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| 型號(hào)： | TPA152DR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.075 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | GREEN, PLASTIC, SOIC-8 |
| 文件頁(yè)數(shù)： | 12/18頁(yè) |
| 文件大小： | 430K |
| 代理商： | TPA152DR |
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TPA152
75-mW STEREO AUDIO POWER AMPLIFIER
SLOS210A – JUNE 1998 – REVISED MARCH 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VDD
6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage , VI
–0.3 V to VDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation
internally limited (See Dissipation Rating Table)
. . . . . . . . . . . . . . . . . . . . .
Operating junction temperature range, TJ
–40
°C to 150° C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating case temperature range, TC
–40
°C to 125° C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
D
724 mW
5.8 mW/
°C
464 mW
376 mW
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VDD
4.5
5.5
V
Operating free-air temperature, TA
–40
85
°C
dc electrical characteristics at TA = 25°C, VDD = 5 V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOO
Output offset voltage
10
mV
Supply ripple rejection ratio
VDD = 4.9 V to 5.1 V
81
dB
IDD
Supply current
See Figure 13
5.5
14
mA
IDD(MUTE) Supply current in MUTE
5.5
14
mA
ZI
Input impedance
>1
M
ac operating characteristics VDD = 5 V, TA = 25°C, RL = 32 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power (each channel)
THD
≤ 0.03%,
Gain = 1,
See Figure 1
75
mW
THD+N
Total harmonic distortion plus noise
PO = 75 mW,
20 Hz–20 kHz, Gain = 1,
See Figure 2
0.2%
BOM
Maximum output power bandwidth
AV = 5,
THD <0.6%,
See Figure 2
>20
kHz
Phase margin
Open loop,
See Figure 16
80
°
Supply ripple rejection ratio
1 kHz,
CB = 1 F,
See Figure 12
65
dB
Mute attenuation
See Figure 15
110
dB
Ch/Ch output separation
See Figure 13
102
dB
Signal-to-Noise ratio
VO = 1 V(rms),
Gain = 1
See Figure 11
104
dB
Vn
Noise output voltage
See Figure 10
6
V(rms)
Measured at 1 kHz.
NOTES:
1. The dc output voltage is approximately VDD/2.
2. Output power is measured at the output pins of the IC at 1 kHz.
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