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參數(shù)資料
| 型號(hào)： | TPA0112PWPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24 |
| 封裝： | GREEN, PLASTIC, HTSSOP-24 |
| 文件頁數(shù)： | 29/34頁 |
| 文件大小： | 655K |
| 代理商： | TPA0112PWPR |
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DISSIPATION RATING TABLE
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA0112
SLOS204C – MAY 1999 – REVISED SEPTEMBER 2004
PACKAGE
TA≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
PWP
2.7 W(1)
21.8 mW/
°C
1.7 W
1.4 W
(1)
Please see the Texas Instrumentsdocument, PowerPAD Thermally EnhancedPackage Application
Report (literature number SLMA002), for moreinformation on the PowerPAD package. The thermal
data was measured on a PCBlayout based on the information in the section entitledTexas
Instruments Recommended Board forPowerPAD of the before-mentioned document.
MIN
MAX
UNIT
VDD
Supply voltage
4.5
5.5
V
SE/BTL, GAIN0, GAIN1
0.8 x VDD
VIH
High-level input voltage
V
SHUTDOWN
2
SE/BTL
0.6 x VDD
VIL
Low-level input voltage
GAIN0, GAIN1
0.4 x VDD
V
SHUTDOWN
0.8
TA
Operating free-air temperature
–40
85
°C
at specified free-air temperature, V
DD = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
Output offset voltage (measured differentially)
VI = 0, AV = 2 V/V
25
mV
PSRR
Power supply rejection ratio
VDD = 4.5 V to 5.5 V
77
dB
|IIH|
High-level input current
VDD = 5.5 V, VI = VDD
900
nA
|IIL|
Low-level input current
VDD = 5.5 V, VI = 0 V
900
nA
BTL mode
6
8
IDD
Supply current
mA
SE mode
3
4
IDD(SD)
Supply current, shutdown mode
150
300
A
V
DD = 5 V, TA = 25°C, RL = 8 , Gain = 2 V/V, BTL mode
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD+N = 10%
2.6
PO
Output power
RL = 3
W
THD+N = 1%
2.05
THD + N
Total harmonic distortion plus noise
PO = 1 W,
f = 20 Hz to 15 kHz
0.75%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
f = 1 kHz,
Supply ripple rejection ratio
BTL mode
–72
dB
CB = 0.47 F
SNR
Signal-to-noise ratio
105
dB
BTL mode
20
CB = 0.47 F,
Vn
Noise output voltage
VRMS
f = 20 Hz to 20 kHz
SE mode
18
ZI
Input impedance(1)
(1)
See Table 1 and itsassociated text.
4
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