STV6414A データシートの表示（PDF） - STMicroelectronics

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STV6414A

Audio/video switch matrix

STMicroelectronics 

STV6414A

Electrical characteristics

Table 6.

Symbol

CS

Ci

VOUT

VOFF

ROUT

PHD

ASN

eNI

G0

GSTEP

GMATCH1

GMATCH2

THD0

THD6

THD9

VCL

RL

Mute

Audio section characteristics (continued)

Parameter

Test conditions

Min

Channel separation, from audio

inputs

Between L & R of TV outputs

VIN = 0.5 VRMS at 1 kHz on one 80

input, RLOAD = 10 kΩ, Gain = 0 dB 70

Channel isolation from video

inputs

VIN = 1 VPP at 15 kHz on one

point

Output DC level

DC offset change

VCCA = 9 V

Switching between inputs

Output resistance

Phase difference

1 VRMS input on each input

channel at 1 kHz

S/N ratio

VIN = 1 VRMS at 1 kHz input

weighted CCIR 468-4 quasi peak, 75

Gain = 0 dB

Equivalent rms input voltage

noise

BW = 20 Hz, 20 kHz Flat, Gain =

0 dB

0 dB gain

0.5 VRMS, RLOAD = 10 kΩ,

Gain = 0 dB

-0.5

Gain step

-62 dB to +6 dB (see Figure 5)

Gain matching between

different inputs of one output

VIN = 0.5 VRMS at 1 kHz,

Gain = 0 dB

-0.5

Gain matching between

left/right

outputs of one input channel

VIN = 0.5 VRMS at 1 kHz,

Gain = 0 dB

-0.5

Total harmonic distortion

ENC Input at 0 dB

ENC Input at 6 dB

ENC Input at 9 dB

VOUT = 0.5 VRMS at 1 kHz,

LPF at 80 kHz,

Volume level adjustment = 0 dB

Output clipping level

Output load resistance

Mute suppression

THD = 0.2%, 1 kHz

2.1

VIN = 1 VRMS, THD = 0.3%,

Gain = 0 dB

2

VIN = 0.5 VRMS, on one point

-90

Typ Max

90

74

85

VCCA/2

1

±15

60

120

3

85

5

+0.5

2

0.5

0.5

0.01 0.05

0.01 0.05

0.01 0.05

2.3

2.25

Unit

dB

dB

dB

V

mV

W

° deg.

dB

µV

dB

dB

dB

dB

%

VRMS

kΩ

dB

11/32

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