Skip to the content
PCBKitNew board
LM4935RL on a board, in 3D

LM4935RL

Texas Instruments

-40℃~+85℃ 0.4% 1-Channel 1.3Wx1@8Ω、52mWx2@16Ω 2.7V~5.5V 54dB 76dB 84% Automatic mute/no-noise switch、Enable/shutdown function、Digitally programmable gain、Analog voltage gain、Built-in audio processing、Integrated PLL DSBGA-49 Audio Amplifiers ROHS

Extended
Category
Audio Amplifiers
Package
DSBGA-49
Pins
49

Overview

The LM4935RL is an audio Amplifier made by Texas Instruments in a DSBGA-49 package with 49 pins. -40℃~+85℃ 0.4% 1-Channel 1.3Wx1@8Ω、52mWx2@16Ω 2.7V~5.5V 54dB 76dB 84% Automatic mute/no-noise switch、Enable/shutdown function、Digitally programmable gain、Analog voltage gain、Built-in audio processing、Integrated PLL DSBGA-49 Audio Amplifiers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM4935RL_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:CSBGA-49_L4.0-W4.0-R7-C7-P0.50-TL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2860081).

Symbol

D_VSSG6LS_VSSG2LS_VDDF2LS_VDDF1D_VDDD7BB_VDDD6PLL_VDDB7A_VSSB1PLL_VSSA7A_VDDA2AUX_OUT_POSG5CPO_POSG4LS_NEGG3LS_POSG1AUX_OUT_NEGF5CPO_NEGF4I2S_SDOE6IRQE5HP_VMID_FBE2HP_VMIDE1GPIO_1D5HP_LD1GPIO_2C5INT_BIASC3EXT_BIASC2HP_RC1EP_POSB2EP_NEGA1PLL_FILTB6VREF_FLTD2BYPASSB4VSAR2A5VSAR1A6MCLKG7I2S_WSF6I2S_CLKF7I2S_SDIE7CPI_POSF3CPI_NEGE4MIC_DETE3SPI_MODED4SCLC7SDAC6AUX_RC4AUX_LD3TEST_MODE/CS#B5INT_MIC_NEGB3INT_MIC_POSA3EXT_MICA4
EasyEDA_Cloud:LM4935RL_NOPBFrom EasyEDA

Footprint

EasyEDA_Cloud:CSBGA-49_L4.0-W4.0-R7-C7-P0.50-TLFrom EasyEDA

Parameters

9
Efficiency
84%
Features
Digitally programmable gain;Analog voltage gain;Enable/shutdown function;Automatic mute/no-noise switch;Integrated PLL;Built-in audio processing
Operating Temperature
-40℃~+85℃
Output Power
1.3Wx1@8Ω;52mWx2@16Ω
Power Supply Rejection Ratio (PSRR)
54dB
Signal-to-Noise Ratio
76dB
Speaker Channels
1-Channel
Total Harmonic Distortion + Noise (THD+N)
0.4%
Voltage - Supply
2.7V~5.5V

Order codes

1

Pinout

49
The pins of the LM4935RL
PinNameType
A1EP_NEGOutput
A2A_VDDUnspecified
A3INT_MIC_POSUnspecified
A4EXT_MICUnspecified
A5VSAR2Unspecified
A6VSAR1Unspecified
A7PLL_VSSUnspecified
B1A_VSSUnspecified
B2EP_POSOutput
B3INT_MIC_NEGUnspecified
B4BYPASSUnspecified
B5TEST_MODE/CS#Unspecified
B6PLL_FILTUnspecified
B7PLL_VDDUnspecified
C1HP_ROutput
C2EXT_BIASUnspecified
C3INT_BIASUnspecified
C4AUX_RUnspecified
C5GPIO_2Input/output
C6SDAInput/output
C7SCLUnspecified
D1HP_LOutput
D2VREF_FLTUnspecified
D3AUX_LUnspecified
D4SPI_MODEUnspecified
D5GPIO_1Input/output
D6BB_VDDUnspecified
D7D_VDDUnspecified
E1HP_VMIDUnspecified
E2HP_VMID_FBUnspecified
E3MIC_DETUnspecified
E4CPI_NEGUnspecified
E5IRQOutput
E6I2S_SDOOutput
E7I2S_SDIUnspecified
F1LS_VDDUnspecified
F2LS_VDDUnspecified
F3CPI_POSUnspecified
F4CPO_NEGOutput
F5AUX_OUT_NEGOutput
F6I2S_WSUnspecified
F7I2S_CLKUnspecified
G1LS_POSOutput
G2LS_VSSUnspecified
G3LS_NEGOutput
G4CPO_POSOutput
G5AUX_OUT_POSOutput
G6D_VSSUnspecified
G7MCLKUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/ti/LM4935RL" title="LM4935RL in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/ti/LM4935RL.jpg" alt="LM4935RL" width="1200" height="900">
A picture that opens the part, for a README
[![LM4935RL](https://pcbkit.io/embed/parts/ti/LM4935RL.jpg?size=s)](https://pcbkit.io/parts/ti/LM4935RL)

Questions

Is there a KiCad symbol and footprint for the LM4935RL?

Yes. The symbol is EasyEDA_Cloud:LM4935RL_NOPB and the footprint EasyEDA_Cloud:CSBGA-49_L4.0-W4.0-R7-C7-P0.50-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM4935RL?

DSBGA-49, with 49 pins. Its footprint is drawn on this page.

Where is the LM4935RL datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the LM4935RL?

JLCPCB lists it as part C2860081, with 0 in stock; the sellers' links on this page open their listings.