TA2120FNG datasheet(3/17 Pages) TOSHIBA | Low Consumption Current Stereo Headphone Power Amplifier for Portable CD (3V Use)

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TA2120FNG

Low Consumption Current Stereo Headphone Power Amplifier for Portable CD (3V Use) ( 17 Page)

TOSHIBA

3 page

TA2120FNG

2006-04-19

Terminal Explanation (Terminal voltage: Typical terminal voltage at no signal with test

circuit, VCC = 2.4 V, Ta = 25°C)

Terminal

No.

Name

Function

Internal Circuit

Terminal

Voltage

(V)

BST NF

NF of BST amplifier

0.85

BST OUT

Output of BST amplifier

(Terminal for filter)

0.85

ADD OUT

Output of ADD amplifier

(Terminal for filter)

0.85

RF IN

Terminal for ripple filter

circuit

1.44

BIAS

BIAS voltage

0.85

BIAS IN

Filter terminal for BIAS

circuit

0.85

30 k

Ω

12 k

Ω

2 k

Ω

BIAS

BST

ADD

OUT

ADDA

ADDB

BIAS

BST

AMP

PWA

PWB

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

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