APA2051 Datasheet, PDF (3/32 Pages) Anpec Electronics Coropration – 2.4W Stereo Audio Power Amplifier (with Gain Setting) & Capfree Headphone Driver

APA2051
Thermal Characteristics
Symbol
Parameter
Typical Value
Unit
θJA
Thermal Resistance - Junction to Ambient ^{(Note 2)}
TQFN4x4-28
45
o_C/W
Note 2 : 3.42 in² printed circuit board with 2OZ trace and copper through 10 vias of 15mil diameter vias. The thermal pad on the TQFN4x4-
28 packages with solder on the printed circuit board.
Recommended Operating Conditions
Symbol
VDD
HVDD
VIH
VIL
Vicm
VSET
Supply Voltage
Supply Voltage
High Level Threshold Voltage
Low Level Threshold Voltage
Common Mode Input Voltage
Input Voltage
Parameter
AMP_EN, HP_EN
AMP_EN, HP_EN
for Amplifier
for Headphone Amplifier
Shutdown
Gain Setting
Fix Gain
Range
4.5 ~ 5.5
3.0 ~ 3.6
2~
~ 0.8
~ VDD-1
~ HVDD-1
~ 0.8
2 ~ 4.2
4.5 ~
Unit
V
V
V
V
V
V
V
Electrical Characteristics
V_DD = 5V, HV_DD = 3.3V, GND = PGND = CPGND = 0V, T_A= 25°C (unless otherwise noted).
Symbol
Parameter
Test Conditions
VDD
Supply Voltage
HVDD
Headphone Amplifier Supply
Voltage
IVDD
VDD Supply Current
I_HVDD
H_VDD Supply Current
IVDD
VDD Supply Current
IHVDD
HVDD Supply Current
IVDD
VDD Supply Current
IHVDD
HVDD Supply Current
ISD(HVDD)
HVDD Shutdown Current
ISD(VDD)
IAMP_EN
VDD Shutdown Current
Input Current
IHP_EN
Input Current
SPEAKER MODE
PO
Output Power
VOS
Output Offset Voltage
Only Speaker mode,
AMP_EN = HP_EN = 0V
Only Headphone mode,
HP_EN = AMP_EN = 5V
All Enable, HP_EN=5V and
AMP_EN = 0V
SET = 0V
AMP_EN
HP_EN
THD+N =1%, fin =1kHz
RL =4Ω
RL =8Ω
THD+N =10%, fin =1kHz
RL =4Ω
RL =8Ω
RL =8Ω, Gain =10.5dB
APA2051
Unit
Min. Typ. Max.
4.5
-
5.5
V
3.0
-
3.6
V
-
17.5
29
-
0.15
1
-
12
20
mA
-
3
5
-
20
35
-
3
5
-
50
90
µA
-
1
10
-
1
-
µA
-
10
15
µA
1.9
-
1.0
1.2
W
2.4
-
1.3
1.5
-
-
10
mV
Copyright © ANPEC Electronics Corp.
3
Rev. A.4 - Aug., 2009
www.anpec.com.tw