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TPA3251D2DDVR Datasheet(PDF) 7 Page - Texas Instruments

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No. de pieza TPA3251D2DDVR
Descripción Electrónicos  175-W Stereo, 350-W Mono PurePath Ultra-HD Analog-Input Class-D Amplifier
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3251D2DDVR Datasheet(HTML) 7 Page - Texas Instruments

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TPA3251D2
www.ti.com
SLASE40C – JUNE 2015 – REVISED JUNE 2015
7.5 Electrical Characteristics
PVDD_X = 36 V, GVDD_X = 12 V, VDD = 12 V, TC (Case temperature) = 75°C, fS = 600 kHz, unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INTERNAL VOLTAGE REGULATOR AND CURRENT CONSUMPTION
Voltage regulator, only used as reference
DVDD
VDD = 12 V
3
3.3
3.6
V
node
Voltage regulator, only used as reference
AVDD
VDD = 12 V
7.8
V
node
Operating, 50% duty cycle
40
IVDD
VDD supply current
mA
Idle, reset mode
13
50% duty cycle
25
IGVDD_X
Gate-supply current per full-bridge
mA
Reset mode
3
50% duty cycle with recommended output filter
12.5
mA
IPVDD_X
PVDD idle current per full bridge
Reset mode, No switching
1
mA
ANALOG INPUTS
RIN
Input resistance
24
k
VIN
Maximum input voltage swing
7
V
IIN
Maximum input current
1
mA
G
Inverting voltage Gain
VOUT/VIN
20
dB
OSCILLATOR
Nominal, Master Mode
3.45
3.6
3.75
fOSC(IO+)
AM1, Master Mode
FPWM × 6
2.85
3
3.15
MHz
AM2, Master Mode
2.58
2.7
2.82
VIH
High level input voltage
1.86
V
VIL
Low level input voltage
1.45
V
OUTPUT-STAGE MOSFETs
Drain-to-source resistance, low side (LS)
60
100
m
TJ = 25°C, Includes metallization resistance,
RDS(on)
GVDD = 12 V
Drain-to-source resistance, high side (HS)
60
100
m
I/O PROTECTION
Undervoltage protection limit, GVDD_x and
Vuvp,VDD,GVDD
9.5
V
VDD
Vuvp,VDD, GVDD,hyst
(1)
0.6
V
OTW
Overtemperature warning, CLIP_OTW(1)
115
125
135
°C
Temperature drop needed below OTW
OTWhyst
(1)
temperature for CLIP_OTW to be inactive
25
°C
after OTW event.
OTE(1)
Overtemperature error
145
155
165
°C
OTE-OTW(differential)
OTE-OTW differential
30
°C
(1)
A reset needs to occur for FAULT to be
OTEhyst
(1)
25
°C
released following an OTE event
OLPC
Overload protection counter
fPWM = 600 kHz
1.7
ms
Resistor – programmable, nominal peak current in
IOC
Overcurrent limit protection
14
A
1
Ω load, ROCP = 22 kΩ
Resistor – programmable, peak current in 1
Ω load,
IOC(LATCHED)
Overcurrent limit protection
14
A
ROCP = 47kΩ
IDCspkr
DC Speaker Protection Current Threshold
BTL current imbalance threshold
1.5
A
Time from switching transition to flip-state induced
IOCT
Overcurrent response time
150
ns
by overcurrent.
Connected when RESET is active to provide
IPD
Output pulldown current of each half
3
mA
bootstrap charge. Not used in SE mode.
(1)
Specified by design.
Copyright © 2015, Texas Instruments Incorporated
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