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产品型号SGM4915的Datasheet PDF文件预览

SGM4915  
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
GENERAL DESCRIPTION  
FEATURES  
The SGM4915 is a dual audio power amplifier with  
active low shutdown mode. It is designed to maximize  
audio performance in portable applications. The audio  
power amplifier is designed for the portable application  
that needs low-component count and can operate from  
a single 2.5V to 5.5V power supply. Under the condition  
of using a 5.0V power supply to drive a 16Ω speaker, it  
can deliver a continuous average power of 145mW per  
channel, and the distortion (THD) is less than 0.1%.  
Supply Voltage Range: 2.5V to 5.5V  
Active Low Shutdown Mode  
145mW into 16Ω Load from 5V Power Supply at  
THD+N = 0.1% (Typical, per Channel)  
82mW into 32Ω Load from 5V Power Supply at  
THD+N = 0.1% (Typical, per Channel)  
Unity Gain Stable  
Shutdown Current: 0.02μA (TYP)  
Shutdown Pin is Compatible with 1.8V Logic  
Pop/Click Reduction Circuitry  
The SGM4915 provides an active-low, micro-power  
consumption shutdown mode which is controlled  
externally and an internal thermal shutdown protection.  
-40to +85Operating Temperature Range  
Available in a Green TDFN-2×2-8L Package  
The SGM4915 is applied to low power portable  
systems. Bootstrap capacitors or snubber networks are  
not needed.  
APPLICATIONS  
Mobile Phone  
The SGM4915 provides an externally controlled gain  
(with resistors), as well as an externally controlled  
turn-on time (with the bypass capacitor) for maximum  
flexibility.  
Portable Systems  
Headphone Amplifier  
Notebook Computers  
Microphone Preamplifier  
PDAs  
The SGM4915 is available in a Green TDFN-2×2-8L  
package. It operates over an ambient temperature  
range of -40to +85.  
GPS  
SG Micro Corp  
MAY 2011 – REV. A. 1  
www.sg-micro.com  
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
SGM4915  
PACKAGE/ORDERING INFORMATION  
SPECIFIED  
TEMPERATURE  
RANGE  
PACKAGE  
DESCRIPTION  
ORDERING  
NUMBER  
PACKAGE  
MARKING  
PACKING  
OPTION  
MODEL  
4915  
XXXX  
SGM4915  
TDFN-2×2-8L  
SGM4915YDE8G/TR  
Tape and Reel, 3000  
-40to +85℃  
MARKING INFORMATION  
NOTE: XXXX = Date Code.  
X X X X  
Date Code - Week  
Date Code - Year  
Green (RoHS & HSF): SG Micro Corp defines "Green" to mean Pb-Free (RoHS compatible) and free of halogen substances. If  
you have additional comments or questions, please contact your SGMICRO representative directly.  
OVERSTRESS CAUTION  
ABSOLUTE MAXIMUM RATINGS  
Stresses beyond those listed in Absolute Maximum Ratings  
may cause permanent damage to the device. Exposure to  
absolute maximum rating conditions for extended periods  
may affect reliability. Functional operation of the device at any  
conditions beyond those indicated in the Recommended  
Operating Conditions section is not implied.  
Supply Voltage...................................................................6V  
Input Voltage......................................... -0.3V to (VCC) + 0.3V  
Junction Temperature.................................................+150℃  
Storage Temperature Range........................-65to +150℃  
Lead Temperature (Soldering, 10s)............................+260℃  
ESD Susceptibility  
HBM.............................................................................2000V  
MM.................................................................................200V  
ESD SENSITIVITY CAUTION  
This integrated circuit can be damaged if ESD protections are  
not considered carefully. SGMICRO recommends that all  
integrated circuits be handled with appropriate precautions.  
Failureto observe proper handlingand installation procedures  
can cause damage. ESD damage can range from subtle  
performance degradation tocomplete device failure. Precision  
integrated circuits may be more susceptible to damage  
because even small parametric changes could cause the  
device not to meet the published specifications.  
RECOMMENDED OPERATING CONDITIONS  
Supply Voltage Range........................................2.5V to 5.5V  
Operating Temperature Range.......................-40to +85℃  
DISCLAIMER  
SG Micro Corp reserves the right to make any change in  
circuit design, or specifications without prior notice.  
