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LR6311 Datasheet(PDF) 4 Page - Leshan Radio Company

Part # LR6311
Description  3 Watt Mono Filter-Free Class-D Audio Power Amplifier
PDF  13 Pages
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Manufacturer  LRC [Leshan Radio Company]
Direct Link  http://www.lrc.cn/
Logo LRC - Leshan Radio Company

LR6311 Datasheet(HTML) 4 Page - Leshan Radio Company

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Electrical Characteristics
The following specifications apply for the circuit shown in Figure 5.
TA = 25℃, unless otherwise specified.
Spec
Symb
ol
Parameter
Conditions
Min.
Typ.
Max.
Units
ISD
Shutdown Current
VIN=0V, VSDB=0V, No Load
0.4
2
uA
VDD = 2.5V, VIN = 0V, No Load
2.0
VDD = 3.6V, VIN = 0V, No Load
2.6
IQ
Quiescent Current
VDD = 5.5V, VIN = 0V, No Load
3.0
8
mA
OS
V
Output Offset Voltage
VIN = 0V, AV = 2V/V,
VDD = 2.5V to 5.5V
2
25
mV
PSRR Power Supply Rejection Ratio
VDD = 2.5V to 5.5V
-75
dB
CMRR Common Mode Rejection Ratio
VDD = 2.5V to 5.5V,
VIC = VDD/2 to 0.5V,
VIC = VDD/2 to VDD - 0.8V
-68
dB
FSW
Modulation frequency
VDD = 2.5V to 5.5V
200
250
300
kHz
AV
Voltage gain
VDD = 2.5V to 5.5V
I
R
285k
I
R
300k
I
R
315k
V/V
RSDB Resistance from SDB to GND
300
k
ZI
Input impedance
142
150
158
k
TWU
Wake-up time from shutdown
VDD = 3.6V
1
mS
VDD = 2.5V
700
VDD = 3.6V
500
rDS(on) Drain-Source resistance (on-state)
VDD = 5.5V
400
m
Operating Characteristics
VDD = 5V,
RI = 150k , TA = 25℃, unless otherwise specified.
Spec
Symb
ol
Parameter
Conditions
Min.
Typ.
Max.
Units
THD+N=10%, f=1KHz, RL = 4
3.0
THD+N=1%, f=1KHz, RL = 4
2.4
THD+N=10%, f=1KHz, RL = 8
1.7
PO
Output Power
THD+N=1%, f=1KHz, RL = 8
1.4
W
THD+N Total Harmonic
Distortion + Noise
Po=1.0Wrms, f=1kHz, RL = 8
0.19
%
SNR Signal-to-Noise ratio VDD=5V, Po=1.0Wrms, RL = 8
97
dB
VDD = 3.6V,
RI = 150k , TA = 25℃, unless otherwise specified.
Spec
Symb
ol
Parameter
Conditions
Min.
Typ.
Max.
Units
THD+N=10%, f=1KHz, RL = 4
1.5
THD+N=1%, f=1KHz, RL = 4
1.2
THD+N=10%, f=1KHz, RL = 8
0.9
PO
Output Power
THD+N=1%, f=1KHz, RL = 8
0.7
W
THD+N Total Harmonic
Distortion + Noise
Po=0.5Wrms, f=1kHz, RL = 8
0.19
%
KSVR Supply ripple
rejection ratio
VDD = 3.6V, input ac-grounded with CI = 2uF
f=217Hz, V(Ripple)=200mVPP
-68
dB
No weighting
48
Vn
Output voltage noise VDD = 3.6V, input ac-grounded
with CI = 2uF, f=20~20kHz
A weighting
36
uVRMS
CMRR Common Mode
Rejection Ratio
VDD = 3.6V, VIC = 1 VPP, f=217Hz
-70
dB
VDD = 2.5V,
RI = 150k , TA = 25℃, unless otherwise specified.
Parameter
Conditions
Spec
Units
Leshan Radio Co ., Ltd
4/13



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