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參數(shù)資料
| 型號： | INA105AM |
| 元件分類： | 差分放大器 |
| 英文描述： | Precision Unity Gain DIFFERENTIAL AMPLIFIER |
| 中文描述： | 精密單位增益差分放大器 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 182K |
| 代理商： | INA105AM |
INA105
5
COMMON-MODE INPUT RANGE vs SUPPLY
(Difference Amplifier Connected, V
OUT
= 0)
Supply Voltage (V)
±3
I
36
30
24
18
12
6
0
±6
±9
±12
±15
±18
±21
Negative CMV
Positive CMV
POWER SUPPLY REJECTION
vs FREQUENCY
Frequency (Hz)
1
P
140
120
100
80
60
40
10
100
1k
10k
100k
V–
V+
TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= 25
°
C, V
S
=
±
15V, unless otherwise noted.
APPLICATION INFORMATION
Figure 1 shows the basic connections required for operation
of the INA105. Power supply bypass capacitors should be
connected close to the device pins.
The differential input signal is connected to pins 2 and 3 as
shown. The source impedances connected to the inputs must
be nearly equal to assure good common-mode rejection. A
5
mismatch in source impedance will degrade the com-
mon-mode rejection of a typical device to approximately
80dB. If the source has a known mismatch in source imped-
ance, an additional resistor in series with one input can be
used to preserve good common-mode rejection.
The output is referred to the output reference terminal (pin
1) which is normally grounded. A voltage applied to the Ref
terminal will be summed with the output signal. This can be
used to null offset voltage as shown in Figure 2. The source
impedance of a signal applied to the Ref terminal should be
less than 10
to maintain good common-mode rejection.
Do not interchange pins 1 and 3 or pins 2 and 5, even though
nominal resistor values are equal. These resistors are laser
trimmed for precise resistor ratios to achieve accurate gain
and highest CMR. Interchanging these pins would not pro-
vide specified performance.
FIGURE 1. Basic Power Supply and Signal Connections.
V
3
5
6
3
INA105
V
OUT
= V
3
–
V
2
2
R
3
R
1
R
2
R
4
V
2
25k
25k
25k
25k
1μF
V–
4
1μF
V+
7
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| INA105BM | Precision Unity Gain DIFFERENTIAL AMPLIFIER |
| INA105KP | Precision Unity Gain DIFFERENTIAL AMPLIFIER |
| INA105KU | Precision Unity Gain DIFFERENTIAL AMPLIFIER |
| INA106KU | Precision Gain = 10 DIFFERENTIAL AMPLIFIER |
| INA106 | Precision Gain = 10 DIFFERENTIAL AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| INA105BM | 功能描述:差分放大器 Precision Unity Gain RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 Channel 帶寬:2.4 GHz 可用增益調(diào)整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
| INA105BM | 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC 制造商:Texas Instruments 功能描述:IC, DIFFERENTIAL AMP, 1MHZ, 3V/ uS TO99-8 |
| INA105KP | 功能描述:差分放大器 Precision Unity Gain RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 Channel 帶寬:2.4 GHz 可用增益調(diào)整:6 dB to 26 dB 輸入補償電壓: 共模抑制比（最小值）:- 40 dB 工作電源電壓:4.75 V to 5.25 V 電源電流:100 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WQFN-24 封裝:Reel |
| INA105KP | 制造商:BURR-BROWN 功能描述:IC AMP DIFF UNITY GAIN DIP8 105 |
| INA105KP | 制造商:Texas Instruments 功能描述:Instrumentation Amplifier IC |
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