参数资料
型号: TDA7850LV
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 53 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25
封装: ROHS COMPLIANT, FLEXIWATT-25
文件页数: 1/8页
文件大小: 195K
代理商: TDA7850LV
Data brief
For further information contact your local STMicroelectronics sales office.
August 2010
Doc ID 17720 Rev 2
1/8
8
TDA7850LV
4 x 50 W quad bridge amplifier
suitable for low voltage car radio systems
Features
High output power capability:
–4 x 50 W/4
Ω max.
–4 x 30 W/4
Ω @ 14.4 V, 1 kHz, 10 %
–4 x 80 W/2
Ω max.
–4 x 53 W/2
Ω @ 14.4V, 1 kHz, 10 %
MOSFET output power stage
Capable to operate in low voltage conditions
(e.g.: “Start - Slop”)
Excellent 2 Ω driving capability
Hi-Fi class distortion
Low output noise
Standby function and mute function
Automute at min. supply voltage detection
Low external component count:
– Internally fixed gain (26 dB)
– No external compensation
– No bootstrap capacitors
On board 0.35 A high side driver
Protections:
Extreme robustness against any kind of short
to GND
Output short circuit to GND, to Vs, across the
load
Very inductive loads
Overrating chip temperature with soft thermal
limiter
Output DC offset detection
Load dump voltage
Fortuitous open GND
Reversed battery
ESD
Description
The TDA7850LV is a MOSFET class AB audio
power amplifier, designed for high-power car
radio. In addition to the outstanding output current
capability and distortion performance, the
TDA7850LV is extremely robust against several
kinds of fortuitous misconnections.
It is, moreover, compliant to the most recent OEM
specifications for low voltage operation (the so
called 'start-stop' battery profile during engine
stop) and features a very compact design in BCD
technology.
The TDA7850LV includes offset detector
capability (or high side driver output) and is
available in both SMD and standard Flexiwatt
packages.
Flexiwatt25
(Vertical)
Flexiwatt25
(Horizontal)
Flexiwatt25
(SMD)
Table 1.
Device summary
Order code
Package
Packing
TDA7850LV
Flexiwatt25 (Vertical)
Tube
TDA7850LVH
Flexiwatt25 (Horizontal)
Tube
TDA7850LVSM
Flexiwatt25 (SMD)
Tube
TDA7850LVSMTR
Flexiwatt25 (SMD)
Tape and reel
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