Product Information

CS35L32-CWZR

CS35L32-CWZR electronic component of Cirrus Logic

Datasheet
Cirrus Logic Audio Amplifiers IC Boosted Amp with Speaker Protection

Manufacturer: Cirrus Logic
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



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Obsolete
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MOQ : 1
Multiples : 1

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CS35L32-CWZR
Cirrus Logic

1 : USD 3.8992
10 : USD 3.2469
25 : USD 3.1016
100 : USD 2.7381
6000 : USD 2.0121
N/A

Obsolete
     
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RoHS - XON
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CS35L32 Boosted Class D Amplifier with Speaker-Protection Monitoring and Flash LED Drivers Mono Class D Speaker Amplifier Flash LED Drivers Two-level Class G operation: Integrated dual LED drivers using the following: Boosted: 5 V nominal Boost supply output voltage Bypassed: battery voltage is supplied directly Dual matched current regulators, 750 mA max each 2.5-mA quiescent current, monitors powered down Programmable setting for Flash Mode current: 50750 mA, in 50-mA steps 1.7 W into 8 (@ 10% THD+N) Programmable setting for Flash-Inhibit Mode current: 102-dB signal-to-noise ratio (SNR, A-weighted) 50350 mA, in 50-mA steps Idle channel noise 25 Vrms (A-weighted) Programmable setting for Movie Mode current: 90% efficiency 150, 120, 100, 80, 60, 40, 20 mA Programmable flash timer setting: Audio Input and Gain 50500 ms, in 25-ms steps One differential analog input Dedicated pin for flash trigger (FLEN) Speaker gain: Dedicated pin for flash inhibit (FLINH) 9, 12, 15, and 18 dB and mute Thermally managed through boost-voltage regulation Pop suppression, zero-crossing detect transitions (Features continue on page 2) SPKR VP VBST SW IREF+ VA SUPPLY FLEN FLINH FLOUT1 FLOUT2/AD0 Current Sense ADC GNDPLED Control, Current Mode Synchronous Bandgap Sensing, Boost Controller Voltage Soft Ramp and Fault Generation Protection VCOM Low Battery Management Flash LED Current Driver 2 Class G I C Class G Override Class D Power Stage V REF SPKR SUPPLY FILT+ Temperature Overtemp Generation Class D Front End Sensor Protection VREF Class D Modulator SPKOUT+ IN+ + SPKOUT/ VSENSE IN Short Circuit Protection 9,12,15, or Power 18 dB + Mute GNDP Budgeting VMON ADC VSENSE+ Error Front End ADC LP MCLK Watchdog VSENSE IMON ADC GNDA ISENSE+ Serial Port ISENSE+ Range Front End Clock Generation ADC Scaling LP ISENSE/ ISENSE VSENSE+ LRCK SCLK Serial Audio/Data Port IC Control Port Level Shifters SCLK LRCK SDOUT SCL SDA RESET INT Copyright Cirrus Logic, Inc. 20122015 DS963F5 (All Rights Reserved) AUG 15 CS35L32 Error status bit, including the following: Monitors and Protection Stopped MCLK error Protection: Low battery detection with programmable thresholds Latched overtemperature shutdown VP UVLO error Latched amplifier output short circuit shutdown Overtemperature warning LED short or open detection and LED driver shutdown Overtemperature error Flash inhibit LED current reduction Boost converter overvoltage error Low battery flash LED current reduction Boost inductor current-limiting error VP undervoltage lockout (UVLO) shutdown Amplifier short-circuit error Programmable boost inductor current limiting Shorted or open LED error Audio and LED shutdown upon stopped MCLK, with autorecovery 2 I S Reporting Interrupt driven error reporting Monitoring: Speaker current and voltage monitoring: Speaker voltage monitor 16-bit resolution Speaker current monitor 60-dB dynamic range (unweighted) for voltage Battery voltage monitor 56-dB dynamic range (unweighted) for current Error reporting: 2 Bused over I S bus VP UVLO shutdown error Battery voltage monitoring: Overtemperature warning 7-bit resolution Overtemperature error 2 2 Bused over I S and I C bus Boost converter overvoltage error System reset Boost inductor current limiting error 2 I C Control Settings and Registers Amplifier short-circuit error Low-power standby Speaker voltage monitor overflow error LED and audio power budgeting programmable settings Speaker current monitor overflow error Boost inductor current limit programmable setting Battery voltage monitor overflow error Speaker programmable settings: Status reporting: Pop suppression through zero-crossing transitions Power-down done Gain and mute LED flash event Battery voltage monitor register, 8 bits LED Movie Mode event LED driver programmable settings: Flash timer on Flash current register Package Flash inhibit current register 30-ball WLCSP Movie Mode current register Applications Flash timer register Smart phones Tablets General Description The CS35L32 is a low-quiescent power-integrated audio IC, with a mono full-bridge Class D speaker amplifier operating with a self-boosted Class G supply. Audio input is received differentially. Pop-and-click reduction is achieved with zero- crossing transitions at turn-on, turn-off and upon gain changes. Communication with the host processor is done using an 2 2 I C interface. In addition, an I S bus is used to send monitor and status data. 2 When two CS35L32 devices are available on the same board, each is identified by its I C chip address. Upon power-up 2 or upon deasserting RESET, each CS35L32 reads the AD0 pin logic level and configures its I C device address. The speaker amplifier, using closed-loop modulation, achieves low levels of distortion. Class D amplifier efficiency allows operation at higher speaker power levels without generating excessive heat and without wasting power. Automatic Class G operation using a boosted supply to the speaker allows for even higher powers and higher crest factor. With a boosted speaker supply, operation at a fixed 5 V is achieved independently of line supplied battery voltage. The user can disable Class G operation. 2 DS963F5

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Cirrus
CIRRUS LOGIC
Cirrus Logic Inc
Cirrus Logic Inc.
Wolfson
Wolfson / Cirrus Logic
WOLFSON MICROELECTRONICS
Wolfson Microelectronics PLC

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