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RT5508WSC Datasheet(PDF) 5 Page - Richtek Technology Corporation

Part # RT5508WSC
Description  Speaker Amplifier with Speaker Protection
PDF  57 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT5508WSC Datasheet(HTML) 5 Page - Richtek Technology Corporation

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RT5508
Copyright © 2017 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS5508-01
March
2017
www.richtek.com
5
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Maximum Output Power
Po
1kHz, PVDD = 3.6V, 8
 load,
1%THD+N
--
0.65
--
W
1kHz, PVDD = 5.3V, 8
 load,
1%THD+N
1.5
1.6
--
W
Power Supply Rejection
Ratio
PSRR
217Hz ripple = 200mVpp, Boost active
--
80
--
dB
Quiescent Current (VBAT)
IQ_VBAT
Normal operation, Speaker protection
Bypassed
--
2
--
mA
Quiescent Current (DVDD)
IQ_DVDD
Normal operation, Speaker protection
Bypassed
--
12
--
mA
Efficiency
η
Output efficiency, 1kHz, Boost active
--
80
--
%
Over-Temperature
Protection
OTP
130
--
150
°C
Over-Current Protection
OCP
1.5
--
--
A
The Recovery Time of SC
--
200
--
ms
Under-Voltage Protection
UVP
2.2
2.4
--
V
I2C Interface Electrical Characteristics
(Note 5)
SDA, SCL Input Threshold
VIH
0.7 x
DVDD
--
--
V
VIL
--
--
0.3 x
DVDD
V
Pull-Down Current
IFO2
--
2
--
A
Digital Output Low (SDA)
VOL
IPULLUP = 3mA
--
--
0.4
V
Clock Operating Frequency
fSCL
--
--
400
kHz
Bus Free Time Between Stop
and Start Condition
tBUF
1.3
--
--
s
Hold Time After (Repeated)
Start Condition
tHD,STA
0.6
--
--
s
Repeated Start Condition
Setup Time
tSU,STA
0.6
--
--
s
Stop Condition Time
tSU,STD
0.6
--
--
s
Data Hold Time
tHD,DAT
(OUT)
225
--
--
ns
Input Data Hold Time
tHD,DAT
(IN)
0
--
900
ns
Data Setup Time
tSU,DAT
100
--
--
ns
Clock Low Period
tLOW
1.3
--
--
s
Clock High Period
tHIGH
0.6
--
--
s
Clock Data Fall Time
tF
20
--
300
ns
Clock Data Rise Time
tR
20
--
300
ns
Spike Suppression Time
tSP
--
--
50
ns



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