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TAS6424-Q1 Datasheet(PDF) 9 Page - Texas Instruments

Part # TAS6424-Q1
Description  2-MHz Digital Input 4-Channel Automotive Class-D Audio Amplifier With Load-Dump Protection and I2C Diagnostics
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TAS6424-Q1 Datasheet(HTML) 9 Page - Texas Instruments

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9
TAS6424-Q1
www.ti.com
SLOS870A – SEPTEMBER 2016 – REVISED OCTOBER 2016
Product Folder Links: TAS6424-Q1
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
Electrical Characteristics (continued)
Test conditions (unless otherwise noted): TC = 25°C, PVDD = VBAT = 14.4 V, VDD = 3.3 V, RL = 4 Ω, Pout = 1 W/ch, ƒ = 1
kHz, fSW = 2.11 MHz, AES17 Filter, default I
2C settings, see Figure 79 and Figure 82
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OTHYS
Overtemperature hysteresis
15
°C
LOAD OVER CURRENT PROTECTION
ILIM
Overcurrent cycle-by-cycle limit
OC Level 1
4
4.8
A
OC Level 2
6
6.5
ISD
Overcurrent shutdown
OC Level 1, Any short to supply, ground, or other channels
7
A
OC Level 2, Any short to supply, ground, or other channels
9
MUTE MODE
GMUTE
Output attenuation
100
dB
CLICK AND POP
VCP
Output click and pop voltage
ITU-R 2k filter, High-Z/MUTE to Play, Play to Mute/High-Z
7
mV
DC OFSET
VOFFSET
Output offset voltage
5
15
mV
DC DETECT
DCFAULT
Output DC fault protection
2
V
DIGITAL OUTPUT PINS
VOH
Output voltage for logic level high
I = ±2 mA
90
%VDD
VOL
Output voltage for logic level low
I = ±2 mA
10
%VDD
tDELAY_CLIPD
ET
Signal delay when output clipping detected
20
μs
LOAD DIAGNOSTICS
S2P
Maximum resistance to detect a short from
OUT pins to PVDD
500
Ω
S2G
Maximum resistance to detect a short from
OUT pins to ground
200
Ω
SL
Shorted load detection tolerance
Other channels in Hi-Z
±0.5
Ω
OL
Open load
Other channels in Hi-Z
40
70
Ω
TDC_DIAG
DC diagnostic time
240
ms
LO
Line output
6
TLINE_DIAG
Line output diagnostic time
40
ms
ACIMP
AC impedance accuracy
Gain linearity, ƒ = 19 kHz, RL = 2 Ω to 16 Ω,
25%
Offset
±0.5
Ω
TAC_DIAG
AC diagnostic time
200
ms
I2C_ADDR PINS
tI2C_ADDR
Time delay needed for I2C address set-up
300
μs


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