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參數(shù)資料
| 型號(hào)： | INA103KP |
| 元件分類： | 測(cè)量放大器 |
| 英文描述： | Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier |
| 中文描述： | 單電源，軌至軌，低成本儀表放大器 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 297K |
| 代理商： | INA103KP |
INA103
8
TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25
°
C, V
S
=
±
15V unless, otherwise noted.
APPLICATIONS INFORMATION
Figure 1 shows the basic connections required for operation.
Power supplies should be bypassed with 1
μ
F tantalum
capacitors near the device pins. The output Sense (pin 11)
and output Reference (pin 7) should be low impedance
connections. Resistance of a few ohms in series with these
connections will degrade the common-mode rejection of the
amplifier.
To avoid oscillations, make short, direct connection to the
gain set resistor and gain sense connections. Avoid running
output signals near these sensitive input nodes.
INPUT CONSIDERATIONS
Certain source impedances can cause the INA103 to oscil-
late. This depends on circuit layout and source or cable
characteristics connected to the input. An input network
consisting of a small inductor and resistor (Figure 2) can
greatly reduce the tendancy to oscillate. This is especially
useful if various input sources are connected to the INA103.
Although not shown in other figures, this network can be
used, if needed, with all applications shown.
GAIN SELECTION
Gains of 1 or 100V/V can be set without external resistors.
For G = 1V/V (unity gain) leave pin 14 open (no connec-
tion)—see Figure 4. For G = 100V/V, connect pin 14 to pin
6—see Figure 5.
Gain can also be accurately set with a single external resistor
as shown in Figure 1. The two internal feedback resistors are
laser-trimmed to 3k
within approximately
±
0.1%. The
temperature coefficient of these resistors is approximately
50ppm/C. Gain using an external R
G
resistor is—
G = 1 +6k
R
G
1
0.1
0.010
0.001
0.0005
S
SMPTE IMD vs FREQUENCY
Frequency (Hz)
5
2k
10k
20k
G = 1000
G = 100
G = 1
G = 10
CURRENT NOISE SPECTRAL DENSITY
100
C
1
10
100
1k
10k
Frequency (Hz)
1
10
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| INA104 | Very-High Accuracy INSTRUMENTATION AMPLIFIER |
| INA104AM | RES THKF 0805 .125W 5% 680 OHM ROHS |
| INA104BM | Very-High Accuracy INSTRUMENTATION AMPLIFIER |
| INA104CM | Very-High Accuracy INSTRUMENTATION AMPLIFIER |
| INA104SM | Very-High Accuracy INSTRUMENTATION AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| INA103KP | 制造商:Texas Instruments 功能描述:AMP INSTRUMENTATION PDIP16 103 |
| INA103KPG4 | 功能描述:儀表放大器 Low-Noise Low-Distortion RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補(bǔ)償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk |
| INA103KU | 功能描述:儀表放大器 Low-Noise Low-Distortion RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補(bǔ)償電壓:150 V 可用增益調(diào)整: 最大輸入電阻:10 kOhms 共模抑制比（最小值）:88 dB 工作電源電壓:2.7 V to 36 V 電源電流:200 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:MSOP-8 封裝:Bulk |
| INA103KU | 制造商:Texas Instruments 功能描述:IC SM AMP INSTRUMENTATION |
| INA103KU | 制造商:Texas Instruments 功能描述:AMP INSTRUMENTATION SOIC16 103 |
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