TDA7220D datasheet(3/16 Pages) STMICROELECTRONICS

номер детали	TDA7220D

подробное описание детали	VERY LOW VOLTAGE AM-FM RADIO

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ELECTRICAL CHARACTERISTICS (Tamb =25

oC, VS = 3V, unless specified, refer to Test Circuit)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

ID

Drain Current

AM Section

FM Section

11

10

18

15

mA

AM SECTION (fO = 1MHz, fm = 1kHz)

VI

Input Sensitivity

S/N = 26dB, m = 0.3

12

25

µV

S/N

Signal to Noise

VI = 1mV, m = 0.3

40

50

dB

∆VI

AGC Range

∆VOUT = 10dB, m = 0.8

90

dB

VO

Recovered Audio Signal (Pin 9)

VI = 1mV, m = 0.3

40

80

110

mV

d

Distortion

0.6

%

VH

Max. Input Signal Handling Capability

m = 0.8, d < 10%

0.5

V

RI

Input Resistance between Pins 2 and 4

m = 0

7.5

k

Ω

CI

Input Capacitance between Pins 2 and 4

m = 0

18

pF

RO

Output Resistance (Pin 9)

4.5

k

Ω

Tweet 2 IF

VI = 1mV, m = 0.3

40

dB

Tweet 3 IF

VI = 1mV, m = 0.3

55

dB

FM SECTION (fO = 10.7MHz, fm = 1kHz)

VI

Input Limiting Voltage

- 3dB limiting point

33

80

µV

AMR

Amplitude Modulation Rejection

∆f= ± 22.5kHz, VI = 3mV,

m= 3

40

dB

S/N

Signal to Noise

∆f= ± 22.5kHz, VI = 1mV

50

65

dB

d

Distortion

∆f= ± 22.5kHz, VI = 1mV

∆f= ± 75kHz

0.3

1.1

1.5

%

VO

Recovered Audio SIgnal (Pin 9)

∆f= ± 22.5kHz, VI = 1mV

40

70

90

mV

RI

Input Resistance between Pin 16 and Ground

6.5

k

Ω

CI

Input Capacitance between Pin 16 and Ground

14

pF

RO

Output Resistance (Pin 9)

4.5

k

Ω

TDA7220

3/16

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First Components Intern...	TDA7220	409Kb / 9P	DUAL LOW-VOLTAGE POWER AMPLIFIER

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