STV6412BD 查看數據表（PDF） - STMicroelectronics

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STV6412BD

Filtered Video Buffers for STB and DVD Devices

STMicroelectronics 

Electrical characteristics

STV6412B

Table 4: Recommended operating conditions (continued)

Symbol

Parameter

Test conditions

Min Typ Max Unit

VCC12

Slow blanking control supply

voltage

11.2 12 12.8

V

Active mode (all channels ON)

IDD

ICCA

ICCV

Digital supply current

Audio supply current

Total video supply current

(VCC+VCCB1+VCCB2+VCCB3

+VCCB4+VCCB5)

ICC12 12 V supply current

VDD = 5 V

VCCAO = 12 V, no load

VCC = 5 V, no load, LPF OFF

VCC = 5 V, no load, LPF ON

VCC = 5 V, with load, LPF OFF

VCC = 5 V, with load, LPF ON

VCC12 = 12 V

SLB input mode

SLB output mode, no load

6

10

mA

8

15

mA

35

45

50

48

65

62

mA

63

80

0

1

mA

3

4

Standby mode (all channels OFF + LPF OFF)

IDD

ICCAstd

ICCVstd

Digital supply current

Audio supply current

Total video supply current

VDD = 5 V

VCCA0 = 12 V, no load

VCC = 5 V

6

10

mA

3

mA

1

mA

2.3

Audio section characteristics

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

RGA = 600 Ω, RLOUTA = 10 kΩ, RGV = 50 Ω, RLOUTV = 150 Ω, unless otherwise specified.

Table 5.

Symbol

Audio section characteristics

Parameter

Test conditions

Min Typ Max Unit

SVR100 Supply voltage rejection

SVR1K Supply voltage rejection

VINDC Input DC level

VINAC Input signal amplitude

RIN Input resistance

RINmatch Input resistance matching

FRANGE Bandwidth

Flatness Spread of gain in audio band

VRIPPLE = 500 mVRMS at 100 Hz,

Gain= 0 dB,

DECA filter cap = 47 µF

DECA filter cap = 220 µF

VRIPPLE = 500m VRMS at 1 kHz,

Gain = 0 dB

VCCA = 9 V

-3 dB, 0.5 VRMS, RLOAD = 10 kΩ,

Gain = 0 dB

-0.5 VRMS, 20 Hz to 20 kHz,

Gain = 0 dB

60

70

dB

80

70

80

dB

3.2

V

30

50

2 VRMS

kΩ

±2 ±10 %

50

kHz

0.5 dB

10/32

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