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參數(shù)資料
| 型號(hào)： | TPA0172PWPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24 |
| 封裝： | GREEN, PLASTIC, HTSSOP-24 |
| 文件頁(yè)數(shù)： | 32/36頁(yè) |
| 文件大?。?/td> | 885K |
| 代理商： | TPA0172PWPRG4 |
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TPA0172
2W STEREO AUDIO POWER AMPLIFIER
WITH I2C BUS
SLOS327C AUGUST 2000 REVISED MAY 2001
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially)
VI = 0 V,
AV = 20 dB
20
mV
PSRR
Power supply rejection ratio
VDD = 4.5 V to 5.5 V
75
dB
|IIH|
High-level input current
VDD = 5.5 V,
VI = VDD
1
A
|IIL|
Low-level input current
VDD = 5.5 V,
VI = 0 V
1
A
Zi
Input impedance
7.5
k
IDD
Supply current
BTL mode
8
12
mA
IDD(SD)
Supply current, shutdown mode
PC-BEEP = 0 V
15
35
A
IDD(SD)
Supply current, shutdown mode
PC-BEEP = VDD/2
50
90
A
operating characteristics, VDD = 5 V, TA = 25°C, RL = 4 , Gain = 20 dB, BTL mode (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.08%,
f = 1 kHz
2
W
THD + N
Total harmonic distortion plus noise
PO = 1 W,
f = 20 Hz to 20 kHz
0.3%
BOM
Maximum output power bandwidth
THD = 1%
>20
kHz
Supply ripple rejection ratio
f = 1 kHz,
CB = 0.47 F
BTL mode
58
dB
Supply ripple rejection ratio
f = 1 kHz,
CB = 0.47 F
SE mode
52
dB
Vn
Noise output voltage
CB = 0.47 F,
f = 20 Hz to 20 kHz,
BTL mode
29
VRMS
Vn
Noise output voltage
f = 20 Hz to 20 kHz,
Gain = 6 dB BTL, 0 dB SE
SE mode
23
VRMS
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
THD+N
Total harmonic distortion plus noise
vs Output power
1, 2, 4, 6
THD+N
Total harmonic distortion plus noise
vs Frequency
3, 5,
Vn
Output noise voltage
vs Frequency
7
Supply ripple rejection ratio
vs Frequency
8, 9
Crosstalk
vs Frequency
10, 11
Shutdown attenuation
vs Frequency
12
Closed loop response
13, 14
PO
Output power
vs Load resistance
15, 16
PD
Power dissipation
vs Output power
17, 18
PD
Power dissipation
vs Ambient temperature
19
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