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參數(shù)資料
| 型號： | TPA0232PWPRG4 |
| 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, TSSOP-24 |
| 文件頁數(shù)： | 31/36頁 |
| 文件大?。?/td> | 805K |
| 代理商： | TPA0232PWPRG4 |
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DISSIPATION RATING TABLE
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA0232
SLOS286D – NOVEMBER 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)
See the Texas Instruments document, PowerPAD Thermally Enhanced Package Application Report (literature number SLMA002), for
more information on the PowerPAD package. The thermal data was measured on a PCB layout based on the information in the section
entitled Texas Instruments Recommended Board for PowerPAD on page 33 of the before mentioned document.
MIN
MAX
UNIT
Supply voltage, VDD
4.5
5.5
V
SE/BTL, HP/LINE
0.8
× V
DD
High-level input voltage, VIH
V
SHUTDOWN
2
SE/BTL, HP/LINE
0.6
× V
DD
Low-level input voltage, VIL
V
SHUTDOWN
0.8
Operating free-air temperature, TA
-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 V, Av = 2 V/V
35
mV
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
67
dB
High-level input current (SHUTDOWN, SE/BTL,
|IIH|
VDD = 5.5 V, VI = VDD
900
nA
HP/LINE, VOLUME)
Low-level input current (SHUTDOWN, SE/BTL,
|IIL|
VDD = 5.5 V, VI = 0 V
900
nA
HP/LINE, VOLUME)
BTL mode, SHUTDOWN = 2 V,
10
15
SE/BTL = HP/LINE = 0.6 VDD
IDD
Supply current
mA
SE mode, SHUTDOWN = 2 V,
5
7.5
SE/BTL = HP/LINE = 0.8 VDD
SHUTDOWN = 0 V,
IDD(SD)
Supply current, shutdown mode
150
300
A
SE/BTL = HP/LINE = 0 VDD
V
DD = 5 V, TA = 25°C, RL = 4 , Gain = 2 V/V, BTL mode (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD = 10%
2.8
PO
Output power
RL = 3 , f = 1 kHz
W
THD = 1%
2.3
THD+N
Total harmonic distortion plus noise
PO = 1 W, f = 20 Hz to 15 kHz
0.4%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
BTL mode
65
Supply ripple rejection ratio
f = 1 kHz, C(BYP) = 0.47 F
dB
SE mode
60
BTL mode
34
C(BYP) = 0.47 F,
Vn
Noise output voltage
VRMS
f = 20 Hz to 20 kHz
SE mode
44
4
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