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AD7709

Features: 16-BIT SINGLE CHANNEL SIGMA DELTA-ADCFactory Calibrated (field calibration not required)Output settles in one conversion cycle (single conversion mode)Programmable Gain Front End16-bit No Missing Codes13-bit Pk-Pk Resolution @ 20Hz, 20mV Range16-bit Pk-PK Resolution @ 20Hz, 2.56V RangeAp...

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SeekIC No. : 004270711 Detail

AD7709: Features: 16-BIT SINGLE CHANNEL SIGMA DELTA-ADCFactory Calibrated (field calibration not required)Output settles in one conversion cycle (single conversion mode)Programmable Gain Front End16-bit No ...

AD7709 Data Sheet

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Part Number:
AD7709
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: 2024/4/23

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Product Details

Description



Features:

16-BIT SINGLE CHANNEL SIGMA DELTA-ADC
Factory Calibrated (field calibration not required)
Output settles in one conversion cycle (single conversion mode)
Programmable Gain Front End
16-bit No Missing Codes
13-bit Pk-Pk Resolution @ 20Hz, 20mV Range
16-bit Pk-PK Resolution @ 20Hz, 2.56V Range




Application

Industrial Process Control
Instrumentation
Pressure Transducers
Portable Instrumentation




Pinout

AD7709 Diagram

Connection Diagram




Specifications

Resolution (Bits) 16bit
T-Put Rate 105SPS
# Chan 4
Supply V Single(+3),Single(+3.3),Single(+5)
Pwr Diss (max) 8.8mW
Interface Ser,SPI
Ain Range (2Vref/PGA Gain) p-p
SNR (dB) 126dB
Pkg Type SOP


(TA = +25°C unless otherwise noted)
VDD to GND................................................................................-0.3V to +7V
Analog Input Voltage to GND...........................................-0.3V to VDD +0.3V
Reference Input Voltage to GND......................................-0.3V to VDD +0.3V
AIN/REFIN Current (Indefinite)...............................................................30mA
Digital Input Voltage to GND.............................................-0.3V to VDD +0.3V
Digital Output Voltage to GND..........................................-0.3V to VDD +0.3V
PWRGND to GND.......................................................................-0.3V to +0.3V
Operating Temperature Range................................. .............-40°C to 85°C
Storage Temperature Range..................... .........................-65°C to 150°C
Junction Temperature......................... ..............................................+150°C
PACKAGE Power Dissipation............. ... ..............................................TBD mW
JA Thermal Impedance......................................................................90°C/W
Lead Temperature, Soldering
Vapor Phase (60sec).......................... .................................................+215°C
Infrared (15 sec)................................... ..............................................+220°C




Description

The AD7709 is a complete analog front-end for low frequency measurement applications. The AD7709 contains a 16-bit sigma delta ADC with PGA and can be configured as 2 fully-differential input channels or 4 pseudo-differential input channels. Inputs signal ranges from 20mV to 2.56V can be directly converted using the AD7709.

These signals can be converted directly from a transducer without the need for signal conditioning. Other on-chip AD7709 features include three software configurable current sources, switchable reference inputs, low side power switches and a 4-bit digital I/O port The device operates from a 32kHz crystal with an on-board PLL generating the required internal operating frequency.

The output data rate from the part is software programmable. The pk-pk resolution from the part varies with the programmed gain and output data rate.The part operates from a single +3V or +5V supply. When operating from +3V supplies, the power dissipation for the part is XmW. The AD7709 are housed in a 24-pin SOIC and TSSOP packages.






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