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TA8155FN

Toshiba Semiconductor

REC / PB System Dual Pre-amplifier - Toshiba Semiconductor

TA8155FN
TA8155FN

PDF File TA8155FN PDF File


Description
TA8155F / FN TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA8155F,TA8155FN REC / PB System Dual Pre−amplifier (1.
5 / 3V USE) The TA8155F and TA8155FN are REC / PB system dual pre amplifier ICs, which are developed for low voltage operation (1.
5 / 3V use).
These are especially suitable for a stereo headphone cassette player.
Features · Built−in dual playback amplifiers.
Input coupling condenser−less.
Built−in capacitor for buzz noise.
· Built−in dual buffer amplifiers.
For radio signal inut.
Monitor for REC mode.
· B Built−in dual microphone amplifiers.
uilt−in an ALC circuit for MIC−REC mode.
Attack time.
: 0.
1s (typ.
) Recovery time.
: 3.
5s (typ.
) · · · Built−in dual recording amplifiers.
Single−end output type.
Built−in a power switch.
Low quiescent current.
(VCC = 1.
2V, Ta = 25°C) PB mode .
.
.
.
.
ICCQ2 = 2.
6mA (typ.
) Radio mode .
.
.
ICCQ3 = 2.
4mA (typ.
) Radio−REC mode .
.
.
· Low power dissipation.
PB mode : 2.
9mW (typ.
) MIC−REC mode : 8.
9mW (typ.
) · Operating supply voltage range.
(Ta = 25°C) VCC (opr) = 0.
9~4V VCC (opr) (REC) = 1.
8~4V ICCQ4 = 3.
0mA (typ.
) MIC−REC mode .
.
.
ICCQ5 = 4.
5mA (typ.
) Weigh SSOP24-P-300-1.
00: 0.
32g (typ.
) SSOP24-P-300-0.
65A: 0.
14g (typ.
) 1 2002-10-30 http://www.
Datasheet4U.
com TA8155F / FN Block Diagram 2 2002-10-30 TA8155F / FN Terminal Explanation Terminal Voltage : Typical Terminal Voltage at no Signal with Test Circuit.
(V CC = 1.
2V, VCC (REC) = 2.
4V, Ta = 25°C) Terminal No.
Nam e This terminal voltage supplies output stage of recording amplifier with power source.
Function Internal Circuit Terminal Voltage (V) 1V CC(REC) 2.
4 2 3 REC OUTB Output of recording amplifier.
REC OUTA PB INB Input of playback amplifier.
0.
85 INA B NFB NF of playback amplifier.
0.
85 1.
15 4 5 PB 7P 10 P B NFA 6V REF Reference voltage.
All amplifier operate on this voltage.
0.
85 8P B OUTB Output of playback amplifier and buffer amplifier.
0.
55 9P B OUTA 11 RE C SW REC / PB switch.
VCC: REC...


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