Rainbow Electronics AT84AD001B User Manual

Page 3

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3

AT84AD001B

2153C–BDC–04/04

Figure 1. Simplified Block Diagram

DOIRI
DOIRIN

DOIRQ
DOIRQN

CLKI

Clock Buffer

Divider

2 to16

DRDA

I

LVDS

Clock
Buffer

2

CLKIO

DDRB

16

DOAI
DOAIN

8bit

ADC

I

DMUX

1:2

or

1:1

I

LVDS
Buffer

I

DoirI

INPUT

MUX

+

Vini

S/H

16

DOBI
DOBIN

Vinib

8

-

2

Gain control I
Calibration
Gain/offset
ISA I

DMUX control

BIT

Data

Clock

Ldn

3-wire Serial Interface

3WSI

Input switch

Gain control Q
Calibration
Gain/offset
ISA Q & FiSDA

DMUX control

Mode

2

DoirQ

LVDS
buffe r

Q

8bit

ADC

Q

DMUX

1: 2

or

1: 1

Q

+

Vinq

S/H

16

DOAQ
DOAQN

Vinqb

-

8

16

DOBQ
DOBQN

CLKQ

Clock Buffer

Divider
2 to 16

DRDA

Q

LVDS

Clock
Buffer

2

CLKQO

DDRB

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