APA2057A
Absolute Maximum Ratings (Cont.) (Note 1)
(Over operating free-air temperature range unless otherwise noted.)
Symbol
TSTG
Parameter
Storage Temperature Range
Maximum Lead Soldering Temperature
Power Dissipation
Rating
Unit
-65 to +150
°
°
C
C
TSDR
260, 10 seconds
Internally Limited
PD
W
Note 1 : Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
Thermal Characteristics (Note 2)
Symbol
Parameter
Value
Unit
Thermal Resistance - Junction to Ambient (Note 2)
TSSOP-28P
TQFN5x5-28
45
43
oC/W
qJA
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 TSSOP-28P & TQFN-28
packages with solder on the printed circuit board.
Recommended Operating Conditions
Min.
4.5
3.0
2
Max.
5.5
Unit
V
Supply voltage, VDD
Supply voltage, HVDD
3.6
V
High level threshold voltage, VIH
Low level threshold voltage, VIL
AMP_EN, HP_EN
AMP_EN, HP_EN
for Amplifier
V
0.8
VDD-1
HVDD-1
0.8
V
V
Common mode input voltage, Vicm
for Headphone Amplifier
Shutdown
V
Input Voltage (VSET
)
Gain Setting
2
4.2
V
V
Fix Gain
4.5
ElectricalCharacteristics
VDD = 5V, HVDD = 3.3V, GND = PGND = CPGND = 0V, TA= 25°C (unless otherwise noted).
APA2057A
Typ.
Symbol
Parameter
Supply Voltage
Test Condition
Unit
Min.
Max.
VDD
4.5
5.5
V
V
Headphone Amplifier
supply voltage
HVDD
3.0
3.6
Only Speaker mode,
IVDD
VDD Supply Current
HVDD Supply Current
17.5
0.15
29
1
AMP_EN = HP_EN = 0V
IHVDD
Only Headphone mode,
HP_EN = AMP_EN = 5V
IVDD
VDD Supply Current
12
20
mA
IHVDD
IVDD
HVDD Supply Current
VDD Supply Current
HVDD Supply Current
3
20
3
5
35
5
All Enable, HP_EN=5V and
AMP_EN = 0V
IHVDD
Copyright ã ANPEC Electronics Corp.
3
www.anpec.com.tw
Rev. A.1 - Aug., 2007
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
