2-channel class AB headphone amplifier
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Etek Microelectronics
ETK4800
AB
ETK4800 CMOS AB , AB (push-pull) 。 290mW。ETK4800 。
z :2V...
Description
www.DataSheet.co.kr
Etek Microelectronics
ETK4800
AB
ETK4800 CMOS AB , AB (push-pull) 。 290mW。ETK4800 。
z :2V~6V :±1.0V~3.5V :100dB :5V/µs :-65dB z 10% 8Ω 290mW 16Ω 190mW / SOP8 DIP8
z z z z
z z z z
1 2 3 4 5 6 7 8 A A A B B B
OUTA 1 INAN 2 INAP 3 GND 4
8V DD 7 OUTB 6 INBN 5 INBP
OUTA INAN INAP GND INBP INBN OUTB VDD
OUTA 1
8 VDD
INAN 2
- + + -
7 OUTB
INAP 3
6 INBN
GND 4
5 INBP
Rev 2.1 1/3
2006-04-04
Datasheet pdf - http://www.DataSheet4U.net/
www.DataSheet.co.kr
ETK4800
VDD TSC(O) Tamb TJ Tstg 0 0 -40 0 -65 7 20 +85 150 +150 V S ℃ ℃ ℃
(Tamb=25℃,fIN=1kHz)
VDD=5V + IDD VI(OS) (THD+N)/S 2.5 5 0.1 0.05 210 140 290 190 50 mA mV % Po=200mW,RL=8Ω,f=1kHz f=1kHz Po=120mW, RL=16Ω, (THD+N)/S=0.2%,f=1kHz RL=8Ω RL=16Ω (THD+N)/S=10%,f=1kHz RL=8Ω RL=16Ω CB=2.2µF; VRIPPLE=200mVrms, F=120Hz RL=8Ω Po=50mW,RL=8Ω,f=1kHz Po=40mW,RL=16Ω,f=1kHz (THD+N)/S=0.2%,f=1kHz RL=8Ω RL=16Ω (THD+N)/S=10%,f=1kHz RL=8Ω RL=16Ω VDD 2.0 6.0 V
S/N
mW
PO
mW
VDD=3V +
PSRR VN IDD VI(OS) (THD+N)/S — —
55 20 2.2 5 0.1 0.05 60 45 90 65 — 50
dB rms mA mV %
PO
mW
PO
mW
Rev 2.1 2006-04-04 2/3
Datasheet pdf - http://www.DataSheet4U.net/
www.DataSheet.co.kr
ETK4800
V DD 15k
220pF 220μF V OUTA
RL 2.2μF V INAN 15k 2 3 VREF 2.2μF V INBN 15k OP1 1 8
ETK4800
5 6 OP2 7 4
100μF
15k 220μF 220pF RL
VOUTB
*:。
Rev 2.1 2006-04-04 3/3
Datasheet pdf - http://www.DataSheet4U.net/
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