参数资料
型号: TPA701DGNG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 音频/视频放大
英文描述: 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装: GREEN, PLASTIC, MSOP-8
文件页数: 22/28页
文件大小: 790K
代理商: TPA701DGNG4
TPA701
700-mW MONO LOW-VOLTAGE AUDIO POWER AMPLIFIER
SLOS229D – NOVEMBER1998 – REVISED MAY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VDD
2.5
5.5
V
High-level voltage, VIH
SHUTDOWN
0.9 VDD
V
Low-level voltage, VIL
SHUTDOWN
0.1 VDD
V
Operating free-air temperature, TA
– 40
85
°C
electrical characteristics at specified free-air temperature, VDD = 3.3 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
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
1.25
2.5
mA
IDD(SD)
Supply current, shutdown mode (see Figure 4)
SHUTDOWN = VDD, RF = 10 k
1.5
1000
nA
|IIH|
High-level input current
SHUTDOWN, VDD = 3.3 V, VI = 3.3 V
1
A
|IIL|
Low-level input current
SHUTDOWN, VDD = 3.3 V, VI = 0 V
1
A
operating characteristics, VDD = 3.3 V, TA = 25°C, RL = 8
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power, see Note 1
THD = 0.2%,
See Figure 9
250
mW
THD + N
Total harmonic distortion plus noise
AV = – 2 V/V,
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,
See Figure 15
1.4
MHz
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)
NOTE 1: Output power is measured at the output terminals of the device at f = 1 kHz.
electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
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
1.25
2.5
mA
IDD(SD)
Supply current, shutdown mode (see Figure 4)
SHUTDOWN = VDD, RF = 10 k
5
1500
nA
|IIH|
High-level input current
SHUTDOWN, VDD = 5.5 V, VI = VDD
1
A
|IIL|
Low-level input current
SHUTDOWN, VDD = 5.5 V, VI = 0 V
1
A
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