TA7330F データシートの表示（PDF） - Toshiba

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TA7330F

Preamplifier With ALC Circuit For Mini / Micro Cassette Tape Recorder

Toshiba 

TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic

TA7330P,TA7330F

TA7330P / F

Preamplifier With ALC Circuit For Mini / Micro

Cassette Tape Recorder

The TA7330P and TA7330F are preamplifier for 3V or 4.5V

battery use.

It consists of low noise preamplifier and ALC (automatic level

control) circuit, and is suitable for mini / micro cassette tape

recorder applications.

Features

· Low supply voltage use: VCC (opr) = 2~5V (Ta = 25°C)

· Low noise

: Vni = 1µVrms (typ.)

· Wide ALC range

: WALC = 40dB (typ.

· Low quiescent current : ICCQ = 0.75mA (typ.)

(VCC = 3V, Ta = 25°C)

· TA7330F (SO) is standard model of flat package.

Test Circuit / Block Diagram

TA7330P

+

+

VCC=3V

Weight

SIP7−P−2.54A: 0.72g (typ.)

SSOP16−P−225−1.00: 0.14g (typ.)

2

7

INPUT - +

1µF

IN

1

DECOUPLING

+

PRE AMP

~

Rg=600Ω

3 NF

-

GND

4

47PF CNF

VCC

OUT

6

ALC

5

ALC

+-

1µF

OFF

ON ALC SW

10kΩ RNF

+

+

GV = 50dB

D1 510Ω

+

TA7331P

D2

D1, D2: IN60

1

2002-10-30

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