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MFG:ADI D/C:09
Part Number: AD7693
MFG: ADI
D/C: 09
Description: The AD7693 is a 16-bit, successive approximation, analog-todigital converter (ADC) that operates from ...
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AD7693
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DataSheet
General Description
AD7693 General Description
The AD7693 is a 16-bit, successive approximation, analog-todigital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 16-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, it samples the voltage difference between IN+ and IN− pins. The voltages on these pins usually swing in opposite phase between 0 V and REF. The reference voltage, REF, is applied externally and can be set up to the supply voltage. Its power scales linearly with throughput.
The SPI-compatible serial interface also features the ability, using the SDI input, to daisy chain several ADCs on a single, 3-wire bus and provides an optional BUSY indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate supply VIO.
The AD7693 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from −40°C to +85°C.
AD7693 Maximum Ratings
| Parameter | Rating |
| Analog Inputs IN+1, IN−1 REF Supply Voltages VDD, VIO to GND VDD to VIO Digital Inputs to GND Digital Outputs to GND Storage Temperature Range Junction Temperature JA Thermal Impedance JC Thermal Impedance Lead Temperature Range Vapor Phase (60 sec) Infrared (15 sec) |
GND − 0.3 V to VDD + 0.3 V or ±130 mA GND − 0.3 V to VDD + 0.3 V −0.3 V to +7 V ±7 V −0.3 V to VIO + 0.3 V −0.3 V to VIO + 0.3 V −65°C to +150°C 150°C 200°C/W (MSOP-10) 44°C/W (MSOP-10) 215°C 220°C |
AD7693 Features
16-bit resolution with no missing codes
INL: ±0.65 LSB Max (±10 ppm of FSR Max), ±0.25 LSB typ
DNL: ±0.5 LSB Max (±8 ppm of FSR Max), ±0.2 LSB typ
Throughput: 500 kSPS
S/(N + D): 96 dB @ 1 kHz
THD: −120 dB @ 1 kHz
True differential analog input range : ±VREF
0 V to VREF with VREF up to VDD on both inputs
No pipeline delay
Single-supply 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface
Serial interface SPI®/QSPI™/MICROWIRE™/DSP-compatible
Daisy-chain multiple ADCs and BUSY indicator
Power dissipation
4 mW @ 5 V/100 kSPS, 40 µW @ 5 V/1kSPS
Stand-by current: 1 nA
10-lead package: MSOP (MSOP-8 size) and
QFN (LFCSP), 3 mm * 3 mm same space as SOT-23
Pin-for-pin compatible with the 16-Bit AD7688, AD7687 and the 18-Bit AD7690, AD7691
INL: ±0.65 LSB Max (±10 ppm of FSR Max), ±0.25 LSB typ
DNL: ±0.5 LSB Max (±8 ppm of FSR Max), ±0.2 LSB typ
Throughput: 500 kSPS
S/(N + D): 96 dB @ 1 kHz
THD: −120 dB @ 1 kHz
True differential analog input range : ±VREF
0 V to VREF with VREF up to VDD on both inputs
No pipeline delay
Single-supply 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface
Serial interface SPI®/QSPI™/MICROWIRE™/DSP-compatible
Daisy-chain multiple ADCs and BUSY indicator
Power dissipation
4 mW @ 5 V/100 kSPS, 40 µW @ 5 V/1kSPS
Stand-by current: 1 nA
10-lead package: MSOP (MSOP-8 size) and
QFN (LFCSP), 3 mm * 3 mm same space as SOT-23
Pin-for-pin compatible with the 16-Bit AD7688, AD7687 and the 18-Bit AD7690, AD7691
AD7693 Typical Application
Battery-powered equipment
Data acquisitions
Instrumentation
Medical instruments
Data acquisitions
Instrumentation
Medical instruments
AD7693 Connection Diagram
AD7693
PDF/DataSheet Download
- Datasheet: AD7693
- File Size: 1610916 KB
- Manufacturer: AD
- Click here to Download
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