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參數資料
| 型號： | MAX4209HAUA+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/17頁 |
| 文件大小： | 0K |
| 描述： | IC INSTRUMENT AMP PREC 8-UMAX |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 放大器類型： | 儀表 |
| 電路數： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 0.055 V/µs |
| -3db帶寬： | 7.5kHz |
| 電流 - 輸入偏壓： | 1pA |
| 電壓 - 輸入偏移： | 3µV |
| 電流 - 電源： | 1.4mA |
| 電流 - 輸出 / 通道： | 25mA |
| 電壓 - 電源，單路/雙路(±)： | 2.85 V ~ 5.5 V，±1.425 V ~ 2.25 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 管件 |
| 產品目錄頁面： | 1388 (CN2011-ZH PDF) |
General Description
The MAX4208/MAX4209 ultra-low offset and drift instru-
mentation amplifiers feature exceptional precision specifi-
cations, low power consumption, rail-to-rail output,
excellent gain-bandwidth product, and buffered
REFIN/MODE input in a very small MAX package.
These devices use a spread-spectrum, autozeroing
technique that constantly measures and corrects the
input offset, eliminating drift over time and temperature and
the effect of 1/f noise. This technique achieves less than
20V offset voltage, allows ground-sensing capability, pro-
vides ultra-low CMOS input bias current and increased
common-mode rejection performance.
The MAX4208/MAX4209 provide high-impedance inputs
optimized for small-signal differential voltages (±100mV).
All devices provide a gain-bandwidth product of 750kHz.
The MAX4208 provides an adjustable gain with two
external resistors or unity gain with FB connected to OUT.
The MAX4209 is available with a fixed gain of 100V/V with
±0.03% (typ) accuracy. Both devices include a reference
input (REF) to level-shift the output, allowing for bipolar
signals in single-supply applications. In both devices,
REFIN/MODE is an input to a precision unity-gain buffer,
which sets the REF voltage to level-shift the output. The
internal REF buffer allows the reference to be set by a
simple resistive divider or an ADC reference without any
loading error.
The MAX4208/MAX4209 operate with a 2.85V to 5.5V
single-supply voltage and consume only 750A
of quiescent current (when the internal buffer is off) and
only 1.4A in shutdown mode. These amplifiers
also operate with ±2.5V dual supplies with REF
connected to ground and REFIN/MODE to VSS.
The MAX4208/MAX4209 are available in space-saving
8-pin MAX packages and are specified over the auto-
motive operating temperature range (-40°C to +125°C).
Applications
Automotive Transducer Applications
Strain-Gauge Amplifiers
Industrial Process Control
Battery-Powered Medical Equipment
Precision Low-Side Current Sense
Notebook Computers
Differential Voltage Amplification
Features
Ultra-Low Input Offset Voltage
±20V (max) at +25°C
±0.25% (max) Gain Error
Low 0.2V/°C Offset Voltage Drift
1pA CMOS Input Bias Current
True Ground Sensing with Rail-to-Rail Output
Buffered REF Input for High Accuracy and
Bipolar Operation
2.85V to 5.5V Single-Supply Operation
(or ±1.425V to ±2.75V Dual Supplies)
750A Supply Current
1.4A Shutdown Mode
750kHz Gain-Bandwidth Product
Operate Over the -40°C to +125°C Automotive
Temperature Range
Tiny 8-Pin MAX Package
Note: All 8-pin MAX packages have package code U8-1.
+Denotes a lead(Pb)-free/RoHS-compliant package.
MAX4208/MAX4209
Ultra-Low Offset/Drift, Precision
Instrumentation Amplifiers with REF Buffer
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-0924; Rev 1; 4/09
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-
PACKAGE
GAIN
(V/V)
MAX4208AUA+T
-40°C to +125°C
8 MAX
ADJ
MAX4209HAUA+T
-40°C to +125°C
8 MAX
100
MAX is a registered trademark of Maxim Integrated Products, Inc.
IN-
IN+
REFIN/MODE
REF
FB
MAX4208
R4
R3
VDD
VSS
CFB
5V
OUT
REF
R2
FB
R1
G = 1 + R2
R1
BUFFER OUT =
VDD/2
Typical Application Circuit
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4209HAUA+ | 功能描述:儀表放大器 Low Offset/Drift Instrumentation Amp RoHS:否 制造商:Texas Instruments 通道數量: 輸入補償電壓:150 V 可用增益調整: 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 |
| MAX4209HAUA+T | 功能描述:儀表放大器 Low Offset/Drift Instrumentation Amp RoHS:否 制造商:Texas Instruments 通道數量: 輸入補償電壓:150 V 可用增益調整: 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 |
| MAX420C/D | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX420CPA | 功能描述:運算放大器 - 運放 Integrated Circuits (ICs) RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX420CPA+ | 功能描述:運算放大器 - 運放 Chopper Stabilized RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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