TDA4445A datasheet(3/6 Pages) STMICROELECTRONICS

部件名	TDA4445A

功能描述	SOUND IF AMPLIFIER

Download	6 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

3 / 6 page

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

VCC

Supply Voltage Range

Pin 11

15

V

ICC

Supply Current

Pin 11

70

mA

Vext

External Voltages

Pin 3

Pin 12

12

8

V

Vext

External Voltages

TDA4445A - TDA4445B

TDA4445B

Pin 5

Pin 6

8

V

Ptot

Power Dissipation

1

W

Tj

Junction Temperature

125

°C

Tamb

Ambient Temperature Range

0, + 70

°C

Tstg

Storage Temperature Range

– 25, + 125

°C

THERMAL DATA

Symbol

Parameter

Value

Unit

Rth(j-a)

Junction-ambient Thermal Resistance

70

°C/W

ELECTRICAL OPERATING CHARACTERISTICS

Tamb =+25

°C, VCC = 12V (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

DC CHARACTERISTICS

VCC

Supply Voltage

Pin 13

10

12

15

V

ICC

Supply Current (V3 = 3.5V)

Pin 11

45

60

mA

VO

DC Output Voltage (V3 = 3.5V)

Pin 12

4.25

5

5.75

V

I

Output DC Current (V3 = 3.5VV11 = 12V)

Pin 12

1

2

mA

R

Input Impedance

Pins 1-16

2

k

Ω

C

Input Impedance

Pins 1-16

2

pF

V

Switch off Control Voltage for VTR Mode

Pin 3

9

10

V

I

Switch off Control Current for VTR Mode

Pin 3

150

µA

AGC CHARACTERISTICS

∆GIF

IF AGC Range

62

dB

QUASI PARALLEL SOUND OPERATION

(fPC = 38.9MHz, fSC1 = 33.4MHz, fSC2 = 33.16MHz, PC/SC1 = 13dB, PC/SC2 = 20dB, PC unmodulated)

VI

Min. Input Voltage (5.5MHz - Output Signal - 3dB)

Pins 1-16

70

µVeff

VI

Max. Input Voltage (5.5MHz - Output Signal + 1dB)

Pins 1-16

90

mVeff

VO

Sound-IF-output Voltage (V1-16 = 20mVeff SC unmodulated)

5.5MHz Output Voltage

5.74MHz Output Voltage

Pin 12

200

100

400

300

mVeff

S

+ N

N

Signal to noise ratio measured according to CCIR 468-2

Picture Modulation Ratio 90%, Reference signal (V1-16 = 10mV),

FM-frequency deviation30kHz ¨

Out 1 350mVRMS

fmod = 1kHz, measured at audio-output

Out 2 350mVRMS

Black Screen (1. Channel/2. Channel)

Grid Screen (1. Channel/2. Channel)

Pin 12

55/50

45/40

dB

AM DEMODULATI0N (TDA4445B only) (fSC = 39.2MHz, m = 80%, fmod = 1kHz)

VI

Min. Input Voltage (Audio Output Signal - 3dB)

Pins 1-16

70

µV

eff

VO

Output DC Voltage (V1-16 = 10mVeff unmodulated)

Pin 6

3.3

4.5

V

I

Output DC Current (V6 = 7.5V, V3 = 3.5V)

Pin 6

0.3

1.2

mA

d

Distortion (V1-16 = 10mV, fmod = 1kHz , m = 80%)

Pin 6

2.5

4

%

VO

AF Output Voltage (V1-16 = 100mVeff, m = 50% , fmod = 10kHz)

Pin 6

500

700

900

mVeff

TDA4445A - TDA4445B

3/6

类似零件编号 - TDA4445A

制造商	部件名	数据表	功能描述
TEMIC Semiconductors	TDA4445A	117Kb / 8P	Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
List of Unclassifed Man...	TDA4445A	188Kb / 1P	TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP

More results

类似说明 - TDA4445A

制造商	部件名	数据表	功能描述
Siemens Semiconductor G...	TBA229-5	599Kb / 12P	Dual Sound FM IF Amplifier
Siemens Semiconductor G...	TBA229-2	316Kb / 10P	Dual Sound FM IF Amplifier
NTE Electronics	NTE709	24Kb / 3P	Integrated Circuit TV/FM Sound IF Amplifier
Panasonic Semiconductor	AN5215	155Kb / 2P	TV Sound-IF Amplifier, FM Detector IC
Panasonic Semiconductor	AN5220	114Kb / 3P	TV SOUND IF AMPLIFIER FM DETECTOR CIRCUITS
Siemens Semiconductor G...	TDA2148	268Kb / 10P	AM AMPLIFIER FOR FRENCH SOUND IF STANDARD
Samsung semiconductor	KA2101	175Kb / 5P	LINEAR INTEGRATED CIRCUIT(TV SOUND IF AMPLIFIER)
NTE Electronics	NTE708	26Kb / 3P	Integrated Circuit TV/FM Sound IF Amplifier
Siemens Semiconductor G...	TDA6160-2X	361Kb / 17P	Multistandard Sound IF
List of Unclassifed Man...	ECG704	281Kb / 7P	TV SOUND IF