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G1421 Datasheet, PDF (3/24 Pages) Global Mixed-mode Technology Inc – 2W Stereo Audio Amplifier with No Headphone Coupling Capacitor Function
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Global Mixed-mode Technology Inc.
G1421
(AC Operation Characteristics, VDD = 3.3V, TA=+25°C, RL = 4Ω, unless otherwise noted)
PARAMETER
SYMBOL
CONDITION
Output power (each channel) see Note
Total harmonic distortion plus noise
Maximum output power bandwidth
Phase margin
Power supply ripple rejection
P(OUT)
THD+N
BOM
PSRR
THD = 1%, BTL, RL = 4Ω
THD = 1%, BTL, RL = 8Ω
THD = 10%, BTL, RL = 4Ω
THD = 10%, BTL, RL = 8Ω
THD = 1%, SE, RL = 4Ω
THD = 1%, SE, RL = 8Ω
THD = 10%, SE, RL = 4Ω
THD = 10%, SE, RL L = 8Ω
THD = 0.5%, SE, RL = 32Ω
PO = 1.6W, BTL, RL = 4Ω
PO = 1W, BTL, RL = 8Ω
PO = 75mW, SE, RL = 32Ω
VI = 1V, RL = 10KΩ, G = 1
G = 1, THD 1%
RL = 4Ω, Open Load
f = 120Hz
Mute attenuation
Channel-to-channel output separation
f = 1kHz
Line/HP input separation
BTL attenuation in SE mode
Input impedance
ZI
Signal-to-noise ratio
Output noise voltage
PO = 500mW, BTL
Vn
Output noise voltage
Note :Output power is measured at the output terminals of the IC at 1kHz.
MIN
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TYP
0.8
0.5
1
0.6
230
140
290
180
43
270
100
20
10
20
60
75
85
80
80
85
2
90
55
MAX UNIT
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W
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--- mW
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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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dB
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MΩ
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dB
--- µV (rms)
Ver: 1.6
Aug 04, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
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