參數(shù)資料
型號： TPA741DGNRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： GREEN, PLASTIC, MSOP-8
文件頁數(shù)： 21/27頁
文件大?。?/td> 760K
代理商： TPA741DGNRG4
www.ti.com
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
TPA741
SLOS316C – JUNE 2000 – REVISED JUNE 2004
MIN
MAX
UNIT
VDD
Supply voltage,
2.5
5.5
V
VIH
High-level voltage (SHUTDOWN)
0.9VDD
V
VIL
Low-level voltage (SHUTDOWN)
0.1VDD
V
TA
Operating free-air temperature
–40
85
°C
at specified free-air temperature, V
DD = 3.3 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially)
SHUTDOWN = 0 V, RL = 8 , RF = 10 k
20
mV
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
85
dB
IDD
Supply current
SHUTDOWN = 0 V, RF = 10 k
1.35
2.5
mA
Supply current, shutdown mode
IDD(SD)
SHUTDOWN = VDD, RF = 10 k
7
50
A
(see Figure 6)
|IIH|
SHUTDOWN, VDD = 3.3 V, Vi = 3.3 V
1
A
|IIL|
SHUTDOWN, VDD = 3.3 V, Vi = 0 V
1
A
V
DD = 3.3 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power, See(1)
THD = 0.5%,
250
mW
THD + N
Total harmonic distortion plus noise
PO = 250 mW,
f = 200 Hz to 4 kHz, See Figure 7
0.55%
BOM
Maximum output power bandwidth
AV = -2 V/V,
THD = 2%, See Figure 7
20
kHz
B1
Unity-gain bandwidth
Open loop,
1.4
MHz
kSVR
Supply ripple rejection ratio
f = 1 kHz,
CB = 1 F, See Figure 2
79
dB
Vn
Noise output voltage
AV = -1 V/V,
CB = 0.1 F, See Figure 19
17
V(rms)
(1)
Output power is measured at the output terminals of the device at f = 1 kHz.
at specified free-air temperature, V
DD = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially) SHUTDOWN = 0 V, RL = 8 , RF = 10 k
20
mV
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
78
dB
IDD
Supply current
SHUTDOWN = 0 V, RF = 10 k
1.45
2.5
mA
Supply current, shutdown mode (see Fig-
IDD(SD)
SHUTDOWN = VDD, RF = 10 k
50
100
A
|IIH|
SHUTDOWN, VDD = 5.5 V, Vi = VDD
1
A
|IIL|
SHUTDOWN, VDD = 5.5 V, Vi = 0 V
1
A
3
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