3W DC/DC-Converter 'ECONOLINE' DIP24 2kV reg 2:1

3W DC/DC-Converter 'ECONOLINE' SMD 4kV reg 2:1

3W DC/DC-Converter 'ECONOLINE' SMD 6kV reg 2:1

3W DC/DC-Converter 'ECONOLINE' DIP24 6kV reg 4:1

5W DC/DC-Converter 'ECONOLINE' DIP24 6kV reg 2:1

5W DC/DC-Converter 'ECONOLINE' DIP24 4kV reg 2:1

5W DC/DC-Converter 'MEDLINE' DIP24 8kV reg 2:1

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The AD5253/AD5254 are quad-channel, I2C®, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjust-ment functions as mechanical potentiometers, trimmers, and variable resistors.
The parts’ versatile programmability allows multiple modes of operation, including read/write access in the RDAC and EEMEM registers, increment/decrement of resistance, resistance changes in ±6 dB scales, wiper setting readback, and extra EEMEM for storing user-defined information, such as memory data for other components, look-up table, or system identification information.
The AD5253/AD5254 allow the host I2C controllers to write any of the 64-/256-step wiper settings in the RDAC registers and store them in the EEMEM. Once the settings are stored, they are restored automatically to the RDAC registers at system power-on; the settings can also be restored dynamically.
The AD5253/AD5254 provide additional increment, decrement, +6 dB step change, and –6 dB step change in synchronous or asynchronous channel update mode. The increment and decrement functions allow stepwise linear adjustments, with a ± 6 dB step change equivalent to doubling or halving the RDAC wiper setting. These functions are useful for steep-slope, nonlinear adjustments, such as white LED brightness and audio volume control.
The AD5253/AD5254 have a patented resistance-tolerance storing function that allows the user to access the EEMEM and obtain the absolute end-to-end resistance values of the RDACs for precision applications.The AD5253/AD5254 are available in TSSOP-20 packages in 1 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ options. All parts are guaranteed to operate over the –40°C to +85°C extended industrial temperature range. 





1The terms nonvolatile memory and EEMEM are used interchangeably.
2The terms digital potentiometer and RDAC are used interchangeably.

The AD7761 is an 8-channel, simultaneous sampling sigma-delta (Σ-Δ) analog-to-digital converter (ADC) with a Σ-Δ modulator and digital filter per channel, enabling synchronized sampling of ac and dc signals.
The AD7761 achieves 97.7 dB dynamic range at a maximum input bandwidth of 110.8 kHz, combined with typical performance of ±1 LSB integral nonlinearity (INL), ±1 LSB offset error, and ±5 LSB gain error.
The AD7761 user can trade off input bandwidth, output data rate, and power dissipation. Select one of three power modes to optimize the device for noise targets and power consumption. The flexibility of the AD7761 allows it to become a reusable platform for low power dc and high performance ac measurement modules.
The AD7761 has three modes: fast mode (256 kSPS maximum, 110.8 kHz input bandwidth, 51.5 mW per channel), median mode (128 kSPS maximum, 55.4 kHz input bandwidth, 27.5 mW per channel) and low power mode (32 kSPS maximum, 13.8 kHz input bandwidth, 9.375 mW per channel).
The AD7761 offers extensive digital filtering capabilities, such as a wideband, low ±0.005 dB pass-band ripple, antialiasing low-pass filter with sharp roll-off, and 105 dB attenuation at the Nyquist frequency.
Frequency domain measurements can use the wideband linear phase filter. This filter has a flat pass band (±0.005 dB ripple) from dc to 102.4 kHz at 256 kSPS, from dc to 51.2 kHz at 128 kSPS, or from dc to 12.8 kHz at 32 kSPS.
The AD7761 also offers sinc response via a sinc5 filter, a low latency path for low bandwidth, and low noise measurements.
The wideband and sinc5 filters can be selected and run on a per channel basis.
Within these filter options, the user can improve the dynamic range by selecting from decimation rates of ×32, ×64, ×128, ×256, ×512, and ×1024. The ability to vary the decimation filtering optimizes noise performance to the required input bandwidth.
Embedded analog functionality on each ADC channel makes design easier, such as a precharge buffer on each analog input that reduces analog input current and a precharge reference buffer per channel reduces input current and glitches on the reference input terminals.
The device operates with a 5 V AVDD1A and AVDD1B supply, a 2.25 V to 5.0 V AVDD2A and AVDD2B supply, and a 2.5 V to 3.3 V or 1.8 V IOVDD supply (see the 1.8 V IOVDD Operation section for specific requirements for operating at 1.8 V IOVDD).
The device requires an external reference; the absolute input reference voltage range is 1 V to AVDD1 − AVSS.
For the purposes of clarity within this data sheet, the AVDD1A and AVDD1B supplies are referred to as AVDD1 and the AVDD2A and AVDD2B supplies are referred to as AVDD2. For the negative supplies, AVSS refers to the AVSS1A, AVSS1B, AVSS2A, AVSS2B, and AVSS pins.
The specified operating temperature range is −40°C to +105°C. The device is housed in a 10 mm × 10 mm 64-lead LQFP package with a 12 mm × 12 mm printed circuit board (PCB) footprint.
Throughout this data sheet, multifunction pins, such as XTAL2/MCLK, are referred to either by the entire pin name or by a single function of the pin, for example MCLK, when only that function is relevant.
Applications

