TDF8599B datasheet(28/54 Pages) NXP

28 / 54 page

TDF8599B_1

Product data sheet

Rev. 01 — 29 July 2009

28 of 54

NXP Semiconductors

TDF8599B

I2C-bus controlled dual channel class-D power ampliﬁer

11. Thermal characteristics

12. Static characteristics

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

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

RDSon

drain-source on-state

resistance

power switch;

Tj =25 °C

140

150

Ω

Tj = 100 °C

190

205

Ω

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

input voltage

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>2V

0.8

pin SEL_MUTE; Operating mode;

voltage on pin EN>2V

input current

pin EN; 2.5 V

µA

pin SEL_MUTE; Operating mode;

0.8 V

--50

µA

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