LMV1031URX-20/NOPB Texas Instruments - Yeehing Electronics

Analog input microphone preamplifier for 3-wire electret microphones with fixed 20 dB gain

Pricing (USD)

Quantity	Unit Price
1 — 99	1.181
100 — 249	0.908
250 — 999	0.669
1,000 +	0.33

The above prices are for reference only.

Specifications

Manufacturer	Texas Instruments
Product Category	Microphone Preamplifiers
RoHS	Y
Series	LMV1031
THD plus Noise	0.18%
Supply Voltage - Max	5 V
Supply Voltage - Min	2 V
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Mounting Style	SMD/SMT
Package / Case	DSBGA-4
Packaging	Reel
Height	0.22 mm
Length	1.18 mm
Output Type	1-Channel Mono
Product	Microphone Preamplifiers
Supply Type	Single
Width	1.18 mm
Brand	Texas Instruments
Class	Class-AB
Input Signal Type	Single
Operating Supply Current	72 mA
Operating Supply Voltage	3 V
Output Signal Type	Single
Product Type	Microphone Preamplifiers
PSRR - Power Supply Rejection Ratio	56 dB
Factory Pack Quantity	3000
Subcategory	Audio ICs

For more information, please refer to datasheet

Documents

LMV1031URX-20/NOPB Datasheet

More Information

The LMV1031 audio amplifier is an ideal replacement for the JFET preamplifier that is currently used in the electret microphones. The LMV1031 is optimized for applications that require extended battery life, such as Bluetooth communication links. The supply current for the LMV1031 is only 72 μA. This is a dramatic reduction from that required for a JFET equipped microphone. The LMV1031, with its separate output and supply pins, offers a higher PSRR and eliminates the need for additional external components.