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TA2002F

Toshiba
Part Number TA2002F
Manufacturer Toshiba
Description Stereo Headphone Amplifier
Published May 26, 2015
Detailed Description TA2002F / FN TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2002F,TA2002FN Stereo Headphone Amplifier (3...
Datasheet PDF File TA2002F PDF File

TA2002F
TA2002F

Overview
TA2002F / FN TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2002F,TA2002FN Stereo Headphone Amplifier (3V USE) The TA2002F, TA2002FN are developed for play−back stereo headphone equipments (3V use).
They are built in dual auto−reverse preamplifier, dual OCL power amplifier, and a ripple filter.
Features Power amplifier stage · OCL (output condenser−less) · Low noise: Vno = 22µVrms (typ.
) · Excellent ripple rejection ratio: RR = 62dB (typ.
) · Voltage gain: GV = 27dB (typ.
) · Built−in a power amplifier mute · Built−in input capacitor for reducing buzz noise Preamplifier stage · Auto−reverse with F / R control switch · Input coupling condenser−less · Low noise: Vni = 1.
3µVrms (typ.
) · Built−in a preamplifier mute · Built−in input capacitor for reducing buzz noise Total · Built−in a ripple filter Weight SSOP24−P−300−1.
00 SSOP24−P−300−0.
65A · Built−in a power switch · Low quiescent current : ICCQ = 11.
5mA (typ.
) (VCC = 3V, Ta = 25°C) · Operating supply voltage range: VCC (opr) = 1.
8~4.
5V (Ta = 25°C) : 0.
32 g (typ.
) : 0.
14 g (typ.
) 1 2002-10-30 TA2002F / FN Block Dirgram VCC −− − + 1 PRE GND INA−F 2 3 + −INA−R NFA4 5 PRE OUTA 6 PW INA −+ 7 RF IN OFF 8 ON PW SW ON 9 OFF PW F MUTE 10 R F/R SW 11 OUTA 12 PW GND PREA PWA SW PREB PWB Ripple Filter PWC 24 VREF 23 INB−F 2222 INB−R − + 21 NFB 20 PRE OUTB 19 PW INB ON 18 PRE SW OFF 17 RF OUT + 16 BASE 15 VCC 14 OUTB 13 OUTC + RF OUT VCC RL RL 2 2002-10-30 TA2002F / FN Terminal Explanation Terminal Voltage: Typical Terminal Voltage at no Signal with Test Circuit (VCC = 3V, Ta = 25°C) Terminal No.
Name 1 PRE GND 2 INA-F 3 INA-R 22 INB-R 23 INB-F 4 NFA 21 NFB Function The GND, except the power drive stage.
Input of preamplifier.
F / R SW OPEN: (2) / (23) pin "L" : (3) / (22) pin NF of preamplifier.
Internal Circuit ― VREF 17 4 3 500Ω 2 500Ω Terminal Voltage (V) 0 1.
3 1.
3 5 PRE OUTA Output of preamplifier.
20 PRE OUTB 6 PW INA 19 PW INB 11 OUTA 14 OUTB Inp...


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