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参数资料
型号： TPA3001D1PWPRG4
厂商： TEXAS INSTRUMENTS INC
元件分类： 音频／视频放大
英文描述： 20 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO24
封装： GREEN, PLASTIC, HTSSOP-24
文件页数： 23/28页
文件大小： 504K
代理商： TPA3001D1PWPRG4
TPA3001D1
SLOS398E – DECEMBER 2002 – REVISED AUGUST 2010
www.ti.com
THERMAL INFORMATION
TPA3001D1
THERMAL METRIC(1)(2)
UNITS
PWP (24 Pins)
qJA
Junction-to-ambient thermal resistance
36.2
qJCtop
Junction-to-case (top) thermal resistance
32
qJB
Junction-to-board thermal resistance
15.2
°C/W
yJT
Junction-to-top characterization parameter
0.9
yJB
Junction-to-board characterization parameter
8.4
qJCbot
Junction-to-case (bottom) thermal resistance
1.2
(1)
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
(2)
For thermal estimates of this device based on PCB copper area, see the TI PCB Thermal Calculator.
RECOMMENDED OPERATING CONDITIONS
MIN
MAX
UNIT
Supply voltage, VCC, PVCC
ZL ≥ 3.6
(1)
8
18
V
Load impedance, ZL
3.6
High-level input voltage, VIH
GAIN0, GAIN1, SHUTDOWN
2
V
Low-level input voltage, VIL
GAIN0, GAIN1, SHUTDOWN
0.8
V
Operating free-air temperature, TA
–40
85
°C
(1)
The TPA3001D1 must not be used with any speaker or load (including speaker with output filter) that could vary below 3.6
over the
audio frequency band.
ELECTRICAL CHARACTERISTICS
TA = 25°C, PVCC = VCC = 12 V (unless otherwise noted)
PARAMETERS
TEST CONDITIONS
MIN
TYP
MAX UNIT
VI = 0 V, AV = 12, 18, 23.6 dB
50
Output offset voltage (measured
|VOS|
mV
differentially)
VI = 0 V, AV = 36 dB
100
PSRR
Power supply rejection ratio
PVCC = 11.5 V to 12.5 V
–73
dB
|IIH|
High-level input current
PVCC = 12 V, VI = PVCC
1
mA
|IIL|
Low-level input current
PVCC = 12 V, VI = 0 V
1
mA
SHUTDOWN = 2 V, no load
8
15
mA
ICC
Supply current
SHUTDOWN = VCC, VCC = 18 V, PO = 20 W,
1.3
A
RL = 8
ICC(SD)
Supply current, shutdown mode
SHUTDOWN = 0.8 V
1
2
mA
fs
Switching frequency
ROSC = 120 k, COSC = 220 pF
250
kHz
rds(on)
Output transistor on resistance (total)
IO = 1 A, TJ = 25°C
0.2
0.3
0.7
GAIN1 = 0.8 V, GAIN0 = 0.8 V
10.9
12
12.8
dB
GAIN1 = 0.8 V, GAIN0 = 2 V
17.1
18
18.7
dB
G
Gain
GAIN1 = 2 V, GAIN0 = 0.8 V
22.7
23.6
24.3
dB
GAIN1 = 2 V, GAIN0 = 2 V
34.9
36
36.7
dB
OPERATING CHARACTERISTICS
PVCC = VCC = 12 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
f = 1 kHz, RL = 4
12.8
Continuous output power at 10%
THD+N
f = 1 kHz, RL = 8
9
PO
W
f = 1 kHz, RL = 4
10.3
Continuous output power at 1%
THD+N
f = 1 kHz, RL = 8
7.2
THD+N
Total harmonic distortion plus noise
PO = 10 W, RL = 4 , f = 20 Hz to 20 kHz
0.2%
BOM
Maximum output-power bandwidth
THD = 1%
20
kHz
4
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Copyright 2002–2010, Texas Instruments Incorporated
Product Folder Link(s): TPA3001D1
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