    Data acquisition systems: USB/PXI/Ethernet
    Instrumentation and industrial control loops
    Audio testing and measurement
    Vibration and asset condition monitoring
    3-phase power quality analysis
    Sonar
    High precision medical electroencephalogram (EEG)/ electromyography (EMG)/electrocardiogram (ECG)

The AD7768/AD7768-4 are 8-channel and 4-channel,
simultaneous sampling sigma-delta (Σ-Δ) analog-to-digital
converters (ADCs), respectively, with a Σ-Δ modulator and digital filter per channel, enabling synchronized sampling of ac and dc signals. 
The AD7768/AD7768-4 achieve 108 dB dynamic range at a
maximum input bandwidth of 110.8 kHz, combined with typical
performance of ±2 ppm integral nonlinearity (INL), ±50 μV
offset error, and ±30 ppm gain error. 
The AD7768/AD7768-4 user can trade off input bandwidth,
output data rate, and power dissipation, and select one of three
power modes to optimize for noise targets and power consumption. The flexibility of the AD7768/AD7768-4 allows them to become reusable platforms for low power dc and high
performance ac measurement modules. 
The AD7768/AD7768-4 have three modes: fast mode (256 kSPS maximum, 110.8 kHz input bandwidth, 51.5 mW per channel),
median mode (128 kSPS maximum, 55.4 kHz input bandwidth,
27.5 mW per channel) and low power mode (32 kSPS maximum, 13.8 kHz input bandwidth, 9.375 mW per channel).
The AD7768/AD7768-4 offer extensive digital filtering
capabilities, such as a wideband, low ±0.005 dB pass-band
ripple, antialiasing low-pass filter with sharp roll-off, and 105 dB attenuation at the Nyquist frequency.
Frequency domain measurements can use the wideband linear phase filter. This filter has a flat pass band (±0.005 dB ripple)
from dc to 102.4 kHz at 256 kSPS, from dc to 51.2 kHz at 128 kSPS, or from dc to 12.8 kHz at 32 kSPS. 
The AD7768/AD7768-4 also offer sinc response via a sinc5 filter, a low latency path for low bandwidth, and low noise
measurements. The wideband and sinc5 filters can be selected and run on a per channel basis. 
Within these filter options, the user can improve the dynamic
range by selecting from decimation rates of ×32, ×64, ×128,
×256, ×512, and ×1024. The ability to vary the decimation filtering optimizes noise performance to the required input
bandwidth.
Embedded analog functionality on each ADC channel makes
design easier, such as a precharge buffer on each analog input
that reduces analog input current and a precharge reference buffer per channel reduces input current and glitches on the
reference input terminals.
The device operates with a 5 V AVDD1A and AVDD1B supply,
a 2.25 V to 5.0 V AVDD2A and AVDD2B supply, and a 2.5 V to 3.3 V or 1.8 V IOVDD supply (see the 1.8 V IOVDD Operation
section for specific requirements for operating at 1.8 V IOVDD).
The device requires an external reference; the absolute input
reference voltage range is 1 V to AVDD1 − AVSS.
Applications

