Texas Instruments LM49 Memory Series

14 variants · Texas InstrumentsAll Memory (DRAM / SRAM / Flash / EEPROM) →

About the Texas Instruments LM49 Memory Series

The Texas Instruments LM49 Memory Series series groups 14 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common mounting of Surface Mount and operating temperature of -40°C ~ 85°C (TA). Variants differ by case, features and max output power x channels @ load, so you can match the exact case your application requires using the selection guide below.

Select a variant by

Case: 8-WFDFN Exposed Pad · 8-WQFN Exposed Pad · 10-WFDFN Exposed Pad · 14-WFDFN Exposed Pad · 20-UFBGA · 25-WFBGA · 30-WFBGA, DSBGA · 36-WFBGA, DSBGA · TO-263-10 (9 Leads + Tab)
Features: 3D, DAC, Depop, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control · Depop, Differential Inputs, I²C, Input Multiplexer, Shutdown, Volume Control · Depop, Differential Inputs, I²C, Shutdown, Thermal Protection, Volume Control · Depop, Differential Inputs, Shutdown, Thermal Protection · Depop, E²S, I²C, Mute, Shutdown, Thermal Protection, Volume Control · Depop, I²C, Shutdown, Volume Control · Depop, Mute, Shutdown, Thermal Protection · Depop, Short-Circuit and Thermal Protection, Shutdown
Max output power x channels @ load: 1.1W x 1 @ 8Ohm · 1.3W x 1 @ 8Ohm; 45mW x 2 @ 32Ohm · 1.35W x 1 @ 8Ohm; 25mW x 2 @ 32Ohm · 1.37W x 2 @ 8Ohm; 20mW x 2 @ 32Ohm · 2W x 1 @ 4Ohm; 69mW x 2 @ 32Ohm · 2.1W x 1 @ 4Ohm; 42mW x 2 @ 32Ohm · 2.5W x 1 @ 4Ohm · 7.5W x 1 @ 8Ohm; 3.1W x 2 @ 4Ohm · 85mW x 1 @ 8Ohm; 14mW x 2 @ 16Ohm · 95mW x 2 @ 16Ohm
Output type: 1-Channel (Mono) · 1-Channel (Mono) or 2-Channel (Stereo) · 1-Channel (Mono) with Mono and Stereo Headphones · 1-Channel (Mono) with Stereo Headphones · 2-Channel (Stereo) with Stereo Headphones · Headphones, 2-Channel (Stereo)
Package: Bulk · Tape & Reel (TR); Cut Tape (CT) · Tube
Type: Class AB · Class D · Class D, Class G
Voltage: 1.4V ~ 3.6V · 2.4V ~ 5.5V · 2.7V ~ 5.5V · 9.6V ~ 16V · 900mV ~ 2.5V

Shared specifications

Mounting: Surface Mount
Operating temperature: -40°C ~ 85°C (TA)

Variant comparison

Parameter	LM49101TMX/NOPB	LM49153TME/NOPB	LM49150TL/NOPB	LM49153TMX/NOPB	LM4923LQX/NOPB	LM49251TLX/NOPB
Case	25-WFBGA	25-WFBGA	20-UFBGA	25-WFBGA	8-WQFN Exposed Pad	30-WFBGA, DSBGA
Features	Depop, Differential Inputs, I²C, Shutdown, Thermal Protection, Volume Control	Depop, Differential Inputs, I²C, Input Multiplexer, Shutdown, Volume Control	Depop, E²S, I²C, Mute, Shutdown, Thermal Protection, Volume Control	Depop, Differential Inputs, I²C, Input Multiplexer, Shutdown, Volume Control	Depop, Differential Inputs, Shutdown, Thermal Protection	Depop, I²C, Shutdown, Volume Control
Max output power x channels @ load	1.3W x 1 @ 8Ohm; 45mW x 2 @ 32Ohm	1.35W x 1 @ 8Ohm; 25mW x 2 @ 32Ohm	2.1W x 1 @ 4Ohm; 42mW x 2 @ 32Ohm	1.35W x 1 @ 8Ohm; 25mW x 2 @ 32Ohm	1.1W x 1 @ 8Ohm	1.37W x 2 @ 8Ohm; 20mW x 2 @ 32Ohm
Output type	1-Channel (Mono) with Stereo Headphones	1-Channel (Mono) with Mono and Stereo Headphones	1-Channel (Mono) with Stereo Headphones	1-Channel (Mono) with Mono and Stereo Headphones	1-Channel (Mono)	2-Channel (Stereo) with Stereo Headphones
Package	Bulk	Bulk	Tape & Reel (TR); Cut Tape (CT)	Bulk	Bulk	Bulk
Type	Class AB	Class D, Class G	Class D	Class D, Class G	Class AB	Class D, Class G
Voltage	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.4V ~ 5.5V	2.7V ~ 5.5V

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