ADV7181C

Rev. 0 | Page 7 of 20

ANALOG SPECIFICATIONS

unless otherwise noted. Recommended analog input video signal range: 0.5 V to 1.6 V, typically 1 V p-p.

Table 4.

Parameter1, 2

Test Conditions

Min

Typ

Max

Unit

CLAMP CIRCUITRY

External Clamp Capacitor

0.1

μF

Input Impedance; Except Pin 34 (FB)

Clamps switched off

10

MΩ

Input Impedance of Pin 34 (FB)

20

kΩ

CML

1.86

V

ADC Full-Scale Level

CML + 0.8 V

V

ADC Zero-Scale level

CML − 0.8 V

V

ADC Dynamic Range

1.6

V

Clamp Level (When Locked)

CVBS input

CML – 0.292 V

V

SCART RGB input (R, G, B signals)

CML – 0.4 V

V

S-Video input (Y signal)

CML – 0.292 V

V

S-Video input (C signal)

CML – 0 V

V

Component input (Y, Pr, Pb signals)

CML – 0.3 V

V

PC RGB input (R, G, B signals)

CML – 0.3 V

V

Large Clamp Source Current

SDP only

0.75

mA

Large Clamp Sink Current

SDP only

0.9

mA

Fine Clamp Source Current

SDP only

17

μA

Fine Clamp Sink Current

SDP only

17

μA