RT9118 Datasheet, PDF (6/14 Pages) Richtek Technology Corporation – 10W Stereo Class-D Speaker Driver

RT9118
Absolute Maximum Ratings (Note 1)
 Supply Voltage, PVDDL, PVDDR, AVCC ---------------------------------------------------------------- −0.3V to 21V
 Supply Voltage, HPVDD ------------------------------------------------------------------------------------- −0.3V to 5.5V
 Input Voltage, EN, GAIN ------------------------------------------------------------------------------------- −0.3V to (PVDDx + 0.3V)
 Output Voltage, OUTPL,OUTPR,OUTNL,OUTNR ------------------------------------------------------ −0.3V to (PVDDx + 0.3V)
 Bootstrap Voltage, BSTPL,BSTPR,BSTNL,BSTNR --------------------------------------------------- −0.3V to (PVDDx + 6V)
 Other Pins ------------------------------------------------------------------------------------------------------ −0.3V to (GVDD + 0.3V)
 Power Dissipation, P_D @ T_A = 25°C
WQFN-28L 4x5 ------------------------------------------------------------------------------------------------ 3.64W
 Package Thermal Resistance (Note 2)
WQFN-28L 4x5, θ_JA ------------------------------------------------------------------------------------------ 27.4°C/W
WQFN-28L 4x5, θ_JC ------------------------------------------------------------------------------------------ 2°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)
 Supply Input Voltage, HPVDD ------------------------------------------------------------------------------ 4.5V to 5.5V
 Supply Input Voltage, PVDDL, PVDDR, AVCC --------------------------------------------------------- 8V to 17V
 Min. Headphone load, Rhp --------------------------------------------------------------------------------- 16Ω
 Min. Line driver load, Rld ------------------------------------------------------------------------------------ 1kΩ
 Min. SPK load in BTL mode, Rspk (BTL) --------------------------------------------------------------- 4Ω
 Junction Temperature Range ------------------------------------------------------------------------------- −40°C to 125°C
 Ambient Temperature Range ------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(PVDDx = 12V, RL = 8Ω, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Condition
Headphone Power Supply
HPVDD
Gate Drive Supply Voltage
VGVDD IGVDD = 2mA
EN, Gain Input ^{VIH : High-Level VIH}
Voltage
VIL : Low-Level VIL
VIH : High-Level VIH
JD Input Voltage
VIL : Low-Level VIL
JD High-level = headphone mode
JD low-level = speaker mode
EN, Gain, JD
Input Current
VIH : High-Level IIH
VIL : Low-Level IIL
EN, Gain, JD, VI = 5V
EN, Gain, JD, VI = 0.8V
Min Typ Max Unit
4.5 5 5.5 V
--
5 5.5 V
3
--
--
V
-- -- 0.8 V
4
--
--
V
-- -- 0.8 V
-- -- 50 A
-- -- 10 A
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DS9118-00 November 2016