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參數(shù)資料
| 型號： | MAX5426CEUD+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INSTR AMP PROGR PREC 14-TSSOP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 96 |
| 系列： | * |
| 類型： | * |
| 應用： | * |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 14-TSSOP |
| 包裝： | 管件 |
MAX5426
Precision Resistor Network for
Programmable Instrumentation Amplifiers
6
_______________________________________________________________________________________
Applications Information
The MAX5426 is ideal for programmable instrumentation
amplifier applications. The typical application circuit of
Figure 1 uses the MAX5426 in classical instrumentation
amplifier configurations. Two digital inputs set the gain to
1, 2, 4, or 8.
Op Amp Selection Guidelines
Selection of an op amp for instrumentation amplifier cir-
cuits depends on the accuracy requirements of the
specific application. General guidelines are to choose
an op amp with sufficient open-loop gain, low input-off-
set voltage, and a high common-mode rejection ratio.
High open-loop gain is needed to increase the gain
accuracy, while low input-offset voltage and low input-
offset current help meet gain and offset requirements.
Other parameters such as low input capacitance, low
input bias current, high input common-mode range,
and low noise often need to be considered for a wide
input voltage range stability and AC considerations.
The MAX427 is an excellent choice to use with the
MAX5426.
Stereo Audio-Taper Attenuator
Figure 2 shows the application of the MAX5426 as a dual
attenuator that can be used in stereo audio systems.
Power Supplies and Bypassing
The MAX5426 operates from dual ±5V to ±15V sup-
plies. In many applications the MAX5426 does not
require bypassing. If power-supply noise is excessive,
bypass VDD and VSS with 0.1F ceramic capacitors to
GND.
Layout Concerns
For best performance, reduce parasitic board capaci-
tance by minimizing the circuit board trace from ampli-
fier outputs to inverting inputs. Also choose op amps
with low input capacitance.
CM
FB2
INDIF-
OUT2
INDIF+
OUT
OFFSET
VDD
VIN-
VIN+
GND
D1
D0
FB1
OUT1
VSS
VOUT
MAX5426
MAX427
Figure 1. Programmable Instrumentation Amplifier Using MAX5426
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5426CEUD+ | 功能描述:儀表放大器 Prec Resistor Net for Prog Inst Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補償電壓: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 |
| MAX5426CEUD+T | 功能描述:儀表放大器 Prec Resistor Net for Prog Inst Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 輸入補償電壓: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 |
| MAX5426CEUD-T | 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| MAX5427EGA | 制造商:Maxim Integrated Products 功能描述:ONE-TIME PROGRAMMABLE, LINEAR-TAPER DIGITAL P - Rail/Tube |
| MAX5427ETA | 制造商:Maxim Integrated Products 功能描述:ONE-TIME PROGRAMMABLE, LINEAR-TAPER DIGITAL P - Rail/Tube |
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