AD7782 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7782
Manufacturer

ADI
ChipWorker Part#

CW543105534
Description

2Channel, Read-Only, Pin-Configured, 24Bit Sigma-Delta ADC
Documentation

Datasheet

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AD7782 Specifications

Attribute	Attribute Value

Part Number	AD7782
Manufacturer	ADI
ChipWorker Part#	CW543105534
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD7782 and AD7783 are 24-bit low cost, low power Sigma Delta ADCs intended for dc and low frequency ac measurement applications. They are Read-only ADCs and have no writeable registers. This leads to a very simple interface between ADC and controller. Since their power consumption is low, the devices can be loop powered, battery powered or locally powered. The two-setting on-chip PGA can accommodate either a low-level or high-level analog input with no external signal conditioning hardware. Operating options are pin-programmable, not software programmable.
### Features and Benefits
2-Channel, 24-Bit Σ-Δ ADC
Pin Configurable (No Programmable Registers)
Pin Selectable Input Channels
Pin Programmable Input Ranges (±2.56 V or ±160 mV)
Fixed 19.79 Hz Update Rate
Simultaneous 50 Hz and 60 Hz Rejection
24-Bit No Missing Codes
18.5-Bit p-p Resolution (±2.56 V Range)
On-Chip Functions Rail-Rail Input Buffer and PGA
16.5-Bit p-p Resolution (±160 mV Range)
Interface
Master or Slave Mode of Operation
Slave Mode:
3-Wire Serial
SPI®, QSPI™, MICROWIRE™, and DSP-Compatible
Schmitt Trigger on SCLK
Power
Specified for Single 3 V and 5 V Operation
Normal: 1.3 mA @ 3 V
Power-Down: 9 µA

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