TDF8541JSSLASHN2 datasheet(2/54 Pages) NXP

2 / 54 page

TDF8541

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Product data sheet

Rev. 3 — 13 December 2011

2 of 54

NXP Semiconductors

TDF8541

I2C-bus controlled 4

 45 W power amplifier

 Temperature controlled gain reduction to prevent audio holes at high junction

temperatures

 Programmable low battery voltage detection to enable 7.5 V or 6 V minimum battery

voltage operation

 Overvoltage protection (load-dump safe up to VP = 50 V) with overvoltage pre-warning

at 16 V

 Offset detection

Quick reference data

Ordering information

Table 1.

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VP(oper)

operating supply

voltage

RL = 4 

614.4

quiescent current

no load

260

350

no load; VP = 7 V

190

output power

RL =4 ; VP = 14.4 V; THD = 0.5 %

RL =4 ; VP = 14.4 V; THD = 10 %

RL =2 ; VP = 14.4 V; THD = 10 %

Po(max)

maximum output

power

RL =4 ; VP = 15.2 V; Vi = 2 V RMS square wave

RL =2 ; VP = 14.4 V; Vi = 2 V RMS square wave

THD

total harmonic

distortion

Po =1Wto12W; fi = 1 kHz; RL =4 

-0.01

0.1

Vn(o)

output noise voltage

filter 20 Hz to 22 kHz (6th order); RS =50 

amplifier mode

V

line driver mode

V

Table 2.

Ordering information

Type number

Package

Name

Description

Version

TDF8541J/N2

DBS27P

plastic DIL-bent-SIL (special bent) power package; 27 leads (lead length

6.8 mm)

SOT827-1

TDF8541SD/N2

RDBS27P

plastic rectangular-DIL-bent-SIL (reverse bent) power package; 27 leads

(row spacing 2.54 mm)

SOT878-1

TDF8541TH/N2

HSOP36

plastic, heatsink small outline package; 36 leads; low stand-off height

SOT851-1

TDF8541JS/N2

DBSMS27P

plastic dual bent surface mounted SIL power package; 27 leads

SOT1154-1

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