G1427 Datasheet, PDF (2/16 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier

Global Mixed-mode Technology Inc.
G1427
Absolute Maximum Ratings
Supply Voltage, V_CC…………………..…..…….….…...6V
Operating Ambient Temperature Range
T_A…….…………………………….……….-40°C to +85°C
Maximum Junction Temperature, T_J…..……….….150°C
Storage Temperature Range, T_STG….…-65°C to+150°C
Reflow Temperature (soldering, 10sec)……..……260°C
Power Dissipation ⁽¹⁾
T_A ≤ 25°C ………...….…………………………..2.7W
T_A ≤ 70°C ………...….…………………………..1.7W
Electrostatic Discharge, V_ESD
Human body mode..…………………….…………3000⁽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, T_A=+25°C
PARAMETER
Supply voltage VDD
High-Level Input voltage, V_IH
Low-Level Input voltage, V_IL
DC Differential Output Voltage
Supply Current in Mute Mode
I_DD in Shutdown
SYMBOL
CONDITION
V_DD
V_IH
SE/ BTL , HP/ LINE , SHUTDOWN , GAIN0,
GAIN1
V_IL
SE/ BTL , HP/ LINE , SHUTDOWN , GAIN0,
GAIN1
V_O(DIFF)
I_DD
V_DD = 5V,Gain = 2
V_DD = 5V
Stereo BTL
Stereo SE
I_SD
V_DD = 5V
MIN
4.5
2
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TYP
5
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MAX
5.5
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UNIT
V
V
---
0.8
V
5
50
mV
7.5
13
mA
4
7
160 300
µA
(AC Operation Characteristics, V_DD = 5.0V, T_A=+25°C, R_L = 4Ω, unless otherwise noted)
PARAMETER
SYMBOL
CONDITION
THD = 1%, BTL, R_L = 4Ω G=-2V/V
Output power (each channel) see Note
P_(OUT)
THD = 1%, BTL, R_L = 8Ω G=-2V/V
THD = 10%, BTL, R_L = 4Ω G=-2V/V
THD = 10%, BTL, R_L = 8Ω G=-2V/V
THD = 0.1%, SE, R_L = 32Ω
P_O = 1.6W, BTL, R_L = 4Ω G=-2V/V
Total harmonic distortion plus noise
THD+N ^{PO = 1W, BTL, RL = 8Ω G=-2V/V}
P_O = 75mW, SE, R_L = 32Ω
V_I = 1V, RL = 10KΩ, SE
Maximum output power bandwidth
B_OM THD = 5%
Power supply ripple rejection
PSRR F=1kHz, BTL mode G=-2V/V
C_BYP=1µF
Channel-to-channel output separation
f = 1kHz
Line/HP input separation
BTL attenuation in SE mode
Input impedance
ZI
Signal-to-noise ratio
P_O = 500mW, BTL, G=-2V/V
Output noise voltage
V_n
BTL, G=-2V/V, A Weighted filter
Note :Output power is measured at the output terminals of the IC at 1kHz.
MIN
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TYP
2
1.25
2.5
1.6
85
100
60
80
30
>15
68
MAX
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UNIT
W
mW
m%
kHz
dB
--- 80 ---
--- 80 ---
--- 85 ---
See Table 2
--- 90 ---
--- 45 ---
dB
dB
dB
MΩ
dB
µV (rms)
Ver: 1.3
Sep 23, 2005
TEL: [phone]
http://www.gmt.com.tw
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