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TPA2000D4 Datasheet(PDF) 4 Page - Texas Instruments

No. de Pieza. TPA2000D4
Descripción  STEREO 2-W CLASS-D AUDIO POWER AMPLIFIER WITH STEREO HP AMPLIFIER
Descarga  27 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPA2000D4 Datasheet(HTML) 4 Page - Texas Instruments

 
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TPA2000D4
STEREO 2W CLASSD AUDIO POWER AMPLIFIER
WITH STEREO HP AMPLIFIER
SLOS337B − DECEMBER 2000 − REVISED NOVEMBER 2005
4
WWW.TI.COM
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
DAP
5.3 W
42.5 mW/
°C
3.4 W
2.8 W
recommended operating conditions
MIN
NOM
MAX
UNIT
Supply voltage, VDD, PVDD, VCC
3.7
5.5
V
High-level input voltage, VIH
GAIN0, GAIN1, SHUTDOWN
2
V
High-level input voltage, VIH
MODE
0.8 VDD
V
Low-level input voltage, VIL
GAIN0, GAIN1, SHUTDOWN
0.8
V
Low-level input voltage, VIL
MODE
0.4 VDD
V
Oscillator resistance, ROSC
120
k
Oscillator capacitance, COSC
220
pF
PWM Frequency
200
300
kHz
Operating free-air temperature, TA
−40
85
°C
electrical characteristics over recommended operating free-air temperature range, TA = 25°C,
VDD = PVDD = 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially)
VI = 0 V, AV = −2 V/V
15
mV
PSRR
Power supply rejection ratio
PVDD = 4.5 V to 5.5 V
Class-D
−70
dB
PSRR
Power supply rejection ratio
PVDD = 4.5 V to 5.5 V
Headphone
−75
dB
| IIH |
High-level input current
PVDD = 5.5 V,
VI = PVDD
1
µA
| IIL |
Low-level input current
PVDD = 5.5 V,
VI = 0 V
1
µA
IDD
Class D
MODE = 0 V
9
12
mA
IDD
Supply current
Headphone
MODE = 5 V
7
11
mA
IDD(SD)
Supply current
Shutdown mode
0.05
1
A
IDD(SD)
Shutdown mode
0.05
1
µA
operating characteristics, class-D amplifier, TA = 25°C, VDD = PVDD = 5 V, RL = 4 Ω, Gain = all gains
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.1%,
f = 1 kHz
2
W
THD+N
Total harmonic distortion plus noise
PO = 1 W,f = 20 Hz to 20 kHz
< 0.4%
BOM
Maximum output power bandwidth
THD = 1%
20
kHz
kSVR
Supply ripple rejection ratio
f = 1 kHz,
CBYPASS = 1 µF
−71
dB
SNR
Signal-to-noise ratio
85
dB
Vn
Noise output voltage
CBYPASS = 1 µF, f = 20 Hz to 20 kHz
20
µVRMS
ZI
Input impedance
>15
k


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