STV6414AD datasheet(11/32 Pages) STMICROELECTRONICS

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STV6414A

Electrical characteristics

11/32

Channel separation, from audio

inputs

Between L & R of TV outputs

VIN =0.5 VRMS at 1 kHz on one

input, RLOAD = 10 kΩ, Gain = 0 dB

Channel isolation from video

inputs

VIN = 1 VPP at 15 kHz on one

point

VOUT

Output DC level

VCCA = 9 V

VCCA/2

VOFF

DC offset change

Switching between inputs

±15

ROUT

Output resistance

120

PHD

Phase difference

1 VRMS input on each input

channel at 1 kHz

° deg.

ASN

S/N ratio

VIN = 1 VRMS at 1 kHz input

weighted CCIR 468-4 quasi peak,

Gain = 0 dB

eNI

Equivalent rms input voltage

noise

BW = 20 Hz, 20 kHz Flat, Gain =

0dB

5µV

0 dB gain

0.5 VRMS, RLOAD = 10 kΩ,

Gain = 0 dB

-0.5

+0.5

GSTEP

Gain step

-62 dB to +6 dB (see Figure 5)2

GMATCH1

Gain matching between

different inputs of one output

VIN = 0.5 VRMS at 1 kHz,

Gain = 0 dB

-0.5

0.5

GMATCH2

Gain matching between

left/right

outputs of one input channel

VIN = 0.5 VRMS at 1 kHz,

Gain = 0 dB

-0.5

0.5

THD0

THD6

THD9

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

0.01

0.05

VCL

Output clipping level

THD = 0.2%, 1 kHz

2.1

2.3

VRMS

Output load resistance

VIN = 1 VRMS, THD = 0.3%,

Gain = 0 dB

22.25

Mute

Mute suppression

VIN = 0.5 VRMS, on one point

-90

Table 6.

Audio section characteristics (continued)

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

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