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參數(shù)資料
| 型號(hào)： | MAX4198 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers |
| 中文描述： | 微功耗、單電源、滿擺幅、精密差分放大器 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 227K |
| 代理商： | MAX4198 |
Instrumentation Amplifier Applic ations
For applications that require a complete low-power
instrumentation amplifier, refer to the MAX4194–
MAX4197 data sheet. Some differential to single-ended
voltage amplifier applications that don’t require a high
input impedance can use the MAX4198/MAX4199 for
gains of +1V/V or +10V/V. The MAX4198/MAX4199 can
also be used as an instrumentation amplifier building
block. The circuit of Figure 7 takes advantage of the
10pA (max), 0.1pA (typ) bias current of the MAX406A
to form an instrumentation amplifier similar to the
MAX4194 family, except with lower input bias currents.
The MAX406A's low 1.2μA supply current maintains a
low overall supply current.
M
Mic ropower, S ingle-S upply, Rail-to-Rail
Prec ision Differential Amplifiers
______________________________________________________________________________________
11
MAX4198
5
FB
6
OUT
V
EE
V
CC
1
3
IN+
V
A
REF
2
IN-
V
OUT
V
OUT
= 2V
A
Figure 4. Precision Gain of Two Amplifiers
MAX4198
FB
IN+
V
CC
OUT
IN-
V
A
V
CC
REF
V
OUT
V
OUT
= -V
A
Figure 5. Single-Supply Inverting Amplifier Biased at V
CC
/ 2
MAX4198
5
2
IN-
3
IN+
5
COM
1
REF
1
4
NC
6
NO
IN
FB
6
OUT
V
EE
LOGIC
IN
0
1
V
OUT
-V
A
+V
A
NOTE:
MAX4544 PINOUT FOR 6-PIN SOT23-6
V
CC
V
A
V
OUT
MAX4544
Figure 6. Digitally Controlled Precision Gain of ±1 Amplifier
MAX4198
FB
IN-
V
A
IN+
OUT
REF
A1, A2 = MAX406A
V
OUT
= (1 + 2R
2
/ R
1
) (V
B
- V
A
)
V
OUT
V
B
A2
A1
R
2
R
1
R
2
Figure 7. Ultra-Low Input Bias Current (0.1pA) Instrumentation
Amplifiers with 47μA Supply-Current Consumption
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4198-MAX4199 | Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers |
| MAX4198ESA | Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers |
| MAX4210 | High-Side Power and Current Monitors |
| MAX4210-MAX4211 | High-Side Power and Current Monitors |
| MAX4210AETT | High-Side Power and Current Monitors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4198_04 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Micropower, Single-Supply, Rail-to-Rail Precision Differential Amplifiers |
| MAX4198ESA | 功能描述:差分放大器 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(bǔ)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 |
| MAX4198ESA+ | 功能描述:差分放大器 uPower Single-Supply Rail-Rail Precision 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(bǔ)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 |
| MAX4198ESA+T | 功能描述:差分放大器 uPower Single-Supply Rail-Rail Precision 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(bǔ)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 |
| MAX4198ESA-T | 功能描述:差分放大器 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(bǔ)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 |
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