HI1175JCP Ver la hoja de datos (PDF) - Intersil

Número de pieza

componentes Descripción

Fabricante

HI1175JCP

8-Bit, 20 MSPS, Flash A/D Converter

Intersil 

Functional Block Diagram

HI1175

OE 1

DVSS 2

D0 (LSB) 3

D1 4

D2 5

D3 6

D4 7

D5 8

D6 9

D7 (MSB) 10

DVDD 11

CLK 12

LOWER

DATA

LATCHES

UPPER

DATA

LATCHES

LOWER

ENCODER

(4-BIT)

LOWER

ENCODER

(4-BIT)

UPPER

ENCODER

(4-BIT)

CLOCK GENERATOR

REFERENCE VOLTAGE

LOWER

COMPARATORS

WITH S/H (4-BIT)

LOWER

COMPARATORS

WITH S/H (4-BIT)

UPPER

COMPARATORS

WITH S/H (4-BIT)

24 DVSS

23 VRB

22 VRBS

0.6V (Typ)

21 AVSS

20 AVSS

19 VIN

18 AVDD

17 VRT

16 VRTS

2.6V (Typ)

15 AVDD

14 AVDD

13 DVDD

Typical Application Schematic

HC04

+5V

R11

R12

ICL8069

CA158A

R4

+

- R13

R3

R5

+

-

CLOCK IN

+5V

C9 +

4.7µF

C10

13

12

0.1µF

14

11

15

10

CA158A

16

9

17

8

C12

C8

HA2544

0.1µF

18

7

VIN

+

-

†

HI1175

19

6

R1

R2

20

5

21

4

CLK

D7 (MSB)

D6

D5

D4

D3

D2

D1

C11

0.1µF

22

23

C7 +

24

4.7µF

3

D0 (LSB)

2

1

† : Ceramic Chip Capacitor 0.1µF

+5V

: Analog GND

: Digital GND

NOTE: It is necessary that AVDD and DVDD pins be driven from the same supply. The gain of analog input signal can be changed by adjusting

the ratio of R2 to R1.

4-1070

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