SG Micro Corp  
www.sg-micro.com  
MAY 2011  
2
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
SGM4915  
PIN CONFIGURATION  
(TOP VIEW)  
1
2
3
4
8
7
6
5
VCC  
VO1  
VO2  
VIN2  
GND  
VIN1  
SHDN  
GND  
Bypass  
TDFN-2×2-8L  
PIN DESCRIPTIONS  
PIN  
NAME  
DESCRIPTION  
1
2
C1P  
PGND  
C1N  
Positive Terminal for Flying Capacitor. Connect a 1µFcapacitor to C1N.  
Power Ground. Connect to SGND.  
3
Negative Terminal for Flying Capacitor. Connect a 1µF capacitor to C1P.  
Charge-Pump Output. Connect to SVSS and bypass with a 1µF ceramic capacitor to PGND.  
Active-Low Shutdown Input.  
4
PVSS  
5
SHDN  
INL  
6
Input for Left-Channel.  
7
SGND  
INR  
Signal Ground. Connect to PGND.  
8
Input for Right-Channel.  
9
SVSS  
OUTR  
OUTL  
VDD  
Amplifier Negative Supply. Connect to PVSS  
.
10  
11  
12  
Output for Right-Channel.  
Output for Left-Channel.  
Positive Power-Supply Input. Bypass with a 1µF capacitor to SGND.  
Exposed  
Pad  
Exposed Pad. Can be connected to GND or left floating.  
SG Micro Corp  
MAY 2011  
www.sg-micro.com  
3
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
SGM4915  
ELECTRICAL CHARACTERISTICS  
(TA = +25, unless otherwise noted.)  
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
5.5  
4
UNITS  
2.5  
V
VIN = 0V, VSHDN = GND, VCC = 5.0V  
VIN = 0V, VSHDN = GND, VCC = 3.3V  
VIN = 0V, VSHDN = GND, VCC = 2.6V  
0.02  
0.02  
0.02  
2.5  
Shutdown Current  
ISD  
VOS  
IQ  
μA  
mV  
mA  
V
IN = 0V, VSHDN = VCC = 5.0V  
-50  
50  
Output Offset Voltage  
VIN = 0V, VSHDN = VCC = 3.3V  
VIN = 0V, VSHDN = VCC = 2.6V  
2.5  
2.5  
VCC = 5.0V, No Load  
1.65  
1.50  
1.40  
2.8  
VIN = 0V,  
SHDN = VCC  
Quiescent Power Supply Current  
VCC = 3.3V, No Load  
VCC = 2.6V, No Load  
V
Shutdown Voltage Input High  
Shutdown Voltage Input Low  
VSDIH  
VSDIL  
1.2  
V
V
0.4  
RL = 16Ω  
RL = 32Ω  
RL = 16Ω  
RL = 32Ω  
RL = 16Ω  
RL = 32Ω  
RL = 16Ω  
RL = 32Ω  
145  
85  
78  
44  
54  
31  
40  
23  
V
CC = 5.0V  
VCC = 3.6V  
VCC = 3.0V  
VCC = 2.6V  
f = 1kHz  
THD+N = 0.1%  
Output Power (per Channel)  
PO  
mW  
PO = 78mW, VCC = 5.0V, RL = 32Ω,  
f = 20Hz to 20kHz  
Total Harmonic Distortion + Noise  
THD+N  
Xtalk  
0.1  
%
Crosstalk  
RL = 32Ω, PO = 70mW, VCC = 5V, f = 1kHz  
-85  
-67  
-67  
-65  
-64  
-75  
-75  
-74  
-65  
dB  
V
CC = 5.0V  
f = 217Hz, CB = 1μF, RL = 32Ω  
RIPPLE = 200mVp-p,  
VCC = 3.6V  
VCC = 3.0V  
VCC = 2.6V  
V
Input Grounded with 10Ω  
Power Supply Rejection Ratio  
PSRR  
dB  
V
CC = 5.0V  
f = 1kHz, CB = 1μF, RL = 32Ω  
VCC = 3.6V  
VCC = 3.0V  
VCC = 2.6V  
V
RIPPLE = 200mVp-p,  
Input Grounded with 10Ω  
SG Micro Corp  
www.sg-micro.com  
MAY 2011  
4
