AT1175

Preliminary Product Information

8-Bit 20MSPS CMOS VIDEO A/D CONVERTER

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

3

Supply Voltages

Input Voltages

ESD Susceptibility ………………………………±1,500V

Temperature

Electrical Specifications

PARAMETERS

TEST CONDICTION

MIN

TYP

MAX UNITS

Resolution

8

Bits

Integral Nonlinearity

Differential Nonlinearity

Zero Scale Error

Full Scale Error

No Missing Codes

fs=20 MSPS,

V

EZS

EFS

±

0.8

±

0.5

-10

-35

-60

0

45

60

Guaranteed

LSB

LSB

mV

mV

Analog Input

Input Voltage Range

Input Bias Current

Input Resistance

Input Capacitance

V

IN

V

RB

V

RT

±

5.0

100

200

15

V

μ

A

kΩ

pF

Reference Input

Reference Ladder Resistance

Reference Current

Reference Input Voltage

Reference Differential

Internal Bias1

Internal Bias2 (V

V

V

V

RB

V

RT

V

V

RB

V

Short V

Short V

Short V

Short V

200

270

340

5.2

7.5

10.5

0.0

0.6

3.0

2.0

2.6

V

DD

1.0

-

5.0

0.55

0.60

0.65

1.9

2.0

2.1

2.25

2.39

2.53

Ω

mA

V

V

V

V

V

V

Dynamic Performance

Signal-To-Noise Ratio

fin=1.667MHz

fin=3.85MHz

Spurious Free Dynamic Range

fin=1.667MHz

fin=3.85MHz

Differential Phase

Differential Gain

fs=14.29 MSPS

fs=14.29 MSPS

NTSC 40 IRE Mod Ramp

fs=14.3 MSPS

44

46

43

43

48

41

42

0.7

1.0

dB

dB

dB

dB

Degrees

%

Digital Inputs

Voltage, Logic High

4.0

V

DD

V