TDA3190 datasheet(3/9 Pages) STMICROELECTRONICS

3 / 9 page

ELECTRICAL CHARACTERISTICS

(refer to the test circuit, VS = 24V, Tamb =25

oC unless otherwise specified)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Output Power

d = 10%, fm = 400Hz,

fo = 4.5MHz,

∆f= ± 25kHz

Vs = 24V, RL =16

Ω

Vs = 12V, RL =8

Ω

4.2

1.5

d = 2%, fm = 400Hz,

fo = 4.5MHz,

∆f= ± 25kHz

Vs = 24V, RL =16

Ω

Vs = 12V, RL =8

Ω

3.5

1.4

Input Limiting Voltage (–3dB)

atPin 1

fo = 4.5MHz,

∆f= ± 7.5kHz,

fm = 400Hz, P1 =0

100

µV

Distortion

Po = 50mW, fm = 400Hz,

fo = 4.5MHz,

∆f= ± 7.5kHz

Vs = 24V, RL =16

Ω

Vs = 12V, RL =8

Ω

0.75

Frequency Response of audio

amplifier (–3dB)

RL =16

Ω,C8 = 120pF

C7 = 470pF, P1 = 22k

Ω

Rf =82

Ω

Rf =47

Ω

70 to 1200

70 to 7000

Recovered Audio Voltage (Pin16)

≥ 1mV, fo = 4.5MHz

fm = 400Hz,

∆f= ± 7.5kHz, P1 =0

120

AMR

Ampliture Modulation Rejection

≥ 1mV, fo = 4.5MHz,

fm = 400Hz,

∆f = ± 25kHz, m = 0.3

+ N

Signal to Noise Ratio

≥ 1mV, Vo = 4V, fo = 4.5MHz,

fm = 400Hz,

∆f= ± 25kHz

External Feedback Resistance

(betweenPins9and11)

Ω

Input Resistance (Pin1)

Vi = 1mV, fo = 4.5MHz

Ω

Input Capacitance (Pin1)

SVR

Supply Voltage Rejection

RL =16

Ω,fripple = 120Hz,

P1 = 22k

Ω

DC Volume Control Attenuation

P1 = 12k

Ω

TYPICAL CIRCUIT

TDA3190

3/9

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