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
SGM4915  
TYPICAL PERFORMANCE CHARACTERISTICS  
THD+N vs. Output Power per Channel  
THD+N vs. Output Power per Channel  
10  
1
10  
1
VCC = 5V, RL = 32Ω  
f = 1kHz, AV = -1  
BW < 80kHz  
VCC = 3V, RL = 32Ω  
f = 1kHz, AV = -1  
BW < 80kHz  
0.1  
0.1  
0.01  
0.01  
0.001  
0.001  
0.001  
0.01  
0.1  
1
0.001  
0.01  
0.1  
0.1  
100  
Output Power (W)  
Output Power (W)  
THD+N vs. Output Power per Channel  
THD+N vs. Output Power per Channel  
10  
1
10  
1
VCC = 5V, RL = 16Ω  
f = 1kHz, AV = -1  
BW < 80kHz  
VCC = 3V, RL = 16Ω  
f = 1kHz, AV = -1  
BW < 80kHz  
0.1  
0.1  
0.01  
0.001  
0.01  
0.001  
0.01  
0.1  
1
0.001  
0.01  
Output Power (W)  
Output Power (W)  
THD+N vs. Frequency  
THD+N vs. Frequency  
1
0.1  
1
0.1  
0.01  
0.01  
0.001  
VCC = 3V  
RL = 32Ω  
O = 25mW  
VCC = 5V  
RL = 32Ω  
O = 80mW  
BW < 80kHz  
P
P
BW < 80kHz  
0.001  
0.01  
0.1  
1
10  
100  
0.01  
0.1  
1
10  
Frequency (kHz)  
Frequency (kHz)  
SG Micro Corp  
www.sg-micro.com  
MAY 2011  
5
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
SGM4915  
TYPICAL PERFORMANCE CHARACTERISTICS (continued)  
Power-Supply Rejection Ratio vs. Frequency  
Power-Supply Rejection Ratio vs. Frequency  
0
-20  
0
-20  
VCC = 5V  
RL = 32Ω  
VCC = 3V  
RL = 32Ω  
V
RIPPLE = 200mVP-P  
V
RIPPLE = 200mVP-P  
-40  
-40  
-60  
-60  
-80  
-80  
-100  
-100  
0.01  
0.1  
1
10  
100  
0.01  
0.1  
1
10  
100  
Frequency (kHz)  
Frequency (kHz)  
Large Signal Step Response  
Large Signal Step Response  
VCC = 5V  
VCC = 3V  
Time (2μs/div)  
Time (2μs/div)  
Small Signal Step Response  
Small Signal Step Response  
VCC = 5V  
VCC = 3V  
Time (2μs/div)  
Time (2μs/div)  
SG Micro Corp  
MAY 2011  
www.sg-micro.com  
6
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
SGM4915  
TYPICAL PERFORMANCE CHARACTERISTICS (continued)  
Output Power vs. Supply Voltage  
Output Power vs. Supply Voltage  
0.15  
0.12  
0.09  
0.06  
0.03  
0
0.3  
0.25  
0.2  
RL = 32Ω, f = 1kHz  
AV = -1, BW < 80kHz  
RL = 16Ω, f = 1kHz  
AV = -1, BW < 80kHz  
THD+N = 1%  
THD+N = 1%  
THD+N = 10%  
THD+N = 10%  
0.15  
0.1  
THD+N = 0.1%  
THD+N = 0.1%  
0.05  
0
2.5  
3
3.5  
4
4.5  
5
5.5  
2.5  
3
3.5  
4
4.5  
5
5.5  
Supply Voltage (V)  
Supply Voltage (V)  
Power Dissipation vs. Output Power per channel  
0.1  
0.08  
0.06  
0.04  
0.02  
0
RL = 16Ω  
RL = 32Ω  
VCC = 5V, f = 1kHz  
THD+N < 1%, AV = -1  
BW < 80kHz  
0
0.05  
0.1  
0.15  
0.2  
Output Power (W)  
SG Micro Corp  
www.sg-micro.com  
MAY 2011  
7
Dual 145mW Headphone Amplifier  
with Active Low Shutdown Mode  
SGM4915  
REVISION HISTORY  
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.  
