ENA2032 D

Ordering number : ENA2032A
LA4535MC
Monolithic Linear IC
Power Amplifier
for 1.5V Headphone Stereo
http://onsemi.com
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
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Operating Conditions at Ta = 25°C
Parameter
Symbol
Recommended supply voltage
VCC
Operating voltage range
Recommended load resistance
Conditions
Ratings
Unit
1.5
V
VCC op
0.9 to 4.0
V
RL
16 to 32
Ω
Semiconductor Components Industries, LLC, 2013
May, 2013
12313NKPC CAV 20120301-S00006/32112SY No.A2032-1/7
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.A2032-2/7
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.A2032-3/7
100
Hz
f in
=1
kH
z
3
2
1
7
5
3
2
0.1
0.1
12
2
3
5
7
2
1
3
5
7
Output power, PO -- mW
fin=
10k
Hz
=1
kH
z
10
7
5
3
2
1
7
5
3
2
0.1
0.1
10
PO -- VCC
RL=16Ω
fin=1kHz
3
2
f in
10
7
5
VCC=1.2V
RL=32Ω
00Hz
3
2
THD -- PO
100
7
5
fin=1
f in=
10k
Hz
VCC=1.2V
RL=16Ω
Total harmonic distortion, THD -- %
THD -- PO
100
7
5
fin=
Total harmonic distortion, THD -- %
LA4535MC
8
2
3
5
2
1
3
5
7
10
PO -- VCC
RL=32Ω
fin=1kHz
THD=10%
7
Output power, PO -- mW
THD=10%
Output power, PO -- mW
Output power, PO -- mW
10
8
6
THD=1%
4
6
THD=1%
4
2
2
0
0.5
1
1.5
2
2.5
3
0
0.5
4
3.5
1
1.5
Supply voltage, VCC -- V
THD -- fin
10
2
VCC=0.9V
1
VCC=1.2V
7
5
3
2
0.1
0.01
200
Power dissipation, Pd -- mW
Total harmonic distortion, THD -- %
3
2 3
5 7 0.1
2 3
5 7 1
2 3
5 7 10
2 3
Frequency, fin -- kHz
V
=3
C
VC
5
=1.
V CC
50
1.2
4
3.5
4
1
0.8
0.6
100
150
100
3.5
V
0
1
1.5
2
2.5
3
Supply voltage, VCC -- V
Pd -- PO
fin=1kHz
RL=16Ω
3
PO=0.5mW
fin=1kHz
RL=16Ω
0.4
0.5
5 7100
Supply current, ICCOP -- mA
Total harmonic distortion, THD -- %
5
2.5
THD -- VCC
1.4
PO=0.5mW
RL=16Ω
7
2
Supply voltage, VCC -- V
ICCOP -- PO
VCC=3V
fin=1kHz
RL=16Ω
80
60
40
20
0
1
2
3
5
7
10
2
3
Output power, PO -- mW/ch
5
7
100
1
2
3
5
7
10
2
3
Output power, PO -- mW/ch
5
7
100
No.A2032-4/7
LA4535MC
Vg -- fin
Voltage gain, Vg -- dB
25
20
15
10
0.01
Output noise voltage, Vno -- µVrms
40
2 3
5 7 0.1
2 3
5 7 1
2 3
5 7 10
2 3
Frequency, fin -- kHz
30
25
1
1.5
2
2.5
3
3.5
20
CT -- fin
2
2.5
3.5
3
4
40
35
30
2
3
5 7 1
2
3
5 7 10
2
3
5 7 100
Signal source resistance, Rg -- kΩ
CT -- VCC
VO=-20dBm
fin=100Hz
Rg=1kΩ
RL=16Ω
50
40
1.5
Vno -- Rg
55
VCC=1.2V
VO=-20dBm
Rg=1kΩ
RL=16Ω
50
1
VCC=2.5V
RL=16Ω
25
0.1
4
Crosstalk, CT -- dB
Crosstalk, CT -- dB
22.5
Supply voltage, VCC -- V
Supply voltage, VCC -- V
60
25
45
35
20
0.5
VO=-20dBm
fin=1kHz
RL=16Ω
Cout=220µF
17.5
0.5
5 7 100
Vno -- VCC
Rg=1kΩ
RL=16Ω
Vg -- VCC
27.5
VCC=1.2V
VO=-20dBm
RL=16Ω
Cout=220µF
Output noise voltage, Vno -- µVrms
Voltage gain, Vg -- dB
30
45
40
30
0.01
5 7 0.1
2 3
5 7 1
2 3
5 7 10
2 3
Frequency, fin -- kHz
35
0.5
5 7100
2
2.5
3
3.5
4
VCC=1.2V
RL=16Ω
7
5
3
On-time -- msec
60
1.5
AMP On-time -- Cref
1000
VCC=1.2V
VO=-20dBm
f=100Hz
Rg=1kΩ
RL=16Ω
1
Supply voltage, VCC -- V
CT -- Cref
70
Crosstalk, CT -- dB
2 3
50
40
2
100
7
5
3
30
2
20
10
1
2
3
5
7
10
2
Capacitance, Cref -- µF
3
5
7
100
1
2
3
5
7
10
2
Capacitance, Cref -- µF
3
5
7
100
No.A2032-5/7
LA4535MC
SVRR -- Cref
70
VCC=1.0V
VR=-30dBm
Rg=1kΩ
RL=16Ω
60
55
SVRR -- dB
SVRR -- dB
60
SVRR -- f
65
VCC=1.0V
VR=-30dBm
f=100Hz
Rg=1kΩ
RL=16Ω
50
50
45
40
40
30
2
1
60
5
7
2
10
3
5
Capacitance, Cref -- µF
7
SVRR -- VCC
VR=-30dBm
f=100Hz
Rg=1kΩ
RL=16Ω
50
45
2 3
5 7 0.1
2 3
5 7 1
2 3
5 7 10
2 3
5 7 100
Frequency, f -- kHz
VMT -- fin
--85
55
SVRR -- dB
35
0.01
100
Mutting level, VMT -- dBm
65
3
VCC=0.9V
Vin=-10dBm
RL=16Ω
V1=0.85V
V10=0.3V
--90
Same characteristics
during power-off mode
--95
--100
40
35
0.5
1
1.5
2
2.5
3
3.5
--105
0.01
4
Supply voltage, VCC -- V
--90
VMT -- VCC
Vin=-10dBm
fin=100Hz
RL=16Ω
V1=0.85V
V10=0.3V
9
Same characteristics
during power-off mode
Quiescent current drain, ICCO -- mA
Mutting level, VMT -- dBm
--85
--95
--100
--105
0.5
Pin voltage -- V
5 7 0.1
5 7 1
2 3
5 7 10
2 3
5 7 100
ICCO -- VCC
V1=0.85V
no load
no signal
8
2 3
Frequency, fin -- kHz
7
te
Mu
6
off
5
4
3
n
Mute o
2
1
0
1
1.5
2
2.5
3
3.5
4
Supply voltage, VCC -- V
1
2 3
V1=0.85V
V10=0.85V
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Supply voltage, VCC -- V
Pin voltage -- VCC
0.8
REF (5pin)
0.6
OUT (7pin, 9pin)
0.4
0.2
0
0.5
1
1.5
2
2.5
3
3.5
4
Supply voltage, VCC -- V
No.A2032-6/7
LA4535MC
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PS No.A2032-7/7
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