    Data acquisition systems: USB/PXI/Ethernet
    Instrumentation and industrial control loops
    Audio test and measurement
    Vibration and asset condition monitoring
    3-phase power quality analysis
    Sonar
    High precision medical electroencephalogram (EEG)/electromyography (EMG)/electrocardiogram (ECG)

The ADAQ7768-1 is a 24-bit precision data acquisition (DAQ) μModule® system that encapsulates signal conditioning, conversion and processing blocks into one system in package (SiP) design that enables rapid development of highly compact, high performance precision DAQ systems.
The ADAQ7768-1 consists of:

A low noise, low bias current, high bandwidth programmable gain instrumentation amplifier (PGIA) that is also capable of signal amplification and signal attenuation while maintaining high input impedance
A fourth order, low noise, linear phase anti-aliasing filter
A low noise, low distortion, high bandwidth ADC driver plus an optional linearity boost buffer
A high-performance medium bandwidth 24-bit sigma delta ADC with programmable digital filter
A low noise, low dropout linear regulator
A reference buffers
Critical passive components required for the signal chain

The ADAQ7768-1 supports fully differential input signal with a maximum range of ±12.6V. It has an input common mode voltage range of ±12V with excellent common mode rejection ratio (CMRR).
The input signal is fully buffered with very low input bias current of 2 pA typical. This allows easy input impedance matching and enables the ADAQ7768-1 to directly interface to sensors with high output impedance.
The seven pin-configurable gain settings offer additional system dynamic range and improved signal chain noise performance with input signals of lower amplitude.
A 4th order low-pass analog filter combined with the user programmable digital filter ensures the signal chain is fully protected against the high frequency noise and out of band tones presented at the input node from aliasing back into the band of interest. The analog low pass filter is carefully designed to achieve high phase linearity and maximum in-band magnitude response flatness. Constructed with Analog Devices’s iPASSIVES™ technology, the resistor network used within the analog low-pass filter possess superior resistance matching in both absolute values and over temperature. As a result, the signal chain performance is maintained with minimum drift over temperature and the ADAQ7768-1 has an excellent device to device phase matching performance.
A high-performance ADC driver amplifier ensures the full settling of the ADC input at the maximum sampling rate. The driver circuit is designed to have minimum additive noise, error and distortion while maintaining stability. The fully differential architecture helps maximizing the signal chain dynamic range.
The analog to digital converter (ADC) inside the ADAQ7768-1 is a high performance, 24-bit precision, single channel Sigma-Delta converter with excellent AC performance and DC precision and the throughput rate of 256 kSPS from a 16.384 MHz MCLK.
An optional linearity boost buffer can further improve the signal chain linearity.
The ADAQ7768-1 is specified with the input reference voltage of 4.096V, but the device can support reference voltages ranging from VDD_ADC down to 1V.
The ADAQ7768-1 has two types of reference buffers. A pre-charge reference buffer to ease the reference input driving requirement or a full reference buffer to provide high impedance reference input. Both buffers are optional and can be turned off through register configuration.
ADAQ7768-1 supports three clock input types: crystal, CMOS or LVDS.
Three types of digital low pass filters are available on the ADAQ7768-1. The wideband filter offers a filter profile similar to an ideal brick wall filter, making it a great fit for doing frequency analysis. The Sinc5 filter offers a low latency path with a smooth step response while maintaining a good level of aliasing rejection. It also supports an output data rate up to 1.024 MHz from a 16.384 MHz MCLK, making the Sinc5 filter ideal for low latency data capturing and time domain analysis. The Sinc3 filter supports a wide decimation ratio and can produce output data rate down to 50 SPS from a 16.384 MHz MCLK. This combined with the simultaneous 50/60Hz rejection post filter makes Sinc3 filter especially useful for precision DC measurement. All the three digital filters on the ADAQ7768-1 are FIR filters with linear phase response. The bandwidth of the filters, which directly corresponds to the bandwidth of the DAQ signal chain are fully programable through register configuration.
The ADAQ7768-1 also supports two device configuration methods. The user has the option to choose to configure the device via register write through its SPI interface, or through a simple hardware pin strapping method to configure the device to operate under a number of pre-defined modes.
A single SPI interface supports both the register access and the sample data readback functions. The ADAQ7768-1 always acts as a SPI slave. Multiple interface modes are supported with a minimum of three IO channels required to communicate with the device.
ADAQ7768-1 also features a suite of internal diagnostic functions that can detect a broad range of errors during operation to help improving the system reliability.
The ADAQ7768-1 device has an operating temperature range of −40°C to +105°C and is available in a 12mm x 6mm, 84-ball BGA package with 0.8mm ball pitch. The ADAQ7768-1 utilizes only 75sq mm of board space, 10 times less than the discrete solution that utilizes 750sq mm.
Applications

