AD7813 - ADI

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

Part No

AD7813
Manufacturer

ADI
ChipWorker Part#

CW430800357
Description

2.7V to 5.5V, 400KSPS 8-/10Bit Sampling ADC
Documentation

Datasheet

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AD7813 Specifications

Attribute	Attribute Value

Part Number	AD7813
Manufacturer	ADI
ChipWorker Part#	CW430800357
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD7813 is a high speed, microprocessor-compatible, 8-/10-bit analog-to-digital converter with a maximum through-put of 400 kSPS. The converter operates off a single +2.7 V to +5.5 V supply and contains a 2.3 ms successive approximation A/D converter, track/hold circuitry, on-chip clock oscillator and 8-bit wide parallel interface. The parallel interface is designed to allow easy interfacing to microprocessors and DSPs. The 10-bit conversion result is read by carrying out two 8-bit read operations. The first read operation accesses the 8 MSBs of the ADC conversion result and the second read accesses the 2 LSBs. Using only address decoding logic the AD7813 is easily mapped into the microprocessor address space.
When used in its power-down mode, the AD7813 automatically powers down at the end of a conversion and powers up at the start of a new conversion. This feature significantly reduces the power consumption of the part at lower throughput rates. The AD7813 can also operate in a high speed mode where the part is not powered down between conversions. In this mode of operation the part is capable of providing 400 kSPS throughput.
The part is available in a small, 16-pin, 0.3" wide, plastic dual-in- line package (DIP), in a 16-pin, 0.15" wide, narrow body small outline IC (SOIC) and in a 16-pin thin shrink small outline package (TSSOP).
### Features and Benefits
8-/10-Bit ADC with 2.3 µs Conversion Time
On-Chip Track and Hold
Operating Supply Range: 2.7 V to 5.5 V
8-Bit Parallel Interface
8-Bit + 2-Bit Read
Analog Input Range: 0 V to VREF
Reference Input Range: 1.2 V to VDD
Specifications at 2.7 V–3.6 V and 5 V ± 10%
Power Performance
\- Normal Operation
10.5 mW, VDD = 3 V
\- Automatic Power-Down
34.6 µW @ 1 kSPS, VDD = 3 V

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