PA2308G-S08-T [UTC]
CLASS AB STEREO HEADPHONE DRIVER; AB类立体声耳机驱动器
| 型号： | PA2308G-S08-T |
| 厂家： | 
Unisonic Technologies |
| 描述： | CLASS AB STEREO HEADPHONE DRIVER |
| 文件： | 总6页 (文件大小：240K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
PA2308
LINEAR INTEGRATED CIRCUIT
CLASS AB STEREO
HEADPHONE DRIVER
DESCRIPTION
As operating on a single 5V supply, the UTC PA2308 is
capable of delivering 280mW of max. Output power to an 8Ωload
or 110mW to a 32Ωload with less than 10% (THD+N).
The device is very sutible for portable digital audio application.
SOP-8
FEATURES
* Output power less than 10% THD+N, VDD=5V(TYP)
--280mW/CH (typical) into a 8Ω load
--110mW/CH (typical) into a 32Ω load
*Very High signal-to-noise ratio
Lead-free:
PA2308L
*Large output voltage swing
Halogen-free: PA2308G
*Good power supply ripple rejection
*Low power consumption and Low distortion
*Fix wide temperature range
*Without switch ON/OFF clicks
ORDERING INFORMATION
Ordering Number
Package
Packing
Normal
Lead Free Plating
PA2308L-S08-R
PA2308L-S08-T
Halogen Free
PA2308G-S08-R
PA2308G-S08-T
PA2308-S08-R
PA2308-S08-T
SOP-8
SOP-8
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2008 Unisonic Technologies Co., Ltd
1 of 6
QW-R107-057.A
PA2308
LINEAR INTEGRATED CIRCUIT
PIN CONFIGURATION
PIN DESCRIPTION
PIN NO.
PIN NAME
VOUT
I/O
PIN DESCRIPTION
1
2
3
4
5
6
7
8
A
O
I
Channel A output pin
Inverting Input A
Non- Inverting Input A
VSS
Inverting input for channel A
Non-inverting input for channel A
Ground
I
Non- Inverting Input B
Inverting Input B
I
I
Non-inverting input for channel B
Inverting input for channel B
Channel B output pin
VOUT
B
O
I
VDD
Supply voltage input pin
UNISONIC TECHNOLOGIES CO., LTD
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QW-R107-057.A
PA2308
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
1
2
VOUT
A
8
7
6
5
VDD
Inverting Inut A
Non-inverting Input A
VSS
VOUT
B
Inverting Input B
3
4
Non-inverting Input B
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QW-R107-057.A
PA2308
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta=25℃)
PARAMETER
SYMBOL
VDD
RATINGS
7
UNIT
V
℃
Supply Voltage
Junction Temperature
TJ
150
℃
℃
Operating Temperature
Storage Temperature
TOPR
TSTG
-40 to 85
-65 to +150
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
MIN
TYP
210
MAX
UNIT
K/W
Junction to Ambient
θJA
ELECTRICAL CHARACTERISTICS(Ta=25°C; unless otherwise specified)
VDD=5V, VSS=0V, f=1kHz, RL=32Ω
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNIT
SUPPLY
Single
Dual
3.0
5.0
6.0
Supply Voltage
VDD
V
±1.5 ±2.5 ±3.0
-1.5 -2.5 -3.0
Negative Supply Voltage
Supply Current
VSS
IDD
PD
V
No Load
No Load
2.5
5
mA
mW
Total Power Dissipation
DC CHARACTERISTICS
Input Offset Voltage
12.5
25
VIN(OFF)
IBIAS
VCM
Gv
5
mV
pA
V
Input Bias Current
10
Common Mode Voltage
Closed Loop Voltage Gain
Max. Output Current
Output Resistance
0
3.5
RL=5kΩ
75
dB
mA
Ω
IOUT
Ro
(THD+N)/S<0.1%
140
0.25
AC CHARACTERISTICS
RL=32Ω(Note 1)
RL=16Ω(Note 1)
0.25
0.5
4.75
4.5
Output Voltage Swing
VOUT
V
Power Supply Rejection Ratio
Channel Separation
PSRR fIN=100Hz, VRIPPLE(P.P)=100mV
65
95
dB
dB
αCS
RL=32Ω
Load Capacitance
CL
200
-60
pF
Total Harmonic Distortion Plus Noise to
Signal Ratio
-65
dB
(THD+N)/S RL=32Ω(Note 2)
0.05 0.1
%
Signal to Noise Ratio
Unity Gain Frequency
Max.Output Power
Input Capacitance
Power Bandwidth
S/N
90
100
5
dB
FG
POUT
CI
RL=5kΩ
MHz
mW
PF
(THD+N)/S<0.1%
84
3
B
Unity Gain Inverting
20
kHz
Note: 1.Values are proportional to VDD;(THD+N)/S<0.1%
2.VDD=5V; VOUT(P-P)=3.5V(at 0dB)
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QW-R107-057.A
PA2308
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION
220pF
2.2μF
VIN
A
15kΩ
220μF
VOUT
A
VDD
15kΩ
RL
8
1
2
100μF
VREF
1/2VDD(typ.)
3
6
5
4
7
VOUT
B
15kΩ
220μF
RL
V
IN B
15kΩ
2.2μF
220pF
UNISONIC TECHNOLOGIES CO., LTD
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QW-R107-057.A
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PA2308
LINEAR INTEGRATED CIRCUIT
TYPICAL CHARACTERISTICS
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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