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参数资料
| 型号： | G1431R9U |
| 厂商： | Global Mixed-mode Technology Inc. |
| 元件分类： | 音频放大器 |
| 英文描述： | 2W Stereo Audio Amplifier |
| 中文描述： | 2W立体声音频放大器 |
| 文件页数： | 7/14页 |
| 文件大小： | 387K |
| 代理商： | G1431R9U |
Ver: 1.5
Oct 25, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G1431
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . .6V
Operating Ambient Temperature Range
TA . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . -40°C to +85°C
Maximum Junction Temperature, TJ . . . . . . . . . . 150°C
Storage Temperature Range, TSTG . . . .-65°C to+150°C
Reflow Temperature (soldering, 10sec) . . . . . . . .260°C
Power Dissipation (1)
TA ≤ 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7W
TA ≤ 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7W
Electrostatic Discharge, VESD
Human body mode . . . . . . . . . . . . . . . . . . . . . 3000V(2)
Note:
(1) : Recommended PCB Layout
(2) : Human body model : C = 100pF, R = 1500Ω, 3 positive pulses plus 3 negative pulses
Electrical Characteristics
DC Electrical Characteristics, TA=+25°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Supply voltage VDD
VDD
4.5
5
5.5
V
High-Level Input voltage, VIH
VIH
SHUTDOWN , GAIN0, GAIN1
2
---
V
Low-Level Input voltage, VIL
VIL
SHUTDOWN , GAIN0, GAIN1
---
0.8
V
DC Differential Output Voltage
VO(DIFF)
VDD = 5V,Gain = 2
---
5
50
mV
Supply Current in Mute Mode
IDD
VDD = 5V Stereo BTL
---
7.5
11
mA
IDD in Shutdown
ISD
VDD = 5V
---
160
300
A
(AC Operation Characteristics, VDD = 5.0V, TA=+25°C, RL = 4Ω, unless otherwise noted)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
THD = 1%, BTL, RL = 4Ω G=-2V/V
---
2
---
THD = 1%, BTL, RL = 8Ω G=-2V/V
---
1.2
---
THD = 10%, BTL, RL = 4Ω G=-2V/V
---
2.5
---
Output power (each channel) see Note
P(OUT)
THD = 10%, BTL, RL = 8Ω G=-2V/V
---
1.6
---
W
PO = 1.6W, BTL, RL = 4Ω G=-2V/V
---
100
---
Total harmonic distortion plus noise
THD+N
PO = 1W, BTL, RL = 8Ω G=-2V/V
---
60
---
m%
Maximum output power bandwidth
BOM
THD = 5%
---
15
---
kHz
Power supply ripple rejection
PSRR
F=1kHz, BTL mode G=-2V/V
CBYP=1F
---
68
---
dB
Channel-to-channel output separation
f = 1kHz
---
80
---
dB
Input impedance
ZI
See Table 2
M
Ω
Signal-to-noise ratio
PO = 500mW, BTL, G=-2V/V
---
90
---
dB
Output noise voltage
Vn
BTL,G=-2V/V, A Weighted filter
---
45
---
V (rms)
Note :Output power is measured at the output terminals of the IC at 1kHz.
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