G1420
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
Supply Voltage, VCC…………………..…..…….……...6V
Operating Ambient Temperature Range
Power Dissipation (1)
TA ≤ 25°C…………………………………………..2.7W
TA ≤ 70°C…………………………………………..1.7W
TA ≤ 85°C………………….……………………….1.4W
Electrostatic Discharge, VESD
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
Human body mode..…………………….-3000 to 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, TA=+25°C
PARAMETER
SYMBOL
CONDITIONS
Stereo BTL
MIN TYP MAX UNIT
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7
3.5
8
13
8
VDD =3.3V
Stereo SE
Stereo BTL
Stereo SE
Supply Current
IDD
mA
16
10
50
16
10
5
VDD = 5V
4
DC Differential Output Voltage
Supply Current in Mute Mode
VO(DIFF)
IDD(MUTE)
ISD
VDD = 5V,Gain = 2
5
mV
mA
µA
Stereo BTL
Stereo SE
8
VDD = 5V
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4
IDD in Shutdown
VDD = 5V
2
(AC Operation Characteristics, VDD = 5.0V, TA=+25°C, RL = 4Ω, unless otherwise noted)
PARAMETER
SYMBOL
CONDITIONS
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%
MIN TYP MAX UNIT
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1.8
1.12
2
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W
1.4
500
320
650
400
90
Output power (each channel) see Note
P(OUT)
mW
500
150
20
Total harmonic distortion plus noise
THD+N
m%
10
Maximum output power bandwidth
Phase margin
BOM
20
kHz
°
RL = 4Ω, Open Load
60
Power supply ripple rejection
Mute attenuation
PSRR
f = 120Hz
75
dB
85
dB
Channel-to-channel output separation
Line/HP input separation
BTL attenuation in SE mode
Input impedance
f = 1kHz
82
dB
80
dB
85
dB
ZI
2
MΩ
dB
Signal-to-noise ratio
PO = 500mW, BTL
90
Output noise voltage
Vn
Output noise voltage
55
µV (rms)
Note :Output power is measured at the output terminals of the IC at 1kHz.
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.5
Aug 04, 2005
2
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
