ELECTRICAL CHARACTERISTICS

STV6432

8/15

2.6

Chroma Section

Table 7: Supply Data

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

DC Input Level

3V

Input Resistance

30

50

k

Ω

Input Capacitance

2

pF

Max Input Signal

Gain = 6 dB

1.5

DYN

Dynamic Output Signal

Gain = 6 dB

3

DC Output Voltage

2.2

V

CBW

Chroma Bandwidth

8MHz

Chroma Crosstalk Output

Crosstalk Isolation between Output

Channels

YIN_ENC

50

dB

Chroma Crosstalk Output

Crosstalk Isolation between Output

Channels when CVBSIN_ENC is

driven

CVBSIN_ENC input;

Only one CVBS output loaded at

150

Ω; Gain = 6 dB

50

dB

Chroma Crosstalk Output

Crosstalk Isolation between Output

Channels when CVBSIN_ENC is

driven

CVBSIN_ENC input;

All 4 CVBS outputs loaded at

150

Ω; Gain = 6 dB

44

dB

Output Resistance

5

10

Ω

5 dB Gain on Chroma Channels

Pin 7 to GND or Logic “0”

4.5

5

5.5

dB

6 dB Gain on Chroma Channels

1

1. When Pin 7 is left open, its voltage is determined by an internal voltage divider consisting of 42 k

Ω to V

CC

(5 V) and 18 k

Ω to Ground

5.5

6

6.5

dB

7 dB Gain on Chroma Channels

6.5

7

7.5

dB

8 dB Gain on Chroma Channels

7.5

8

8.5

dB

CToYdel

Chroma to Luma Delay, Source Y/C

20

ns