TA2120FN
TA2120FN is LOW CONSUMPTION CURRENT STEREO GEADPHONE POWER AMPLIFIER FOR PORTABLE CD (3V USE) manufactured by Toshiba.
TOSHIBA Bipolar Linear Integrated Circuit SIlicon Monolithic
Low Consumption Current Stereo Headphone Power Amplifier for Portable CD (3V Use)
The TA2120FN is a low consumption current stereo headphone power amplifier developed for portable CD players (3V). This IC has active bass boost, output limiter, input pin for beep sound.
Features
- Low consumption current: ICCQ = 1.9 m A (C-CUP) (typ.)
ICCQ = 2.6 m A (OCL) (typ.)
- Two kinds of gain mode available: GV = 16d B or 8.5d B
- Output power (VCC = 2.0 V, f = 1 k Hz, THD = 10%, RL = 16 Ω)
Po = 8 m W (typ.)
- Low noise: Vno =
- 98d BV (typ.)
Weight: 0.14 g (typ.)
- Built-in the center amplifier ON/OFF function.
(Favorable for low dissipation current in the C-Couple output configuration)
- Built-in active bass boost system
- Built-in output limiter function
- Input pin for beep sound
- Excellent ripple rejection ratio
- Built-in capacitor for reducing buzz noise
- Built-in power mute
- Built-in a power on/off switch
- Operating supply voltage range (Ta = 25°C): VCC = 1.8~4.5 V
1 2002-04-19
Block Diagram
BIAS
VCC VCC
BEEP
OFF BST ON SW
PW MT SW SW ON ON
OFF...