TA2131FNG
features a built-in bass boost function with AGC, and is capable of bass amplification of DAC output and analog signals such as tuner.
Features
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- Low current consumption: ICCQ (VCC1) = 0.55 m A (typ.) ICCQ (VCC2) = 0.20 m A (typ.) Output power: Po = 8 m W (typ.) (VCC1 = 2.8 V, VCC2 = 1.2 V, f = 1 k Hz, THD = 10%, RL = 16 Ω) Low noise: Vno =
- 102d BV (typ.) Built-in low-pass boost (with AGC) I/O pin for beep sound Outstanding ripple rejection ratio Built-in power mute Built-in power ON/OFF switch Operating supply voltage range (Ta = 25°C): VCC1 = 1.8~4.5 V VCC2 = 0.9~4.5 V Weight: 0.14 g (typ.)
2006-04-19
Block Diagram
BEEP OFF ON VCC1 VCC1 DAC OUT (2.8 V)
Vref
Vref
OFF ON OFF ON
..
BST NF1 LPF1 24 23 Vref 22 BST BEEP Vref GND IN IN SW 21 20 19 18 Vref MT SW 17 PW SW 16 PW SW MT TC VCC1 15 14 INB 13 Vref
BEEP BOOST MUTE SW SW
BST1
BST2
BST AGC
PW B
PW A
LPF2
BST NF2
BST OUT
AGC IN
OUTB
PWR GND
OUTA
VCC2
BEEP...
