Power Amplifier. LA42207 Datasheet

LA42207 Amplifier. Datasheet pdf. Equivalent

Part LA42207
Description 7W x 2ch Power Amplifier
Feature Ordering number : ENA1103 LA42207 Monolithic Linear IC Audio Output for TV application 7W × 2ch Po.
Manufacture SANYO
Datasheet
Download LA42207 Datasheet



LA42207
Ordering number : ENA1103
LA42207
Monolithic Linear IC
Audio Output for TV application
7W × 2ch Power Amplifier
Overview
The LA42207 is a 7W 2-channel power amplifier IC and optimal for use as the audio output power amplifier in TV
application
Functions
7W × 2 channels (VCC = 11.5V, RL = 8Ω)
Built-in standby function.
Built-in mute function.
Built-in various protection circuit (short to VCC/short to ground/load shorting/overheating).
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Maximum output current
Maximum junction temperature
Thermal resistance
Operating temperature
Storage temperature
Symbol
VCC max
Pd max
IO peak
Tj max
θjc
Topr
Tstg
Conditions
No signal
Infinitely large heat sink
Per channel
Ratings
16
30
1.0
150
2.5
-20 to +75
-40 to +150
Unit
V
W
A
°C
°C/W
°C
°C
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Recommended load resistance
Allowable operating supply
voltage range
Symbol
VCC
RL
VCC op
Conditions
Under conditions such that
maximum ratings are not exceeded
Ratings
11.5
8
7 to 15
Unit
V
Ω
V
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
31208 MS PC 20080221-S00002 No.A1103-1/7



LA42207
LA42207
Electrical Characteristics at Ta = 25°C, VCC = 11.5V, RL = 8Ω, f = 1kHz, Rg = 600Ω
Parameter
Standby current
Symbol
Ist
Conditions
Amplifier OFF
Ratings
min typ max
Unit
0 10 μA
Quiescent current
Output power
Total harmonic distortion
Voltage gain
Output noise voltage
Ripple rejection ratio
Channel separation
Mute attenuation value
Mute control voltage (pin 7)
ICCO
PO1
THD
VG
VNO
SVRR
CH.Sep
ATT
Vmute
Rg = 0, RL = OPEN
THD = 10%
PO = 1W
VO = 0dBm
Rg = 0, BPF = 20Hz to 20kHz
Rg = 0, fR = 100Hz, VCCR = 0dBm
Rg = 10kΩ, VO = 0dBm
VO = 1Vrms, BPF = 20Hz to 20kHz
Mute ON *1
35 70
67
0.06
30 32
0.2
40 50
50 60
80 90
1.5
140 mA
W
0.2 %
34 dB
0.4 mVrms
dB
dB
dB
3.0 V
Mute OFF
0 0.5 V
Standby control voltage (pin 6)
Vst Amplifier ON *1
Amplifier OFF
2.5
VCC
V
0 0.5 V
Input resistance
Ri
21 30 39 kΩ
*1 : Note that the standby pin (pin 6) and MUTE pin (pin 7) incorporate the anti-electrostatic diode allowing the current to flow through the diode when the
potential of VCC (pin 9) decreases below that of pin 6 or 7.
Package Dimensions
unit : mm (typ)
3336
(R1.75)
21.6
(20.0)
(11.0)
HEAT SPREADER
3.0
1
(1.91)
1.27
15
0.7
0.4
2.54 2.54
SANYO : HZIP15
Pd max – Ta
40.0
Aluminum heat sink mounting conditions
Tightening torque : 39N.cm
Infinitely large heat sink
30.0
silicone grease applied
θjc = 2.5°C/W
20.0
5°C/W heat sink
16.7
10°C/W heat sink
10.0
20°C/W heat sink
5.6
0
20 0
20 40
60 80 100 120 140
Ambient temperature, Ta – °C
No.A1103-2/7





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