HI1826 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

比赛名单

HI1826

6-Bit, 140 MSPS, Flash A/D Converter

Intersil 

HI1826

Pin Descriptions (Continued)

TYPICAL

VOLTAGE

PIN NO. SYMBOL I/O

LEVEL

13

INV

I

ECL

EQUIVALENT CIRCUIT

DGND1

R

R

INV

R

-1.3V

DESCRIPTION

Output polarity inversion input for D0

(LSB) to D5 (MSB). (Refer to the output

code table.) When left open, Low levels

maintained.

DVEE

R

20

VIN

I VRT to VRB

VIN

AGND

Analog Input.

18

VRB

I

17

VRBS

23

VRT

I

24

VRTS

3, 4

NC

-

5, 6

14, 21

AVEE

-2V

VRT

R1

Reference Voltage (Bottom) Force;

typical voltage is -2V. Connect to AGND

VRTS

R

COMPARATOR 1

through a ceramic chip capacitor of

0.1µF or more and a tantalum capacitor

of 10µF or more just near the pin.

R

COMPARATOR 2

Reference Voltage (Bottom) Sense.

0V

Reference Voltage (Top) Force; typical

R

COMPARATOR 30

voltage is 0V. When applying a voltage

other than AGND to this pin, connect to

AGND through a ceramic chip capacitor of

R

0.1µF for more and a tantalum capacitor of

COMPARATOR 31

10µF or more just near the pin.

R

COMPARATOR 32

R

COMPARATOR 33

Reference Voltage (Top) Sense.

VRBS

VRB

R

R3 R

COMPARATOR 63

-

Not Connected. Although not connected

in the IC, it is recommended that these

pins should be connected to AGND or

DGND on printed circuit board.

4-4

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