TDA7388
Preliminary
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Operating Supply Voltage
VCC
18
V
DC Supply Voltage
VCC(DC)
28
V
Peak Supply Voltage (t = 50ms)
VCC(PK)
50
V
Repetitive (Duty Cycle 10%
Output Peak Current at f = 10Hz)
IO
Non Repetitive (t = 100µs)
4.5
A
5.5
A
Power Dissipation (TC= 70°C)
PD
80
W
Junction Temperature
TJ
150
°C
Storage Temperature
TSTG
-55 ~ 150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
Junction to Case
SYMBOL
θJC
RATINGS
1
UNIT
°C /W
ELECTRICAL CHARACTERISTICS (VS =14.4V, f =1KHz, RG=600Ω, RL=4Ω, TA =25°C, Refer to the
Test and application diagram, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Quiescent Current
IQ1 RL=∞
120
Output Offset Voltage
VOS Play Mode
During Mute ON/OFF Output
Offset Voltage
∆VOS
Voltage Gain
GV
25
Output Power
PO THD = 10%, VS= 14.4V
22
Max. Output Power (Note 1)
PO(MAX) VS= 14.4V
38
Distortion
THD PO= 4W
Output Noise
"A" Weighted
eNO BW = 20Hz ~ 20KHz
Supply Voltage Rejection
SVR f = 100Hz, VR= 1Vrms
50
High Cut-Off Frequency
fCH PO= 0.5W
100
Input Impedance
RI
70
Cross Talk
CT
f = 1KHz, PO = 4W
f = 10KHz, PO = 4W
60
50
St-By Current Consumption
ISB
St-By OUT Threshold Voltage
VSB(OUT) (Amp: ON)
3.5
St-By IN Threshold Voltage
VSB(IN) (Amp: OFF)
Mute Attenuation
AM PO(REF)= 4W
80
Mute OUT Threshold Voltage
VM(OUT) (Amp: Play)
3.5
Mute IN Threshold Voltage
VM(IN) (Amp: Mute)
VS Automute Threshold
VAM(IN)
(Amp: Mute), Att≥80dB, PO(REF)=4Ω
(Amp: Play), Att <0.1dB, PO= 0.5Ω
Muting Pin Current
IPIN22 VMUTE= 1.5V (Source Current)
5
Note: 1. Saturated square wave output.
TYP
190
26
26
41
0.04
50
70
65
200
100
70
60
90
7.6
11
MAX
350
±80
±80
27
0.15
70
100
50
1.5
1.5
6.5
8.5
20
UNIT
mA
mV
mV
dB
W
W
%
µV
µV
dB
KHz
KΩ
dB
dB
µA
V
V
dB
V
V
V
V
µA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R107-067.a