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G1432 Datasheet, PDF (2/15 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier
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Global Mixed-mode Technology Inc.
G1432
Absolute Maximum Ratings
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . .6V
Input Voltage, VI . . . . . . . . . . . . . . . -0.3V to VDD+0.3V
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)
TSSOP-24 (FD)
TA ≤ 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.7W
TA ≤ 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.7W
TA ≤ 85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.4W
Electrostatic Discharge, VESD
Human body mode . . . . . . . . . . . . . . .-3000 to 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 Current in Mute Mode
DC Differential Output Voltage
IDD in Shutdown
SYMBOL
IDD(MUTE)
VO(DIFF)
ISD
CONDITION
VDD =3.3V
Stereo BTL
VDD = 5V
Stereo BTL
VDD = 5V,Gain = 2
VDD = 5V
MIN
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TYP
7
8
5
2
MAX
13
16
50
5
UNIT
mA
mV
µA
(AC Operation Characteristics, VDD = 5.0V, TA=+25°C, RL = 4Ω, unless otherwise noted)
PARAMETER
Output power (each channel) see Note
Total harmonic distortion plus noise
Maximum output power bandwidth
Phase margin
Power supply ripple rejection
Mute attenuation
Channel-to-channel output separation
SYMBOL
P(OUT)
THD+N
BOM
PSRR
CONDITION
THD = 1%, BTL, RL = 4Ω
THD = 1%, BTL, RL = 8Ω
THD = 10%, BTL, RL = 4Ω
THD = 10%, BTL, RL = 8Ω
PO = 1.6W, BTL, RL = 4Ω
PO = 1W, BTL, RL = 8Ω
VI = 1V, RL = 10KΩ, G = 1
G = 1, THD =1%
RL = 4Ω, Open Load
f = 120Hz
f = 1kHz
IN1/IN2 input separation
Input impedance
ZI
Signal-to-noise ratio
PO = 500mW, BTL
Output noise voltage
Vn
Output noise voltage
Note :Output power is measured at the output terminals of the IC at 1kHz.
MIN
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TYP
1.8
1.2
2
1.4
500
150
10
20
60
75
85
82
80
2
90
55
MAX UNIT
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W
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--- m%
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--- kHz
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°
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dB
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dB
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dB
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dB
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MΩ
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dB
--- µV (rms)
Ver: 1.1
Jun 21, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
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