SM7511 Datasheet, PDF (5/23 Pages) SamHop Microelectronics Corp. – 3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

SAMHOP Microelectronics Corp.
3W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
ELECTRICAL CHARACTERISTICS (VDD =PVDD = 5.5V, Ta = 25^oC unless otherwise noted)
Characteristic
Output offset voltage (measured
differentially)
Symbol
Condition
Min. Typ. Max. Unit
VOO VDD=5.5V,Gain=20dB, SE/BTL=0V
60 mV
Power supply rejection ratio
PSRR VDD=PVDD=4.0V to 5.5V
-42 -70
dB
High-level input current(SE/BTL,FADE
llH
HP/LINE,SHUTDOWN,SEMAX)
High-level input current
(SEDIFF,VOLUME)
llH
Low-level input current(SE/BTL,FADE
HP/LINE,SHUTDOWN,SEMAX)
llL
Supply current, no load
lDD
Supply current,max power into a 3Ω load ^lDD
Supply current,shutdown mode
lDD(SD)
VDD=PVDD=5.5V,
Vl=VDD=PVDD
VDD=PVDD=5.5V , Vl=0V
VDD=PVDD=5.5V,SE/BTL=0V,
SHUTDOWN=2V
VDD=PVDD=5.5V,SE/BTL=5.5V,
SHUTDOWN=2V
VDD=5V=PVDD,SE/BTL=0V,
SHUTDOWN=2V,RL=3Ω,
PO=2W,Stereo
SHUTDOWN=0.0V
1 uA
150 uA
1 uA
5.5 8.0 10
mA
3.0 5.0 6.0
1.5
ARMS
1 20 uA
OPERATING CHARACTERISTICS
(VDD =PVDD = 5V, RL = 3Ω, Gain = 6dB, Ta = 25^oC unless otherwise noted)
Characteristic
Symbol
Condition
Output Power
THD=1%, f=1 kHz
PO
THD=10%, f=1 kHz, VDD=5.5V
Total harmonic distortion+noise
High-level output voltage
Low-level output voltage
Bypass voltage(Nominally VDD/2)
Maximum output power bandwidth
THD+N PO =1W, RL=8Ω, f=20Hz to 20kHz
VOH
VOL
V(BYPASS)
RL=8Ω,
Measured between output and VDD
RL=8Ω,
Measured between output and GND
Measured at pin 17, No load,
VDD=5.5V
BOM
THD=5%
Supply ripple rejection ratio
f=1 kHz, Gain = 0 dB,
BTL
C(BYP) = 1.0uF
SE
Noise output voltage
f= 20 Hz to 20 kHz, Gain=0
dB, C(BYP)= 1.0 uF
BTL
Min.
2.65
Typ. Max. Unit
2
W
3
<0.6
%
500 mV
400 mV
2.75 2.85 V
>20
kHz
-63
dB
-57
40
μVRMS
Page 4
V.1.3 Revised April 02,2007