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See Technical Specifications

LM1875T/LF02

20-W Audio Power Amplifier

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM1875T/LF02
Datasheet:

LM1875T/LF02 Datasheet (PDF)
Type:

Class AB
Output Type:

1-Channel (Mono)
Max Output Power x Channels @ Load:

25W x 1 @ 8Ohm
Voltage - Supply:

16V ~ 60V, ±8V ~ 30V
EDA/CAD Models:

Request Free CAD Models for LM1875T/LF02

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Tel: +852 95804164

LM1875T/LF02 General Description

The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications.

The LM1875 delivers 20 watts into a 4 or 8 load on ±25V supplies. Using an 8 load and ±30V supplies, over 30 watts of power may be delivered. The amplifier is designed to operate with a minimum of external components. Device overload protection consists of both internal current limit and thermal shutdown.

The LM1875 design takes advantage of advanced circuit techniques and processing to achieve extremely low distortion levels even at high output power levels. Other outstanding features include high gain, fast slew rate and a wide power bandwidth, large output voltage swing, high current capability, and a very wide supply range. The amplifier is internally compensated and stable for gains of 10 or greater.

Key Features

Up to 30 watts output power
A_VO typically 90 dB
Low distortion: 0.015%, 1 kHz, 20 W
Wide power bandwidth: 70 kHz
Protection for AC and DC short circuits to ground
Thermal protection with parole circuit
High current capability: 4A
Wide supply range 16V-60V
Internal output protection diodes
94 dB ripple rejection
Plastic power package TO-220

Specifications

Category	Integrated Circuits (ICs)LinearAmplifiersAudio Amplifiers	Series	-
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-rail-to-rail		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-output-current-ma
feature-maximum-input-offset-voltage-mv	15	feature-maximum-input-bias-current-ua	2@±25V
feature-maximum-power-dissipation-mw		feature-packaging	Tube
feature-rad-hard		feature-pin-count	5
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

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Packing

AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

Warranty

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Ratings and Reviews

D**f 03/29/2023

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**n 08/02/2022

Fast Delivery! Super Goods!

N**s 07/05/2022

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.

G**e 01/21/2021

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