English
Language : 

G1431_06 Datasheet, PDF (2/14 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier
◁
Global Mixed-mode Technology Inc.
G1431
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
Supply voltage VDD
High-Level Input voltage, VIH
Low-Level Input voltage, VIL
DC Differential Output Voltage
Supply Current in Mute Mode
IDD in Shutdown
SYMBOL
CONDITIONS
VDD
VIH
SHUTDOWN , GAIN0, GAIN1
VIL
SHUTDOWN , GAIN0, GAIN1
VO(DIFF)
IDD
ISD
VDD = 5V,Gain = 2
VDD = 5V Stereo BTL
VDD = 5V
MIN
4.5
2
---
---
---
---
TYP
5
---
---
5
7.5
160
MAX
5.5
---
0.8
50
11
300
UNIT
V
V
V
mV
mA
µA
(AC Operation Characteristics, VDD = 5.0V, TA=+25°C, RL = 4Ω, unless otherwise noted)
PARAMETER
SYMBOL
CONDITIONS
Output power (each channel) see Note
Total harmonic distortion plus noise
Maximum output power bandwidth
P(OUT)
THD+N
BOM
THD = 1%, BTL, RL = 4Ω G=-2V/V
THD = 1%, BTL, RL = 8Ω G=-2V/V
THD = 10%, BTL, RL = 4Ω G=-2V/V
THD = 10%, BTL, RL = 8Ω G=-2V/V
PO = 1.6W, BTL, RL = 4Ω G=-2V/V
PO = 1W, BTL, RL = 8Ω G=-2V/V
THD = 5%
Power supply ripple rejection
Channel-to-channel output separation
PSRR
F=1kHz, BTL mode G=-2V/V
CBYP=1µF
f = 1kHz
Input impedance
ZI
Signal-to-noise ratio
PO = 500mW, BTL, G=-2V/V
Output noise voltage
Vn
BTL,G=-2V/V, A Weighted filter
Note :Output power is measured at the output terminals of the IC at 1kHz.
MIN
---
---
---
---
---
---
---
---
TYP
2
1.2
2.5
1.6
100
60
15
68
MAX
---
---
---
---
---
---
---
---
UNIT
W
m%
kHz
dB
--- 80 ---
See Table 2
--- 90 ---
--- 45 ---
dB
MΩ
dB
µV (rms)
Ver: 1.5
Oct 25, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
2
 ▷