AD7651 Analog Devices, AD7651 Datasheet - Page 10

• Manufacturer Part Number: AD7651
• Manufacturer: Analog Devices

Specifications of AD7651

• Resolution (bits): 16bit
• # Chan: 1
• Sample Rate: 100kSPS
• Interface: Par,Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: Uni (Vref),Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: CSP,QFP

AD7651
Pin No.
43
45
46
47
48
1
AI = Analog Input; AI/O = Bidirectional Analog; AO = Analog Output; DI = Digital Input; DI/O = Bidirectional Digital; DO = Digital Output; P = Power.
Mnemonic
IN
TEMP
REFBUFIN
PDREF
PDBUF
Type
AI
AO
AI/O
DI
DI
1
This pin allows the choice of internal or external voltage references. When LOW, the on-chip
Description
Primary Analog Input with a Range of 0 V to 2.5 V.
Temperature Sensor Voltage Output.
Reference Input Voltage. The reference output and the reference buffer input.
reference is turned on. When HIGH, the internal reference is switched off and an external reference
must be used.
This pin allows the choice of buffering an internal or external reference with the internal buffer.
When LOW, the buffer is selected. When HIGH, the buffer is switched off.
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