STK4142 Datasheet, PDF (1/1 Pages) Inchange Semiconductor Company Limited – AF Power Amplifier

Thick Film Hybrid IC
STK4142
AF Power Amplifier (Split Power Supply)
INCHANGE
‹ Features
the STK4142 series and STK4101V series
(high-grade type) are pin-campatible in the out-
put range of 6 to 50W and enable easy design
Built-in muting circuit to cut off various kinds
of pop noise
Greatly reduced heat sink due to substrate
temperature125 guaranteed
Excellent cost performance
Package Dimensions
unit:mm
Specifications
‹ Maximum Ratings at Ta=25
Parameter
Maximum supply voltage
Thermal resistance
Junction temperature
Operating substrate temperature
Storage temperature
Available time for load short-circuit
Symbol
V_CC max
j-c
Tj
Tc
Tstg
ts
Conditions
V_CC=26V,R _L=8,f=50Hz,P _O=25W
Ratings
39
2.6
150
125
-30 to+125
2
UNIT
V
/W
s
‹ Recommended operating conditions at Ta=25
Parameter
Symbol
Conditions
Ratings
Recommended supply voltage
V_CC
26
Load resistance
R_L
8
‹ Operating characteristics at Ta=25 ,V_CC=26V,RL=8 ,Rg=600 ,VG=40dB,
R_L:non-inductive load
Parameter
Symbol
Conditions
min
typ
max
Quiescent current
Output power
I_CCO
P_O (1)
P_O (2)
V_CC=31V
THD=0.4%
f=20Hz to 20kHz
V_CC=22V,THD=1.0%
R_L=4,f=1kHz
20
40
100
25
25
Total harmonic distortion
Frequency response
THD
f_L, f_H
P_O=1.0W,f=1kHz
+0
P_O=1.0W, dB
-3
0.3
20 to
50k
Input impedance
r_j
P_O=1.0W,f=1kHz
55
Output noise voltage
V_NO
V_CC=31V,Rg=10 k
1.2
Neutral voltage
V_N
V_CC=31V
-70
0
+70
Muting voltage
V_M
-2
-5
-10
UNIT
V
unit
mA
W
W
%
Hz
k
mVrms
mV
V