MAY 2011 ‒ REV.A to REV.A.1  
Updated package name.....................................................................................................................................................................................All  
Changes from Original (MARCH 2010) to REV.A  
Changed from product preview to production data.............................................................................................................................................All  
SG Micro Corp  
www.sg-micro.com  
MAY 2011  
8
PACKAGE INFORMATION  
PACKAGE OUTLINE DIMENSIONS  
TDFN-2×2-8L  
D
e
N8  
E1  
D1  
L
E
k
N4  
N1  
b
BOTTOM VIEW  
TOP VIEW  
1.20  
0.65  
0.60 1.95  
A
A1  
A2  
SIDE VIEW  
0.24  
0.50  
RECOMMENDED LAND PATTERN (Unit: mm)  
Dimensions  
In Millimeters  
Dimensions  
In Inches  
Symbol  
MIN  
MAX  
0.800  
0.050  
MIN  
0.028  
0.000  
MAX  
0.031  
0.002  
A
A1  
A2  
D
0.700  
0.000  
0.203 REF  
0.008 REF  
1.900  
1.100  
1.900  
0.500  
2.100  
1.300  
2.100  
0.700  
0.075  
0.043  
0.075  
0.020  
0.083  
0.051  
0.083  
0.028  
D1  
E
E1  
k
0.200 MIN  
0.500 TYP  
0.008 MIN  
0.020 TYP  
b
0.180  
0.250  
0.300  
0.450  
0.007  
0.010  
0.012  
0.018  
e
L
SG Micro Corp  
www.sg-micro.com  
TX00056.000  
PACKAGE INFORMATION  
TAPE AND REEL INFORMATION  
REEL DIMENSIONS  
TAPE DIMENSIONS  
P2  
P0  
W
Q2  
Q4  
Q2  
Q4  
Q2  
Q4  
Q1  
Q3  
Q1  
Q3  
Q1  
Q3  
B0  
Reel Diameter  
P1  
A0  
K0  
Reel Width (W1)  
DIRECTION OF FEED  
NOTE: The picture is only for reference. Please make the object as the standard.  
KEY PARAMETER LIST OF TAPE AND REEL  
Reel Width  
Reel  
Diameter  
A0  
B0  
K0  
P0  
P1  
P2  
W
Pin1  
Package Type  
W1  
(mm)  
(mm) (mm) (mm) (mm) (mm) (mm) (mm) Quadrant  
TDFN-2×2-8L  
7″  
9.5  
2.30  
2.30  
1.10  
4.0  
4.0  
2.0  
8.0  
Q1  
SG Micro Corp  
TX10000.000  
www.sg-micro.com  
PACKAGE INFORMATION  
CARTON BOX DIMENSIONS  
NOTE: The picture is only for reference. Please make the object as the standard.  
KEY PARAMETER LIST OF CARTON BOX  
Length  
(mm)  
Width  
(mm)  
Height  
(mm)  
Reel Type  
Pizza/Carton  
7″ (Option)  
7″  
368  
442  
227  
410  
224  
224  
8
18  
SG Micro Corp  
www.sg-micro.com  
TX20000.000  
配单直通车
SGM4FDS3T0000-50产品参数
型号:SGM4FDS3T0000-50
是否Rohs认证: 不符合
生命周期:Active
IHS 制造商:POSITRONIC INDUSTRIES INC
Reach Compliance Code:unknown
ECCN代码:EAR99
HTS代码:8536.69.40.30
风险等级:5.83
其他特性:STANDARDS: MIL-DTL-28748/7, MIL-DTL-28748/8, IEC 807-1
连接器类型:RACK AND PANEL CONNECTOR
联系完成配合:GOLD OVER NICKEL
联系完成终止:GOLD OVER NICKEL
触点性别:FEMALE
触点材料:COPPER ALLOY
DIN 符合性:NO
空壳:NO
滤波功能:NO
IEC 符合性:YES
绝缘体材料:GLASS FILLED DIALLYL PHTHALATE
JESD-609代码:e4
MIL 符合性:YES
制造商序列号:SGM
插接信息:MULTIPLE MATING PARTS AVAILABLE
混合触点:NO
安装类型:BOARD AND PANEL
选件:GENERAL PURPOSE
端接类型:SOLDER
触点总数:4
Base Number Matches:1
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