apa4838 Anpec Electronics Corporation, apa4838 Datasheet - Page 5

• Manufacturer Part Number: apa4838
• Description: Stereo 2.8w Audio Power Amplifier With Dc Volume Control And Selectable Gain
• Manufacturer: Anpec Electronics Corporation

APA4838
Electrical Characteristics (Cont.)
Electrical Characteristics for SE Mode Operation (Cont.)
The following specifications apply for V
Pin Description
Copyright
Rev. A.1 - Apr., 2003
GND
Shutdown
Gain Select
Mode
Mute
V
DC_Vol
Right Dock
Right In
Beep In
Left In
Left Dock
Left Out +
Left Out -
Left Gain 2
Left Gain 1
HP Sense
Symbol
THD+N
DD
PSRR
X
SNR
V
Name
P
V
TALK
OS
O
N
Output Offset Voltage
Output Power
Total Harmonic Distortion
plus Noise
Power Supply Rejection
Ratio
Channel Separation
Signal-to-Noise Ratio
Output Noise Voltage
Pin
ANPEC Electronics Corp.
6, 16, 27
1, 8, 14,
20, 23
No
Parameter
10
11
12
13
15
17
18
19
21
2
3
4
5
7
9
I/O
O Right docking output pin
O Right docking output pin
O Left channel positive output pin
O Left channel negative output pin
I Shutdown mode control signal input, place entire IC in shutdown mode when
I Gain select input pin, logic high will switch the amplifier to external gain
I Mode select input pin, fixed gain when logic L and gain adjustable mode
I Mute control input pin, active H.
I Volume control function input pin.
I Right channel audio input pin
I Beep signal input pin
I Left channel audio input pin
I Headphone sense control pin
Ground connection for circuitry.
held high, Idd=0.7uA
mode, and logic low will switch to internal unity gain.
when logic H.
Supply voltage input pin
Connect pin 2 of the external gain setting resistor for left channel
Connect pin 1 of the external gain setting resistor for left channel
DD
= 5V unless otherwise noted. Limits apply for T
V
THD=1%,
THD=10%,
A
P
V
C
P
R
IN
V
O
RIPPLE
O
B
L
= 1 , V
=32 , A-Wtd Filter
=2.2 F, R
=0V
=75mW, R
=75mW, R
=100mV
OUT
=1V
L
=8
L
L
5
Test Conditions
f=1kHz, R
f=1kHz, R
=32 , A
=32 , A-Wtd Filter
RMS
RMS
, f=1kHz
, f=120Hz, C
, R
L
=10k , f=1kHz
V
Description
= 1, f=1kHz
L
L
=32
=32
B
=2.2 F
A
= 25°C
APA4838
Typ.
0.05
0.07
www.anpec.com.tw
110
102
95
52
90
20
5
mW
Unit
mV
dB
dB
dB
%
%
V