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LM1875T/LF02 Audio Amplifiers by Texas Instruments, Inc (Active Lifecycle)

Name: LM1875T/LF02
Brand: Texas Instruments, Inc
SKU: LM1875T/LF02
Rating: 4.5 (4 reviews)

20-W Audio Power Amplifier

Datasheet

Manufacturers:
Texas Instruments, Inc
Mfr.Part#:
LM1875T/LF02
Package/Case:
TO-220-5
In Stock:
6,565
Product Type:
Audio Amplifiers
RoHS:
Lifecycle:
Active
EDA/CAD Models:
Request Free CAD Models for LM1875T/LF02

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LM1875T/LF02 Information

Description

The LM1875T/LF02 is a compact, high-performance audio power amplifier designed for various audio applications. It offers features such as advanced thermal management, low noise design, surge protection, efficient energy conversion, user-friendly interface, real-time monitoring, and compliance with international safety standards. Its versatility makes it suitable for home stereos, guitar amplifiers, powered speakers, and other audio systems that require high-quality sound output in a compact package.

Features

The LM1875T/LF02 audio power amplifier features a compact design, wide operating temperature range, high reliability, customizable firmware, ergonomic handling, international safety compliance, advanced thermal management, low noise operation, surge protection, efficient energy conversion, user-friendly interface, real-time monitoring, and industry-standard compliance.

Package

The LM1875T/LF02 has a TO-220 package, also known as (NEB)-
This is a standard case for power amplifiers like this one.

Manufacturer

The LM1875T/LF02 is manufactured by Texas Instruments, a leading global semiconductor company. Texas Instruments is known for innovation in digital technology and is often associated with the development of computer chips. Their products, including the LM1875T/LF02, are widely used in various industries, from consumer electronics to industrial automation.

Applications

The LM1875T/LF02 is widely used in audio amplification, including home stereos, guitar amps, and powered speakers. Its compact size and high performance make it suitable for various audio needs.

Equivalent

The LM1875T/LF02 is an audio power amplifier. Equivalent products include other high-performance amplifiers like the TDA2030 or OPA2274 from Analog Devices or Texas Instruments themselves. These alternatives offer similar features and performance for audio amplification applications.

Market Dynamics

Price Trend

Pricing Insight: As of 2022, the market price is evaluated at 12.4712 USD.

Historical Price Trend Data
Date	Average price (USD)
2022	12.4712

Quotation Frequency

Sourcing Activity: Recent market data in 2022 shows 2 quotation requests from active buyers.

Quotation and RFQ Frequency Data
Date	Quotation requests (times)
2022	2

LM1875T/LF02 Technical Details

Device Attribute	Attribute Value	Device Attribute	Attribute Value
Type	Class AB	Output Type	1-Channel (Mono)
Max Output Power x Channels @ Load	25W x 1 @ 8Ohm	Voltage - Supply	16V ~ 60V, ±8V ~ 30V
Features	Short-Circuit and Thermal Protection	Mounting Type	Through Hole
Operating Temperature	0°C ~ 70°C (TA)	Base Product Number	LM1875
Audio input type	Analog Input	Architecture	Class-AB
Speaker channels (max)	Mono	Rating	Catalog
Power stage supply (max) (V)	60	Power stage supply (min) (V)	16
Load (min) (Ω)	4	Output power (W)	20
THD + N at 1 kHz (%)	0.015	Iq (typ) (mA)	70
Control interface	Hardware	Closed/open loop	Open
Analog supply (min) (V)	16	Analog supply voltage (max) (V)	60
PSRR (dB)	95	Operating temperature range (°C)	0 to 70
feature-function	Speaker	feature-amplifier-type	Class-AB
feature-typical-gain-bandwidth-product-mhz	5.5	feature-typical-psrr-db	95
feature-total-harmonic-distortion-noise	0.015%@8Ohm@20W	feature-input-signal-type	Single
feature-output-signal-type	Single	feature-output-type	1-Channel Mono
feature-maximum-input-offset-voltage-mv	15	feature-maximum-input-bias-current-ua	2@±25V
feature-packaging	Tube	feature-pin-count	5
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-military	No	feature-aec-qualified	No
Package/Case	TO-220-5	feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

LM1875T/LF02 FAQs

1.Q: Are there related parts to the LM1875T/LF02 from Texas Instruments?

A: Yes, similar parts include LM1876 (dual-channel) and LM3886 (higher power, 68W), also from Texas Instruments.

2.Q: What package does the LM1875T/LF02 use, and what are its dimensions?

A: It uses a TO-220-5 package with dimensions: 10.16mm (L) × 4.7mm (W) × 8.89mm (H).

3.Q: What is the typical performance of the LM1875T/LF02 in terms of bandwidth?

A: It offers a gain bandwidth product (GBP) of 5.5 MHz, ensuring wide frequency response for audio signals.

4.Q: What is the thermal resistance of the LM1875T/LF02 package?

A: The TO-220 package has a thermal resistance (θJA) of ~30°C/W, requiring proper heatsinking for high-power operation.

5.Q: What are the recommended operating conditions for the LM1875T/LF02?

A: Recommended supply voltage: 16V–60V (single) or ±8V–±30V (dual), operating temperature: 0°C to +70°C, and 8Ω load impedance.

6.Q: What is the maximum supply voltage for the LM1875T/LF02?

A: The absolute maximum supply voltage is 60V (or ±30V for dual supply). Exceeding this may damage the device.

7.Q: What are typical applications for the LM1875T/LF02?

A: It’s used in stereo systems, home audio amplifiers, TV sound systems, and DIY audio projects requiring high-fidelity output.

8.Q: What are the key features of the LM1875T/LF02 audio amplifier?

A: Key features include 25W output power, Class-AB design, 0.02% THD+N, 8Ω load impedance, and dual/single supply operation (up to ±30V).

9.Q: What is the pinout configuration of the LM1875T/LF02 amplifier?

A: The LM1875T/LF02 has a TO-220-5 package with pins: 1. Non-inverting Input, 2. Inverting Input, 3. V- (Negative Supply), 4. Output, 5. V+ (Positive Supply).

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Returns and exchanges are supported, provided the items remain in their original condition.

Ratings and Reviews

G

G**e
08/06/2026

6

Delivery to barnaul 6.5 days. The camera works, the flux is washed goodly (connector). Packing no, just put in the postal package.
D

D**f
03/29/2023

18

Normal packing some bubble wrap, the product fully complies with the description.The packaging is ordinary puffy, the goods fully correspond to the description.
S

S**n
08/02/2022

17

Fast Delivery! Super Goods!
N

N**s
07/05/2022

9

Delivery of 6 days in the rest all the normal characteristics are slightly overstated one broke by 90 percent of the claimed, the remaining four, kept an hour by 95 percent, heated but kept.

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