Test Results of setup of adc drivers and AD7687

All Drivers

ADA4899-1 driving AD7687

Setup Description

The test setup for the ADC and ADC input driver amplifiers consists of the EVAL-AD7687SDZ ADC Evaluation board connected to the EVAL-SDP-CB1Z system demonstration platform (SDP) board. An Audio Precision model AP2722, audio analyzer with a low pass output filter was used to generate the ADC driver input signals. Amplifiers to be tested were installed in the Evaluation board and configured as shown in the individual ADC/amplifier driver schematics. The SDP board was used to capture and send the ADC output data to the PC via the USB connection. Please refer to the individual schematics, and corresponding data graphs for additional information regarding the evaluation board configuration, power supplies, signal frequencies, signal amplitudes and testing details.

Parts Used

Part # Category Description
AD8031 Operational Amplifiers (Op Amps) 2.7 V, 800 µA, 80 MHz Rail-to-Rail I/O Single Amplifier
ADR435 Voltage References Ultralow Noise XFET® 5.0V Voltage Reference w/Current Sink and Source Capability
AD7687 Analog to Digital Converters 16-Bit, 1.5 LSB INL, 250 kSPS PulSAR™ Differential ADC in MSOP/QFN
ADA4899-1 Operational Amplifiers (Op Amps) Unity-Gain Stable, Ultralow Distortion, 1 nV/√Hz Voltage Noise, High Speed Op Amp

Hardware

Part # Category Description
EVAL-AD7687 Evaluation Board Evaluation kit for the AD7687,16-Bit, 1.5 LSB INL, 250 kSPS PulSAR™ Differential ADC in MSOP/QFN
SDP-B Evaluation Board Controller board for use with ADI component evaluation boards

Graph of Results and Table of Calculated Performance Values

Tested at 1 kHz

ADA4627-1 driving AD7687

Setup Description

The test setup for the ADC and ADC input driver amplifiers consists of the EVAL-AD7687SDZ ADC Evaluation board connected to the EVAL-SDP-CB1Z system demonstration platform (SDP) board. An Audio Precision model AP2722, audio analyzer with a low pass output filter was used to generate the ADC driver input signals. Amplifiers to be tested were installed in the Evaluation board and configured as shown in the individual ADC/amplifier driver schematics. The SDP board was used to capture and send the ADC output data to the PC via the USB connection. Please refer to the individual schematics, and corresponding data graphs for additional information regarding the evaluation board configuration, power supplies, signal frequencies, signal amplitudes and testing details.

Parts Used

Part # Category Description
AD8031 Operational Amplifiers (Op Amps) 2.7 V, 800 µA, 80 MHz Rail-to-Rail I/O Single Amplifier
ADR435 Voltage References Ultralow Noise XFET® 5.0V Voltage Reference w/Current Sink and Source Capability
ADA4627-1 High Supply Voltage Amplifiers (>=+12V) 36 V, 19 MHz, Low Noise, Low Bias Current, JFET Op Amp
AD7687 Analog to Digital Converters 16-Bit, 1.5 LSB INL, 250 kSPS PulSAR™ Differential ADC in MSOP/QFN

Hardware

Part # Category Description
EVAL-AD7687 Evaluation Board Evaluation kit for the AD7687,16-Bit, 1.5 LSB INL, 250 kSPS PulSAR™ Differential ADC in MSOP/QFN
SDP-B Evaluation Board Controller board for use with ADI component evaluation boards

Graph of Results and Table of Calculated Performance Values

Tested at 10Hz

ADA4841-1 driving AD7687

Setup Description

The test setup for the ADC and ADC input driver amplifiers consists of the EVAL-AD7687SDZ ADC Evaluation board connected to the EVAL-SDP-CB1Z system demonstration platform (SDP) board. An Audio Precision model AP2722, audio analyzer with a low pass output filter was used to generate the ADC driver input signals. Amplifiers to be tested were installed in the Evaluation board and configured as shown in the individual ADC/amplifier driver schematics. The SDP board was used to capture and send the ADC output data to the PC via the USB connection. Please refer to the individual schematics, and corresponding data graphs for additional information regarding the evaluation board configuration, power supplies, signal frequencies, signal amplitudes and testing details.

Parts Used

Part # Category Description
AD8031 Operational Amplifiers (Op Amps) 2.7 V, 800 µA, 80 MHz Rail-to-Rail I/O Single Amplifier
ADR435 Voltage References Ultralow Noise XFET® 5.0V Voltage Reference w/Current Sink and Source Capability
AD7687 Analog to Digital Converters 16-Bit, 1.5 LSB INL, 250 kSPS PulSAR™ Differential ADC in MSOP/QFN
ADA4841-1 Operational Amplifiers (Op Amps) Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier

Hardware

Part # Category Description
EVAL-AD7687 Evaluation Board Evaluation kit for the AD7687,16-Bit, 1.5 LSB INL, 250 kSPS PulSAR™ Differential ADC in MSOP/QFN
SDP-B Evaluation Board Controller board for use with ADI component evaluation boards

Graph of Results and Table of Calculated Performance Values

Tested at 1 kHz
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