AD7823 - ADI

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

Part No

AD7823
Manufacturer

ADI
ChipWorker Part#

CW480098433
Description

2.7V to 5.5V, 4.5us, 8Bit ADC in 8-Lead microSOIC/DIP
Documentation

Datasheet

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AD7823 Specifications

Attribute	Attribute Value

Part Number	AD7823
Manufacturer	ADI
ChipWorker Part#	CW480098433
Documentation	Datasheet
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Product Lifecycle Status	Unknown

Product Description

Product Details
The AD7823 is a high speed, low power, 8-bit A/D converter that operates from a single 2.7 V to 5.5 V supply. The part contains a 4.5 µs successive approximation A/D converter, inherent track-and-hold functionality (with a pseudo differential input) and a high speed serial interface that interfaces to most microcontrollers. AD7823 is fully specified over a temperature range of -40°C to +125°C.
By using a technique that samples the state of the CONVST (convert start) signal at the end of a conversion, the AD7823 may be used in an automatic power-down mode. When used in this mode, the AD7823 powers down automatically at the end of a conversion and "wakes up" at the start of a new conversion. This feature significantly reduces the power consumption of the part at lower throughput rates. The AD7823 can also operate in a high speed mode where the part is not powered down between conversions. In this high speed mode of operation, the conversion time of the AD7823 is 4.5 µs. The maximum throughput rate is dependent on the speed of the serial interface of the microcontroller.
The part is available in a small, 8-pin 0.3" wide, plastic dual-in-line package (mini-DIP); in an 8-lead, small outline IC (SOIC); and in an 8-lead microSOIC package.
### Features and Benefits
8-Bit ADC with 4 µs Conversion Time
Small Footprint 8-Lead microSOIC Package
Specified Over a –40°C to +125°C Temperature Range
Inherent Track-and-Hold Functionality
Operating Supply Range: 2.7 V to 5.5 V
Specifications at 2.7 V to 5.5 V and
5 V ± 10%
Microcontroller Compatible Serial Interface
Optional Automatic Power-Down
Low Power Operation:
570 µW at 10 kSPS Throughput Rate
2.9 mW at 50 kSPS Throughput Rate
Analog Input Range: 0 V to VREF
Reference Input Range: 0 V to VDD
"Drop In" Upgrade to 10 Bits Available (AD7810)

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