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IK Semiconductor |
TECHNICAL DATA
2W+2W AMPLIFIER WITH
DC VOLUME CONTROL
KL7496L
DESCRIPTION
The KL7496L is a stereo 2W+2W class AB power amplifier assembled in the
@ Powerdip 14+3+3 package, specially
designed for high quality sound, TV and Monitor applications.
Features of the KL7496L include linear volume control,
Stand-by and mute functions.
m• 2W+2W OUTPUT POWER
RL = 8Ω @THD = 10% Vcc = 14V
o• ST-BY AND MUTE FUNCTIONS)
• LOW TURN-ON TURN-OFF POP NOISE
.c• LINEAR VOLUME CONTROL DC COUPLED WITH
POWER OP. AMP.
• NO BOUCHEROT CELL
U• NO ST-BY RC INPUT NETWORK
• SINGLE SUPPLY RANGING UP TO 15V
t4• SHORT CIRCUIT PROTECTION
• THERMAL OVERLOAD PROTECTION
e• INTERNALLY FIXED GAIN
• SOFT CLIPPING
e• VARIABLE OUTPUT AFTER VOLUME CONTROL CIRCUIT
• POWERDIP (14+3+3) PACKAGE
www.DataShBLOCK DIAGRAM
ORDERING INFORMATION
KL7496L Plastic
TA = 0° to 70° C
1
KL7496L
Absolute Maximum Ratings
Symbol
Vs
VIN
Tamb
Tstg, Tj
V6
Parameter
DC Supply Voltage
Maximum Input Voltage
Ambient Operating Temperature
Storage and Junction Temperature
Volume CTRL DC voltage
PIN CONNECTION
Value
26
8
0 to 70
-40 to 150
7
Unit
V
Vpp
ºC
ºC
V
Rth with "on board" Square Heatsink vs. copper
area.
GND
GND
GND
INL
VAROUT_L
VOLUME
VAROUT_R
NC
INR
SVR
1
2
3
4
5
6
7
8
9
10
20 GND
19 GND
18 GND
17 OUTL
16 Vs
15 Vs
14 OUTR
13 GND
12 MUTE
11 STBY
THERMAL DATA
Symbol
Rth j-pins
Rth j-amb
(*)
Parameter
Thermal Resistance Junction-pins
Thermal Resistance Junction-ambient
(*) Mounted on PCB with no heatsink
max.
max.
Value
15
50
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (Refer to the test circuit Vs = 14V, RL = 80Ω,Rg = 50 Ω, Tam = 25ºC)
Symbol
Parameter
Test Condition
Min Typ Max Unit
Vs Supply Voltage Range
10 18 V
Iq Total Quiescent Current
25 50 mA
DC/Vos
Output DC Offset Referred to
SVR Potenial
No Input Signal
200 mV
Vo Quiescent Output Voltage
7V
Po Output Power
THD = 10%, RL = 8Ω
1.6 2
W
THD = 1%, RL = 8Ω
1.3 W
THD
Total Harmonic Distortion
Gv = 30dB, Po = 1W, f = 1KHz
0.4 %
Ipeak
Vin
Gv
GvLine
AMin VOL
Output Peak Current
Input Signal
Closed Loop Gain
Monitor Out Gain
Attenuation at Minimum
Volume
(internally limited)
0.7 0.9
Vol Ctrl > 4.5V
28.5 30
Vol Ctrl > 4.5V, Zload > 30KΩ -1.5 0
Vol Ctrl < 0.5V
80
A
2.8 Vrms
31.5 dB
1.5 dB
dB
BW 0.6 MHz
2
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