XRD87L94AIP Просмотр технического описания (PDF) - Exar Corporation

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XRD87L94AIP

CMOS, 1 MSPS, 12-Bit Analog-to-Digital Converter with Parallel Logic Interface Port

Exar Corporation 

CLK

Aperture

Analog

Input

VIN

DATA

(DB0-DB11)

1/FS

tPWH tPWL

N+1

N+2

XRD87L94

tAP

N

Pipeline Delay

N+1

N+2

Sampling

Points

N–3

N–2

tDV

N–1

Figure 1. Timing Diagram with OE = 0

tDV = tAP + tDEN

tDI = tAP + tDHz

N+3

N

tDI

CLK

OE

DATA

(DB0-DB11)

tDHZ

tDEN

High

Impedance

Figure 2. 3-State Timing Diagram

OE

Delay

CLK

Aperture

Data

12

Tri-State

Buffer

Data Out

12

12

Figure 3. Block Diagram of the XRD87L94 Output

Rev. 1.00

5

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