HI3256 datasheet(5/16 Pages) INTERSIL

Part #	HI3256

Description	8-Bit, 120MSPS, Flash A/D Converter

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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5

AVCC Pin Supply Current, AICC

45

-

87

mA

DVCC1 Pin Supply Current, DICC1

20

-

36

mA

DVCC2 Pin Supply Current, DICC2

5

-

15

mA

DGND3 Pin Supply Current, IEE

0.5

-

1.5

mA

Power Consumption, PD*6

400

500

700

mW

POWER SUPPLY IN POWER SAVING MODE (PS = 0)

Total Supply Current, PS ICC + IEE

--

5

mA

AVCC Pin Supply Current, PS AICC

-

1.5

mA

DVCC1 Pin Supply Current, PS DICC1

-

1.5

mA

DVCC2 Pin Supply Current, PS DICC2

-

1.5

mA

DGND3 Pin Supply Current, PS IEE

-

0.5

mA

Power Consumption, PS PD*6

-

25

mW

NOTES:

3. RREF: Resistance value between VRT and VRB.

4.

.

5.

.

6. The unit of measure TPS: Times Per Sample.

7.

.

Electrical Speciﬁcations

DVCC1, 2, AVCC, DGND3 = +5V, DGND1, 2, AGND, DVEE3 = 0V, VRT = 4V, VRB = 2V, TA = 25

oC (Continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

I

REF

V

RT

V

RB

–

R

REF

-----------------------------

=

t

1

f

C

-----

=

P

D

I

CC

I

EE

+

() V

CC

•

V

RT

V

RB

–

()2

V

REF

-------------------------------------

+

=

Timing Diagrams

FIGURE 1. DEMUX MODE TIMING CHART (SELECT1 = VCC)

N - 1

tDS

tPW1

tPW0

N

N + 1

tD02

N + 2

N + 3

N + 2

N

2V

0.8V

N - 2

tDCLK

2V

0.8V

2V

0.8V

N - 1

2V

0.8V

N + 1

tD01

t + 1ns

N + 3

RESET PULSE

CLK OUT

PBD0 TO D7

PAD0 TO D7

CLK

VIN

t

tPWR

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