SANYO LA4535MC

Ordering number : ENA2032
Monolithic Linear IC
For 1.5V Headphone Stereo
LA4535MC
Power Amplifier
Features
• Low current drain.
• 16Ω load drive capability.
• Excellent reduced voltage characteristics.
• Excellent power supply ripple rejection.
• Minimum number of external parts required (no input capacitor, feedback capacitor required).
• Less harmonic interference in radio band.
• On-chip power switch function, muting function.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Symbol
VCC max
Conditions
Ratings
Quiescent
Pd max
Unit
4.5
V
290
mW
Operating temperature
Topr
−20 to +75
°C
Storage temperature
Tstg
−40 to +125
°C
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating voltage range
Recommended load resistance
Symbol
VCC
Conditions
Ratings
Unit
1.5
V
VCC op
0.9 to 4.0
V
RL
16 to 32
Ω
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. 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 new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) 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.
32112 SY 20120301-S00006 No.A2032-1/4
LA4535MC
Electrical Characteristics at Ta = 25°C, RL = 16Ω, Rg = 600Ω, See specified Test Circuit.
Ratings
Parameter
Symbol
Conditions
Unit
min
Quiescent current *1
typ
max
ICCO1
VCC = 1.2V, quiescent
3.5
6.0
mA
ICCO2
VCC = 2.5V, pin 10 → GND
1.5
2.5
mA
ICCO3
VCC = 2.5V, pin 1 → GND
1.0
μA
VG1
VCC = 1.2V, f = 1kHz, VO = −20dBm
20.5
22
23
dB
VG2
VCC = 0.9V, f = 1kHz, VO = −20dBm
19.5
22
23
dB
ΔVG1
VCC = 1.2V, f = 1kHz, VO = −20dBm
1.0
dB
ΔVG2
VCC = 0.9V, f = 1kHz, VO = −20dBm
1.0
dB
Total harmonic distortion
THD
VCC = 1.2V, f = 1kHz, PO = 0.5mW
1.5
%
Output power
PO
VCC = 1.5V, f = 1kHz, THD = 10%
5
8
mW
Crosstalk
CT
VCC = 1.2V, f = 100Hz, Rg = 1kΩ, VO = −20dB
40
45
dB
VCC = 1.0V, f = 100Hz, Rg = 1kΩ, VR = −30dBm,
45
50
dB
Voltage gain
Voltage gain difference
Ripple rejection
SVRR
0.8
BPF = 100Hz
44
μV
Power off effect
VO(off)
VCC = 0.9V, f = 100Hz, pin 1 → GND, VIN = −10dB
-80
dBm
Muting effect
VO(MT)
VCC = 0.9V, f = 100Hz, pin 10 → GND, VIN = −10dB
-80
dBm
1.0
μA
1.0
μA
Output noise voltage
VNO
VCC = 2.5V, Rg = 1kΩ, BPF= 20Hz to 20kHz
Power on current sensitivity
l1(on)
VCC = 0.85V, V5 ≥ 0.5V
Power off voltage sensitivity
V1(off)
VCC = 0.85V, V5 ≤ 0.1V
Muting off current sensitivity
l10(off)
VCC = 0.85V, V5 ≥ 0.5V
Muting on voltage sensitivity
V10(on)
VCC = 0.85V, V5 ≤ 0.1V
30
0.1
0.5
0.65
0.3
0.5
0.65
V
V
Note) The quiescent current is represented by the current flowing into pin 6. The respective maximum currents flowing into pin 1 and pin 10 are calculated
by (V pin −0.5) / 16 [V/ kΩ] and the total current increases by these current values.
Package Dimensions
unit : mm (typ)
3426
5.0
5
0.35
1.75 MAX
0.15
1.5
1.0
0.175
1
0.835
0.37
6.4
6
4.4
10
SANYO : SOIC10
No.A2032-2/4
LA4535MC
Block Diagram
Test Circuit
I1
I10
2
P/SW
3
1
LA4535MC
1
V1
1
1 P/SW
MT/SW 10
MT/SW
4
4
2
2
IN 1
3
PRE GND
4
IN 2
5
REF
Rg
OUT 1
9
POWER
GND
8
OUT 2
7
2
V10
3
+
+
+
SG
VR
RL
1
2
Rg
RL
VCC
+
DC
VCC 6
RIPPLE
A
ICC
Sample Application Circuit
LA4535MC
ON
P/SW
OFF
VR
SG
2
MT/SW 10
OFF
MT/SW
ON
VR
SG
1
1 P/SW
2
IN 1
3
PRE GND
4
IN 2
OUT 1
9
POWER
GND
8
OUT 2
+
RL
+
7
+
+
5
REF
RL
+
VCC
VCC 6
No.A2032-3/4
LA4535MC
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products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd.
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This catalog provides information as of March, 2012.Specifications and information herein are subject to
change without notice.
PS No.A2032-4/4