Universal input measurement platform
Electrical Test and Measurement
Sound and Vibration, Acoustic and Material Science R&D
Control and Hardware in Loop Verification
Condition monitoring for predictive maintenance
Audio Test

The SSM2380 is a fully integrated, high efficiency, stereo, Class-D audio amplifier. It is designed to maximize performance for mobile phone applications. The application circuit requires a minimum of external components and operates from a single 2.5 V to 5.5 V supply. It is capable of delivering 2 W of continuous output power with <1% THD + N driving a 4 Ω load from a 5.0 V supply.
The SSM2380 features a highly flexible I2C interface with many useful settings. Using the I2C control interface, the gain of the SSM2380 can be selected from 1 dB to 24 dB (plus mute) in 47 steps with no external components. Other features accessed from the I2C interface include independent left/right channel shutdown, variable ultralow EMI emission control mode, auto-matic level control (ALC) for high quality speaker protection, and stereo-to-mono mixing operation.
The SSM2380 features a high efficiency, low noise modulation scheme that requires no external LC output filters. The modulation continues to provide high efficiency even at low output power. The SSM2380 operates with 93% efficiency at 1.4 W into 8 Ω or with 85% efficiency at 2 W into 4 Ω from a 5.0 V supply and has an SNR of >100 dB.
Spread-spectrum pulse density modulation is used to provide lower EMI-radiated emissions compared with other Class-D architectures. An added benefit of spread-spectrum Σ-Δ modu-lation is that no synchronization (SYNC) is needed when using multiple Class-D amplifiers. For applications that require long speaker cables (>10 cm), the SSM2380 includes a user-selectable ultralow EMI emissions mode that eliminates the need for EMI filters at the Class-D outputs.

The SSM2380 has a micropower shutdown mode with a typical
shutdown current of 20 nA. Shutdown is enabled by applying a
logic low to the SD pin or through an optional independent channel soft shutdown via I2C.

The device also includes pop-and-click suppression circuitry. This
suppression circuitry minimizes voltage glitches at the output
during turn-on and turn-off, reducing audible noise on activation
and deactivation.

The fully differential inputs of the SSM2380 provides excellent
rejection of common-mode noise on the input. Input coupling
capacitors can be omitted if the dc input common-mode voltage is
approximately VDD/2.

The SSM2380 is specified over the commercial temperature range
(−40°C to +85°C). It has built-in thermal shutdown and output
short-circuit protection. It is available in a 16-ball, 2 mm × 2 mm
wafer level chip scale package (WLCSP).
Applications

    Mobile phones
    MP3 players
    Portable electronics

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