TDF8599B datasheet(27/54 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

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 2 — 23 August 2016

27 / 54

11 Thermal characteristics

Table 18. Table 18. Thermal characteristics

Symbol Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction

to ambient

in free air

K/W

Rth(j-c)

thermal resistance from junction

to case

K/W

12 Static characteristics

Table 19. Static characteristics

VP = VDDA = 14.4 V; fosc = 320 kHz; −40 °C < Tamb < +85 °C; unless otherwise specified.

Symbol

Parameter

Conditions

Min Typ Max Unit

Supply

supply voltage

14.4

supply current

off state; Tj ≤ 85 °C; VP = 14.4 V

μA

Iq(tot)

total quiescent current

Operating mode; no load,

snubbers and filter connected

120

Series resistance output switches

power switch;

Tj = 25 °C

140

150

mΩ

RDSon

drain-source on-state

resistance

Tj = 100 °C

190

205

mΩ

I2C-bus interface: pins SCL and SDA

VIL

LOW-level input voltage

1.5

VIH

HIGH-level input voltage

2.3

5.5

VOL

LOW-level output voltage

pin SDA; Iload = 5 mA

0.4

Address, phase shift and modulation mode select: pins ADS and MOD

input voltage

pins not connected

[1] 1.5

2.7

input current

pins shorted to GND

[1] 80

105

160

μA

Enable and SEL_MUTE input: pins EN and SEL_MUTE

pin EN; off state

0.8

pin EN; Standby mode; I2C-bus

mode

pin EN; Mute mode or Operating

mode; non-I2C-bus mode

pin SEL_MUTE; Mute mode;

voltage on pin EN > 2 V

0.8

input voltage

pin SEL_MUTE; Operating mode;

voltage on pin EN > 2 V

input current

pin EN; 2.5 V

μA

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