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 : ±VREF0 V to VREF with VREF u...

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SeekIC No. : 004270692 Detail

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 @ ...

floor Price/Ceiling Price

Part Number:
AD7693
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



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





Application

Battery-powered equipment
Data acquisitions
Instrumentation
Medical instruments





Pinout

AD7693 Diagram

  Connection Diagram




Specifications

Resolution (Bits) 16bit
T-Put Rate 500kSPS
# Chan 1
Supply V Single(+5)
Pwr Diss 21.5mW
Interface Ser,SPI
Ain Range (2Vref) p-p,Bip (Vref) x 2
SNR (dB) 96dB
Pkg Type CSP,SOP


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





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.






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