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TA2016FN

Toshiba Semiconductor
Part Number TA2016FN
Manufacturer Toshiba Semiconductor
Description 1.5V BUFFER AMPLIFIER
Published Oct 5, 2005
Detailed Description TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2016FN 1.5V Buffer Amplifier TA2016FN The TA2016FN is d...
Datasheet PDF File TA2016FN PDF File

TA2016FN
TA2016FN


Overview
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2016FN 1.
5V Buffer Amplifier TA2016FN The TA2016FN is dual buffer amplifier IC, which is developed for 1.
5V headphone stereo.
Features · Output impedance can be changed by mode switch.
H mode .
230Ω (typ.
) MID mode .
.
.
.
750Ω (typ.
) OFF mode .
.
.
.
high impedance · Built−in two switching transistors, which are synchronized with mode switch.
· Low quiescent current (VCC = 1.
2V, Vin = 0, Ta = 25°C) H mode .
ICCQ1 = 2mA (typ.
) MID mode .
.
.
.
ICCQ2 = 1mA (typ.
) OFF mode .
.
.
.
ICCQ3 = 0.
8mA (typ.
) · Operating supply voltage range (Ta = 25°C) VCC (opr) = 0.
95~2.
2V Marking Weight: 0.
04g (typ.
) 1 2002-10-30 Block Diagram TA2016FN Operation Mode Characteristic Mode SW H MID OFF Impedance [Ω] (Typ.
) 230 750 High impedance SW Tr OFF ON ON Terminal Explanation Terminal Voltage: Typical Terminal Voltage with Test Circuit at no Signal.
(VCC = 1.
2V, Ta = 25°C) Terminal No.
Name Function Internal Circuit 1 EQA Equalizer switch MID / OFF mode: EQ ON 10 EQB H mode : EQ OFF 2 INA Input of buffer amplifier 9 INB 3 OUTA Output of buffer amplifier 8 OUTB Terminal Voltage (V) — 0.
75 0.
75 2 2002-10-30 Terminal No.
Name Function 4 VREF Reference voltage 5 GND 6 VCC — — Mode switch 7 Mode SW VCC : H mode Open : MID mode GND : Off mode Internal Circuit — — TA2016FN Terminal Voltage (V) 0.
75 0 1.
2 — Application Note (1) VREF VREF circuit should be stabilized, because this IC operate on VREF voltage.
(2) Input stage The resistor between input terminal (pin(2), (9)) and VREF terminal (pin(4)) should be 33kΩ or less.
In case that this resistance is larger than 33kΩ, this IC doesn’t operate normally.
Because, voltage drop at this resistor is increased and constant current source of input stage is saturated.
(3) MODE SW In case of MID mode, care should be taken to operate normally.
There is a possibility that this IC doesn’t operate normally, because switch condition is open.
Maximum Ratings (Ta...


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