TA8155F
TA8155F is REC / PB System Dual Pre-amplifier manufactured by Toshiba.
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.)
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- 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 = 2.6m A (typ.) Radio mode ............. ICCQ3 = 2.4m A (typ.) Radio- REC mode ...
- Low power dissipation. PB mode : 2.9m W (typ.) MIC- REC mode : 8.9m W (typ.)
- Operating supply voltage range. (Ta = 25°C) VCC (opr) = 0.9~4V VCC (opr) (REC) = 1.8~4V ICCQ4 = 3.0m A (typ.) MIC- REC mode ... ..... ICCQ5 = 4.5m A (typ.) Weigh SSOP24-P-300-1.00: 0.32g (typ.) SSOP24-P-300-0.65A: 0.14g (typ.)
2002-10-30 http://..
TA8155F / FN
Block Diagram
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 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
5 PB
7P
10 P
B NFA
6V
Reference voltage. All amplifier operate on this...