RT5508WSC datasheet(4/57 Pages) RICHTEK

4 / 57 page

RT5508

is a registered trademark of Richtek Technology Corporation

www.richtek.com

DS5508-01

March

2017

Absolute Maximum Ratings

(Note 1)



VBAT, VBST, VINB, PVDD ------------------------------------------------------------------------------

–0.3 to 6V



DVDD ---------------------------------------------------------------------------------------------------------

–0.3 to 2.5V



LRCK, BCK, DATA I/O------------------------------------------------------------------------------------

–0.3 to (DVDD + 0.3V)



SCL, SDA ----------------------------------------------------------------------------------------------------

–0.3 to 6V



Power Dissipation, PD @ TA = 25C

WL-CSP-29B 2.87x2.07 (BSC) -------------------------------------------------------------------------

3W



Package Thermal Resistance

(Note 2)

WL-CSP-29B 2.87x2.07 (BSC),

JA ------------------------------------------------------------------- 33.3C/W



Lead Temperature (Soldering, 10 sec.)---------------------------------------------------------------

260C



Junction Temperature -------------------------------------------------------------------------------------

150C



Storage Temperature Range ----------------------------------------------------------------------------

65C to 150C



ESD Susceptibility

(Note 3)

HBM (Human Body Model) ------------------------------------------------------------------------------

2kV

Recommended Operating Conditions

(Note 4)



Ambient Temperature Range----------------------------------------------------------------------------

40C to 85C



Junction Temperature Range ---------------------------------------------------------------------------

40C to 125C

Electrical Characteristics

(VBAT = 3.6V, TA = 25C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Power Supplies

Speaker Amp Supply Voltage PVDD

2.7

3.6

5.5

Battery Supply Voltage

VBAT

2.7

3.6

5.3

Boost Converter Input

Voltage

VINB

2.7

5.3

Shutdown Current (VBAT)

ISD_VBAT

VBAT = 2.7 to 5.3V, DVDD = 1.8V

A

VBAT = 2.7 to 5.3V, DVDD = 0V

Shutdown Current (DVDD)

ISD_DVDD VBAT = 2.7 to 5.3V, DVDD = 1.8V

A

Offset Voltage

Vos

PVDD = 2.7 to 5.3V

DAC to Stereo Speaker Amplifier

Signal to Noise Ratio

SNR

PVDD = 5.3V, THD+N < 1%, DA Gain =

12dB, A-Weighting

Noise level

DA Gain = 0dB, A-Weighting

V

DA Gain = 12dB, A-Weighting

Total Harmonic Distortion +

Noise

THD+N

1kHz, Po = 350mW, 8

, load

65

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