HI5714 Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Fabricante

HI5714

8-Bit, 40/60/75/80 MSPS A/D Converter

Renesas Electronics 

HI5714

Functional Block Diagram

VCCA

7

VRT 9

CLK

16

CLOCK DRIVER

VIN 8

VRB 4

ANALOG TO DIGITAL

CONVERTER

LATCHES

OGND 20

6

AGND

17

DGND

OVERFLOW/UNDERFLOW

LATCH

VCCD

OE

18

22

TTL OUTPUTS

12 D7

13 D6

14 D5

15 D4

23 D3

24 D2

1 D1

2 D0

19 VCCO1

21 VCCO2

TTL OUTPUT

11 O/UF

Typical Application Schematic

+5VA

VIN

+- 3.6V

CLOCK

0.1

1.3V

+-

+-

+5VA

0.1

1nF

16 CLK

9 VRT

4 VRB

22 OE

8

VIN

7

0.1F

5

6

VCCA

NC

AGND

HI5714

D0 2

D1 1

D2 24

D3 23

D4 15

D5 14

D6

13

12

D7

O/UF

11

VVVCCCCCCOOD

19

21

18

1nF

0.1F

OGND

NC

DGND

NC

20

3

17

10

+5VD

DGND

AGND

BNC

1nF and 0.1F CAPS are placed

as close to part as possible.

NOTES:

1. Pin 5 should be connected to AGND and pins 3 and 10 to DGND to reduce noise coupling into the device.

2. Analog and Digital supplies should be separated and decoupled to reduce digital noise coupling into the analog supply.

FN3973 Rev 6.00

July 2004

Page 2 of 14

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