Global Mixed-mode Technology Inc.
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
G1420
Power Dissipation
(1)
T
A
≤
25°C…………………………………………..2.7W
T
A
≤
70°C…………………………………………..1.7W
T
A
≤
85°C………………….……………………….1.4W
Electrostatic Discharge, V
ESD
Human body mode..…………………….-3000 to 3000
(2)
Note:
(1)
(2)
: Recommended PCB Layout
: 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 Current
SYMBOL
I
DD
V
DD
= 5V
CONDITIONS
V
DD
=3.3V
Stereo BTL
Stereo SE
Stereo BTL
MIN
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TYP
7
3.5
8
4
5
8
4
2
MAX
13
8
16
10
50
16
10
5
UNIT
mA
DC Differential Output Voltage
Supply Current in Mute Mode
I
DD
in Shutdown
V
O(DIFF)
I
DD(MUTE)
I
SD
Stereo SE
V
DD
= 5V,Gain = 2
Stereo BTL
V
DD
= 5V
Stereo SE
V
DD
= 5V
mV
mA
µA
(AC Operation Characteristics, V
DD
= 5.0V, T
A
=+25°C, R
L
= 4Ω, unless otherwise noted)
PARAMETER
SYMBOL
CONDITIONS
THD = 1%, BTL, R
L
= 4Ω
THD = 1%, BTL, R
L
= 8Ω
THD = 10%, BTL, R
L
= 4Ω
THD = 10%, BTL, R
L
= 8Ω
THD = 1%, SE, R
L
= 4Ω
THD = 1%, SE, R
L
= 8Ω
THD = 10%, SE, R
L
= 4Ω
THD = 10%, SE, R
L
L = 8Ω
THD = 0.5%, SE, R
L
= 32Ω
P
O
= 1.6W, BTL, R
L
= 4Ω
P
O
= 1W, BTL, R
L
= 8Ω
P
O
= 75mW, SE, R
L
= 32Ω
V
I
= 1V, RL = 10KΩ, G = 1
G = 1, THD = 1%
R
L
= 4Ω, Open Load
f = 120Hz
f = 1kHz
MIN
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TYP
1.8
1.12
2
1.4
500
320
650
400
90
500
150
20
10
20
60
75
85
82
80
85
2
90
55
MAX
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UNIT
W
Output power (each channel) see Note
P
(OUT)
mW
Total harmonic distortion plus noise
THD+N
m%
Maximum output power bandwidth
Phase margin
Power supply ripple rejection
Mute attenuation
Channel-to-channel output separation
Line/HP input separation
BTL attenuation in SE mode
Input impedance
Signal-to-noise ratio
Output noise voltage
B
OM
PSRR
kHz
°
dB
dB
dB
dB
dB
MΩ
dB
µV (rms)
ZI
V
n
P
O
= 500mW, BTL
Output noise voltage
Note :Output power is measured at the output terminals of the IC at 1kHz.
Ver: 1.5
Aug 04, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
2
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
