SPT8100SIT Просмотр технического описания (PDF) - Cadeka Microcircuits LLC.

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Компоненты Описание

производитель

SPT8100SIT

16-BIT, 5 MSPS CMOS A/D CONVERTER

Cadeka Microcircuits LLC. 

PIN ASSIGNMENTS

AGND 1

DGND

2

DVDD

3

DVDD

4

OGND 5

OVDD

6

CLK 7

OE 8

D0 (LSB) 9

D1 10

D2 11

PIN FUNCTIONS

Pin Name Description

AGND Analog ground

DGND Digital ground

33 RDY

DVDD

Digital +5.0 V supply

32 N/C

OGND Ground for digital I/O

31 N/C

OVDD

Digital outputs supply (+3.3/5 V)

30

RS

CLK

Master reference clock

29

AGND

OE

Output enable (active high)

28

AVDD

27

GS2

D0–D15 Data output bits; D0 is LSB; D15 is MSB

OVR

Overrange indicator bit (active high)

26 N/C

N/C

No connect

25 OVR

GS[2:0]

24 D15 (MSB) AVDD

23 D14

RS

RDY

3-bit PGA gain setting control inputs

Analog +5.0 V supply

Resets internal state of chip (active low)

Initialization in progress indicator; RDY goes low

during reset initialization. Chip is ready for normal

operation when RDY is high.

BIASC External bias capacitor connection

BIASR External bias resistor connection

VRT, VRB ADC reference voltage outputs

VCM

Common mode reference voltage output

VIN+, VIN– Analog inputs to the PGA

ORDERING INFORMATION

PART NUMBER

SPT8100SIT

TEMPERATURE RANGE

–40 to +85 °C

PACKAGE

44L LQFP

SPT8100

10

1/9/02

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