TDA3190 查看數據表（PDF） - STMicroelectronics

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TDA3190

COMPLETE TV SOUND CHANNEL

STMicroelectronics 

TDA3190

ELECTRICAL CHARACTERISTICS

(refer to the test circuit, VS = 24V, Tamb = 25oC unless otherwise specified)

Symbol

Parameter

Po Output Power

Vi

Input Limiting Voltage (–3dB)

atPin 1

d

Distortion

B

Frequency Response of audio

amplifier (–3dB)

Vo Recovered Audio Voltage (Pin16)

AMR Ampliture Modulation Rejection

S+N

N

R3

Ri

Ci

SVR

Signal to Noise Ratio

External Feedback Resistance

(betweenPins9and11)

Input Resistance (Pin1)

Input Capacitance (Pin1)

Supply Voltage Rejection

Av DC Volume Control Attenuation

Test Conditions

d = 10%, fm = 400Hz,

fo = 4.5MHz, ∆f = ± 25kHz

Vs = 24V, RL = 16Ω

Vs = 12V, RL = 8Ω

d = 2%, fm = 400Hz,

fo = 4.5MHz, ∆f = ± 25kHz

Vs = 24V, RL = 16Ω

Vs = 12V, RL = 8Ω

fo = 4.5MHz, ∆f = ± 7.5kHz,

fm = 400Hz, P1 = 0

Po = 50mW, fm = 400Hz,

fo = 4.5MHz, ∆f = ± 7.5kHz

Vs = 24V, RL = 16Ω

Vs = 12V, RL = 8Ω

RL = 16Ω, C8 = 120pF

C7 = 470pF, P1 = 22kΩ

Rf = 82Ω

Rf = 47Ω

Vi ≥ 1mV, fo = 4.5MHz

fm = 400Hz, ∆f = ± 7.5kHz, P1 = 0

Vi ≥ 1mV, fo = 4.5MHz,

fm = 400Hz, ∆f = ± 25kHz, m = 0.3

VI ≥ 1mV, Vo = 4V, fo = 4.5MHz,

fm = 400Hz, ∆f = ± 25kHz

Min. Typ. Max. Unit

4.2

W

1.5

W

3.5

W

1.4

W

40

100 µV

0.75

%

1

%

70 to 1200

Hz

70 to 7000

Hz

120

mV

55

dB

50

65

dB

25 kΩ

Vi = 1mV, fo = 4.5MHz

RL = 16Ω, fripple = 120Hz,

P1 = 22kΩ

P1 = 12kΩ

30

kΩ

5

pF

46

dB

90

dB

TYPICAL CIRCUIT

3/9

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