A4533_10 [UTC]
LOW POWER AMPLIFIER FOR HEADPHONE STEREOS; 低功耗放大器，立体声耳机
| 型号： | A4533_10 |
| 厂家： | 
Unisonic Technologies |
| 描述： | LOW POWER AMPLIFIER FOR HEADPHONE STEREOS |
| 文件： | 总4页 (文件大小：140K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
A4533
LINEAR INTEGRATED CIRCUIT
LOW POWER AMPLIFIER FOR
HEADPHONE STEREOS
MSOP-10
FEATURES
* Low current consumption.
* 16Ω load drive capability.
* Excellent reduced voltage characteristics.
* High power supply ripple rejection.
* Fewer external components required.
* High voltage gain.
SSOP-10
* Less harmonic interference in radio band.
* Built in power switch and muting function.
*Pb-free plating product number: A4533L
ORDERING INFORMATION
Order Number
Package
Packing
Normal
Lead Free Plating
A4533-SM2-R
A4533-SM2-T
A4533-R10-R
A4533-R10-T
A4533L-SM2-R
A4533L-SM2-T
A4533L-R10-R
A4533L-R10-T
MSOP-10 Tape & Reel
MSOP-10 Tube
SSOP-10 Tape & Reel
SSOP-10 Tube
www.unisonic.com.tw
1 of 4
Copyright © 2005 Unisonic Technologies Co., LTD
QW-R107-044.A
A4533
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
POWER
SWITCH
MUTE
CIRCUIT
1
2
3
10
9
POWER SWITCH
IN 1
MUTE SWITCH
OUT 1
Amp1
Amp2
PRE GND
POWER GND
8
IN 2 4
7 OUT 2
REF
BIAS
5
6 VCC
UNISONIC TECHNOLOGIES CO., LTD
2 of 4
QW-R107-044.A
www.unisonic.com.tw
A4533
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TA = 25°C)
PARAMETER
SYMBOL
VCC
RATINGS
4.5
UNIT
V
Power Supply Voltage
Power Dissipation
PD
TJ
300
mW
℃
Junction Temperature
125
Operating Temperature
Storage Temperature
TOPR
TSTG
-20 ~ +85
-40 ~ +150
℃
℃
Note 1. 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.
2. The device is guaranteed to meet performance specification within 0℃ ~ 70℃ operating temperature range
and assured by design from –20℃ ~ 85℃.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
VCC
RATINGS
3
UNIT
V
Supply Voltage
Operating Voltage Range
Load Resistance
VOPR
RL
1.6 ~ 4
16 ~ 32
V
Ω
ELECTRICAL CHARACTERIS (Ta = 25°C, RL=16Ω, Rg=600Ω, Unless Otherwise specified)
PARAMETER
SYMBOL
IQ1
CONDITIONS
MIN TYP MAX UNIT
VCC=2.4V
5.4
1.1
10
2.0
1.0
34
mA
mA
μA
dB
dB
dB
dB
%
Quiescent Current
IQ2
VCC=4.5V, Mute =GND
IQ3
VCC=4.5V, PS = GND
GV1
VCC=2.4V, f=1kHz, VOUT=–10dBm
VCC=1.6V, f=1kHz, VOUT=–20dBm
VCC=2.4V, f=1kHz, VOUT=–10dBm
VCC=1.6V, f=1kHz, VOUT=–20dBm
VCC=2.0V, f=1kHz, POUT=1mW
VCC=3.0V, f=1kHz, THD=10%
30
29
32
32
Voltage Gain
GV2
34
ΔGV1
ΔGV2
THD
POUT
1.0
1.0
1.5
Voltage Gain Difference
Total Harmonic Distortion
Output Power
0.5
40
20
40
mW
V
V
V
CC=2.4V, f=100Hz, Rg=1kW,
Cross Talk
CT
50
dB
OUT=–10dB
CC=1.6V, f=100Hz, Rg=1kΩ,
VR=–20dBm, BPF=100Hz
Ripple Rejection
RR
eN
45
60
62
dB
μV
dB
Output Noise Voltage
Power Off Effect
VCC=4.5V, Rg=1kΩ,BPF=20Hz ~ 20kHz
100
-80
V
CC=1.6V, f=100Hz, PS = GND,
VIN=–10dB
CC=1.6V, f=100Hz, Mute = GND,
VO(OFF)
V
Muting Effect
VO(MT)
IPS(ON)
-80
dB
VIN=–10dB
Power On Current Sensitivity
Power Off Voltage Sensitivity
Muting Off Current Sensitivity
Muting On Voltage Sensitivity
VCC=1.5V, VREF≥0.85V
0.05 1.0
0.6
μA
V
VPS(OFF) VCC=1.5V, VREF ≤0.1V
IMUTE(OFF) VCC=1.5V, VREF ≥0.85V
VMUTE(ON) VCC=1.5V, VREF ≤0.1V
0.5
0.2
0.5 0.65
1.0
μA
V
Note: The quiescent current is represented by the current flowing into pin 6. The respective maximum currents
flowing into pin 1 and pin 10 are calculated by (pin voltage –0.5) / 16 [V/kΩ] and the total current increases by
these current values.
UNISONIC TECHNOLOGIES CO., LTD
3 of 4
QW-R107-044.A
www.unisonic.com.tw
A4533
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
I1
I10
UTC A4533
1
4
1
2
2
MUTE
PS
3
1
2
10
9
PS
MUTE
OUT 1
V10
3
V1
1
2
4
220μF
+
IN 1
0.1μF
4.7Ω
RL
16Ω
POWER
GND
Rg
1kΩ
3 PRE GND
8
7
6
VR
4.7Ω
RL
16Ω
1
+
0.1μF
VCC
OUT 2
VCC
4
5
IN 2
REF
2
220μF
Rg
1kΩ
DC
RIPPLE
SG
A
ICC
22μF
4.7μF
TYPICAL APPLICATON CIRCUIT
UTC A4533
1
OFF
ON
ON
MUTE
PS
1
2
10
9
PS
MUTE
OUT 1
OFF
220μF
+
IN 1
VR
0.1μF
4.7Ω
RL
16Ω
POWER
GND
3 PRE GND
8
7
6
4.7Ω
RL
16Ω
+
-
0.1μF
OUT 2
VCC
VCC
VR
4
5
IN 2
REF
+
220μ
SG
2
SG
1
22μF
4.7μF
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.
UNISONIC TECHNOLOGIES CO., LTD
4 of 4
QW-R107-044.A
www.unisonic.com.tw
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