HI5675(1999) 查看數據表（PDF） - Intersil

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HI5675
(Rev.:1999)

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

Intersil 

HI5675

Electrical Specifications fC = 20MSPS, AVDD = DVDD = 5V, VRB = 0.5V, VRT = 2.5V, TA = 25oC (Note 1) (Continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

REFERENCE INPUT

Reference Pin Current, IREF

Reference Resistance (VRT to VRB), RREF

INTERNAL VOLTAGE REFERENCE

4.5

6.6

8.7

230

300

450

Self Bias Mode 1

VRB

VRT - VRB

Self Bias Mode 2, VRT

DIGITAL INPUTS

Short VRB and VRBS, Short VRT and VRTS

VRB = AGND, Short VRT and VRTS

0.60

0.64

0.68

1.96

2.09

2.21

2.25

2.39

2.53

Digital Input Voltage

VIH

VIL

Digital Input Current

IIH

IIL

DIGITAL OUTPUTS

VDD = Max

VIH = VDD

VIL = 0V

4.0

-

-

-

-

1.0

-

-

5

-

-

5

Digital Output Current

IOH

IOL

Digital Output Current

IOZH

IOZL

TIMING CHARACTERISTICS

OE = VSS, VDD = Min

OE = VDD, VDD = Max

VOH = VDD -0.5V

-1.1

-

-

VOL = 0.4V

3.7

-

-

VOH = VDD

VOL = 0V

-

0.01

16

-

0.01

16

Output Data Delay, tDL

POWER SUPPLY CHARACTERISTIC

-

18

30

Supply Current, IDD

fC = 20MSPS, NTSC Ramp Wave Input

NOTE:

2. Electrical specifications guaranteed only under the stated operating conditions.

-

12

17

Timing Diagrams

UNIT

mA

Ω

V

V

V

V

V

µA

µA

mA

mA

µA

µA

ns

mA

tPW1 tPW0

CLOCK

ANALOG INPUT

DATA OUTPUT

N

N-3

N+1

N-2

N-2

N-1

N+3

N

N+4

N+1

: POINT FOR ANALOG SIGNAL SAMPLING

tD = 18ns

FIGURE 1.

5

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