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TPA3221DDV Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce TPA3221DDV
Description  100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier
Download  39 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3221DDV Fiches technique(HTML) 7 Page - Texas Instruments

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TPA3221
www.ti.com
SLASEE9 – JUNE 2017
Product Folder Links: TPA3221
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
(1)
Nominal, AM1 and AM2 use same internal oscillator with fixed ratio 4.5 : 5 : 6
(2)
Specified by design.
7.5 Electrical Characteristics
PVDD_X = 30 V, VDD = 5 V, GVDD = 5 V, TC (Case temperature) = 75 °C, fS = 400 kHz, unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INTERNAL VOLTAGE REGULATOR AND CURRENT CONSUMPTION
AVDD
Voltage regulator. Only used as reference
node when supplied by internal LDO. Voltage
regulator bypassed for VDD = 5 V.
VDD = 30 V
5
V
IVDD
VDD supply current. LDO mode (VDD > 7 V)
Operating, no audio signal
22
mA
µA
Reset mode
50
VDD supply current. LDO bypass mode
(VDD = 5 V)
Operating, no audio signal
150
Reset mode
50
IAVDD
Gate-supply current. LDO bypass mode
(VDD = 5 V)
Operating, no audio signal
9
mA
Reset mode
1
IGVDD
Gate-supply current. LDO bypass mode
(VDD = 5 V), AD-mode modulation
50% duty cycle
13
mA
Reset mode
50
µA
mA
Gate-supply current. LDO bypass mode
(VDD = 5 V), 1-SPW-mode modulation
TBD% duty cycle
13
Reset mode
50
µA
IPVDD
Total PVDD idle current, AD-mode
modulation
50% duty cycle with recommended output filter
18
mA
Reset mode, No switching
1
Total PVDD idle current, 1SPW-mode
modulation
TBD% duty cycle with recommended output filter
12.5
Reset mode, No switching
1
ANALOG INPUTS
VIN
Maximum input voltage swing
±2.8
V
IIN
Maximum input current
-1
1
mA
G
Inverting voltage Gain, VOUT/VIN(Master
Mode)
R1 = 5.6 kΩ, R2 = OPEN
18
dB
R1 = 20 kΩ, R2 = 100 kΩ
24
R1 = 39 kΩ, R2 = 100 kΩ
30
R1 = 47 kΩ, R2 = 75 kΩ
34
Inverting voltage Gain, VOUT/VIN(Slave Mode)
R1 = 51 kΩ, R2 = 51 kΩ
18
R1 = 75 kΩ, R2 = 47 kΩ
24
R1 = 100 kΩ, R2 = 39 kΩ
30
R1 = 100 kΩ, R2 = 16 kΩ
34
RIN
Input resistance
G = 18 dB
48
k
G = 24 dB
24
G = 30 dB
12
G = 34 dB
7.7
OSCILLATOR
fOSC(IO)
(1)
Nominal, Master Mode
FPWM × 6
2.3
2.4
2.5
MHz
AM1, Master Mode
2.5
2.64
2.75
AM2, Master Mode
2.85
3
3.15
VIH
High level input voltage
1.86
V
VIL
Low level input voltage
1.45
V
EXTERNAL OSCILLATOR (Slave Mode)
fOSC(IO)
CLK input on OSCM/OSCP (Slave Mode)
2.3
3.78
MHz
OUTPUT-STAGE MOSFETs
RDS(on)
Drain-to-source resistance, low side (LS)
TJ = 25 °C, Excludes metallization resistance,
GVDD = 5 V
70
m
Drain-to-source resistance, high side (HS)
70
m
I/O PROTECTION
Vuvp,AVDD
Undervoltage protection limit, AVDD
4
V
Vuvp,AVDD,hyst
(2)
0.2
V
Vuvp,PVDD
Undervoltage protection limit, PVDD_x
6.4
V
Vuvp,PVDD,hyst
(2)
0.45
V


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