STV6412B datasheet(12/32 Pages) STMICROELECTRONICS

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Electrical characteristics

STV6412B

12/32

Figure 5.

Volume control characteristics

2.4

Video section characteristics

TAMB =25°C, VCCAO = 12 V, VCC = 5 V, VCC12 = 12 V, VDD = 5 V

Step number

-36

-62

± 0.5 dB

+ 2 dB

- 0.5 dB

± 0.5 dB

Table 6.

Video section characteristics

Symbol

Parameter

Test conditions

Min

Typ

Max

Units

VDCIN

DC input level

Bottom sync pulse

ICLAMP

Clamping current

at VDCIN -400 mV

ILEAK

Input leakage current

VIN = VDCIN +1 V

µA

CIN

Input capacitance

VIN

Max input signal

VCC = 5 V

1.5

VPP

DYN

Dynamic output signal

VCC = 5 V

VPP

Bandwidth at -3 dB without LPF

Y/CVBS

RGB

Y/C mixer (on VOUT-RF)

VIN = 1 VPP

VIN = 1 VPP, VINC = muted

MHz

Flatness

Spread of gain in video band

(15 kHz to 5 MHz)

Y/CVBS

RGB

Y/C Mixer (on VOUT-RF)

VIN = 1 VPP

VIN = 1 VPP, VINC = muted

±0.5

±1.5

BW LPF

Low pass filter bandwidth at -3 dB

VIN = 1 VPP, CL = 10pF

7.5

MHz

ATT

Low pass filter attenuation

27 MHz

-47

-36

CTi

Crosstalk isolation between Input

channel

VIN = 1 VPP at

f = 4.43 MHz, on one point

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