TDF8599BTH datasheet(28/54 Pages) NXP

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NXP Semiconductors

TDF8599B

I2C-bus controlled dual channel 43 W/2 Ohm, single channel 85 W/1 Ohm class-D power amplifier with

load diagnostics

TDF8599B

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Product data sheet

Rev. 2 — 23 August 2016

28 / 54

Symbol

Parameter

Conditions

Min Typ Max Unit

pin SEL_MUTE; Operating mode;

0.8 V

μA

Diagnostic output

THDclip

total harmonic distortion clip

detection level

0.2

Vth(offset)

threshold voltage for offset

detection

[2] [3] 1

VOL

LOW-level output voltage

DIAG or CLIP pins activated;

Io = 1 mA

0.3

leakage current

DIAG and CLIP pins; diagnostic

not activated

μA

Audio inputs; pins IN1N, IN1P, IN2N and IN2P

input voltage

2.45

SVRR voltage and ACGND input bias voltage in Mute and Operating modes

input ACGND pin

2.45

Vref

reference voltage

half supply reference SVRR pin

6.9

7.2

7.5

Amplifier outputs; pins OUT1N, OUT1P, OUT2N and OUT2P

BTL; Mute mode

VO(offset)

output offset voltage

BTL; Operating mode

[4] [5] -

Stabilizer output; pins VSTAB1 and VSTAB2

output voltage

stabilizer output in Mute mode and

Operating mode

Voltage protections

undervoltage; amplifier is muted

6.8

7.2

overvoltage; load dump protection

is activated

26.2

V(prot)

protection voltage

VP that a POR occurs at

3.7

4.6

Current protection

IO(ocp)

overcurrent protection output

current

current limiting concept

9.5

Temperature protection

Tprot

protection temperature

155

160

°C

Tact(th_fold)

thermal foldback activation

temperature

gain = -1 dB

140

150

°C

Tj(AV)(warn1)

average junction temperature

for pre-warning 1

IB2[D3] = 0; non-I2C-bus mode

140

150

°C

Tj(AV)(warn2)

average junction temperature

for pre-warning 2

IB2[D3] = 1

120

130

°C

DC load detection levels: I2C-bus mode only[6]

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