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LM4910MM

Texas Instruments · Audio Power OpAmps · VSSOP-8

LM4910MM from Texas Instruments, in a VSSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	IN1	input	Inverting input of amplifier 1, with gain set by Rf/Ri and an input coupling capacitor Ci in series with Ri.
2	IN2	input	Inverting input of amplifier 2, with gain set by Rf/Ri and an input coupling capacitor Ci in series with Ri.
3	SHUTDOWN	input	Active-low shutdown input, where logic low (0.4V max) enables micro-power shutdown and logic high (1.5V min) gives normal operation.
4	GND	power_in	Ground connection, the reference for all voltages in the electrical characteristics.
5	VDD	power_in	Positive supply input, operating range 2.2V to 5.5V, with a 0.1µF to 1µF bypass capacitor recommended.
6	Vo3	output	Buffered bias output (VREF = 1.58V) that drives the headphone jack sleeve, shuts down above 500mA peak current, and has a 10kV ESD rating.
7	Vo2	output	Amplifier 2 output driving the second headphone channel, biased at VREF = 1.58V.
8	Vo1	output	Amplifier 1 output driving the first headphone channel, biased at VREF = 1.58V.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	VSSOP-8
Category	Operational Amplifier/Comparator
Pins	8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter	Symbol	Min	Typ	Max	Unit	Conditions	Page
Quiescent Power Supply Current	IDD		3.5	6	mA	VDD=3.3V, VIN=0V, 32Ω Load	4
Standby Current	ISD		0.1	1	µA	VDD=3.3V, VSHUTDOWN=GND	4
Output Offset Voltage	VOS		5	30	mV	VDD=3.3V	4
Output Power	PO	30	35		mW	VDD=3.3V, THD=1% (max); f=1kHz	4
Shutdown Input Voltage High	VIH	1.5			V	VDD=3.3V	4
Shutdown Input Voltage Low	VIL			0.4	V	VDD=3.3V	4
Quiescent Power Supply Current	IDD		3.3	6	mA	VDD=3V, VIN=0V, 32Ω Load	5
Standby Current	ISD		0.1	1	µA	VDD=3V, VSHUTDOWN=GND	5
Output Offset Voltage	VOS		5	30	mV	VDD=3V	5
Output Power	PO	25	30		mW	VDD=3V, THD=1% (max); f=1kHz	5
Shutdown Input Voltage High	VIH	1.5			V	VDD=3V	5
Shutdown Input Voltage Low	VIL			0.4	V	VDD=3V	5
Supply Voltage (abs max)	VDD			6	V		3
Storage Temperature	Tstg	-65		150	°C		3
Input Voltage	VIN	-0.3		6	V	-0.3V to VDD + 0.3V	3
Junction Temperature	TJ			150	°C		3
ESD Susceptibility Pin 6				10	kV	Human body model, 100pF, 1.5kΩ, Pin 6 to ground	3
ESD Susceptibility (HBM)				2000	V	Human body model, 100pF, 1.5kΩ	3
ESD Susceptibility (MM)				200	V	Machine Model, 220pF-240pF	3
Thermal Resistance Junction-to-Case (MSOP)	θJC		56		°C/W	MSOP	3
Thermal Resistance Junction-to-Ambient (MSOP)	θJA		190		°C/W	MSOP	3
Operating Temperature Range	TA	-40		85	°C		3
Supply Voltage	VDD	2.2		5.5	V	Operating Ratings	3
Total Harmonic Distortion + Noise	THD+N		0.3		%	VDD=3.3V, PO=30mWrms; f=1kHz	4
Power Supply Rejection Ratio	PSRR		65		dB	VDD=3.3V, VRIPPLE=200mVp-p sinewave, f=217Hz, input terminated with 10Ω	4
Quiescent Power Supply Current	IDD		3		mA	VDD=2.6V, VIN=0V, 32Ω Load	6
Output Power	PO		13		mW	VDD=2.6V, THD=1% (max); f=1kHz	6

CAD (KiCad official)

Symbol: LM4910MM
Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
3D model: VSSOP-8 (KiCad packages3D, STEP)
3D model files: lm4910mm-etched.step / lm4910mm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4910mm.step / lm4910mm.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Texas Instruments datasheet (31 pp, sha256 ad2e30f1539b384d, retrieved 2026-10-22, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF