APA2178
Electrical Characteristics
Unless otherwise specified, these specifications apply over VDD=PVDD=3.3V, VPGND=VGND=0V, and CCPO=CCPF=1µF.
Typical values are at TA=25oC.
Symbol
Parameter
Test Conditions
VDD
Supply Voltage
IDD
Supply Current
ISD
Shutdown Current
Ii
Input Current
CHARGE PUMP
FOSC
Switching Frequency
Req
Charge Pump Requirement
Resistance
POWER-ON-RESET
Rising VDD Threshold
Falling VDD Threshold
AMPLIFIERS
AV
Internal Voltage Gain
∆AV
Gain Match
Ri
Input Resistance
SR
Slew Rate
VOS
Output Offset Voltage
Vn
Noise Output Voltage
PSRR
Power Supply Rejection Ratio
CL
Maximum Capacitive Load
Tstart-up
Start-up Time
OUTR, OUTL ESD Protection
VDD=4.5V, TA=25°C
PO
Output Power (Stereo, in Phase)
THD+N
Total Harmonic Distortion Pulse
Noise
RSD =LSD= 0V
RSD, LSD
No Load
VDD=1.8V to 4.5V, RL = 32Ω
VDD=1.8V to 4.5V,Vrr=200mVrms
fin= 217Hz
fin=1kHz
fin= 20kHz
THD+N = 1%, fin=1kHz
RL = 16Ω
RL = 32Ω
THD+N = 10%, fin=1kHz
RL = 16Ω
RL = 32Ω
fin = 1kHz
PO = 105mW, RL = 16Ω
PO = 100mW, RL = 32Ω
VO = 2.2Vrms, RL = 300Ω
VO = 2.2Vrms, RL = 10kΩ
Min.
1.8
-
-
-
440
6
1.67
1.57
-1.55
-
12
-
-5
-
-
-
-
-
120
180
-
AP2178
Typ.
-
5
1
0.1
520
7
1.7
1.6
-1.5
1
14
2.5
-
15
78
75
55
400
120
±8
150
145
215
205
0.03
0.02
0.005
0.003
Max.
4.5
10
2
-
580
9
1.73
1.63
-1.45
-
16
-
5
-
-
-
-
-
-
-
-
Unit
V
mA
µA
µA
kHz
Ω
V
V
V/V
%
kΩ
V/µs
mV
µVrms
dB
pF
µs
kV
mW
%
Copyright © ANPEC Electronics Corp.
4
Rev. A.3 - Jul., 2009
www.anpec.com.tw