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參數(shù)資料
| 型號(hào)： | MAX4238ASA+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP LOW-NOISE 8-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 0.35 V/µs |
| 增益帶寬積： | 1MHz |
| 電流 - 輸入偏壓： | 1pA |
| 電壓 - 輸入偏移： | 0.1µV |
| 電流 - 電源： | 600µA |
| 電流 - 輸出 / 通道： | 40mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1388 (CN2011-ZH PDF) |
MAX4238/MAX4239
Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
19-2424; Rev 4; 1/14
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX4238/MAX4239 are low-noise, low-drift, ultra-
high precision amplifiers that offer near-zero DC offset
and drift through the use of patented autocorrelating
zeroing techniques. This method constantly measures
and compensates the input offset, eliminating drift over
time and temperature and the effect of 1/f noise. Both
devices feature rail-to-rail outputs, operate from a single
2.7V to 5.5V supply, and consume only 600A. An active-
low shutdown mode decreases supply current to 0.1A.
The MAX4238 is unity-gain stable with a gain-band-
width product of 1MHz, while the decompensated
MAX4239 is stable with AV
≥ 10V/V and a GBWP of
6.5MHz. The MAX4238/MAX4239 are available in 8-pin
narrow SO, 6-pin TDFN and SOT23 packages.
Applications
Thermocouples
Strain Gauges
Electronic Scales
Medical Instrumentation
Instrumentation Amplifiers
Features
o Ultra-Low, 0.1V Offset Voltage
2.0V (max) at +25°C
2.5V (max) at -40°C to +85°C
3.5V (max) at -40°C to +125°C
o Low 10nV/°C Drift
o Specified over the -40°C to +125°C Automotive
Temperature Range
o Low Noise: 1.5VP-P from DC to 10Hz
o 150dB AVOL, 140dB PSRR, 140dB CMRR
o High Gain-Bandwidth Product
1MHz (MAX4238)
6.5MHz (MAX4239)
o 0.1A Shutdown Mode
o Rail-to-Rail Output (RL = 1kΩ)
o Low 600A Supply Current
o Ground-Sensing Input
o Single 2.7V to 5.5V Supply Voltage Range
o Available in a Space-Saving 6-Pin SOT23 and
TDFN Packages
Ultra-Low Offset/Drift, Low-Noise,
Precision SOT23 Amplifiers
MAX4238/
MAX4239
360
Ω
STRAIN GAUGE
18k
Ω
18k
Ω
AIN
5V
AV = 100
ADC
Typical Application Circuit
Pin Configurations appear at end of data sheet.
Note: All devices are specified over the -40°C to +125°C oper-
ating temperature range.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed paddle.
/V denotes an automotive-qualified part.
Ordering Information
PART
PIN-PACKAGE
TOP MARK
MAX4238AUT-T
6 SOT23
AAZZ
MAX4238AUT/V+T
6 SOT23
—
MAX4238ASA
8 SO
—
MAX4238ATT+T
6 TDFN-EP*
+ANG
MAX4239AUT-T
6 SOT23
ABAA
MAX4239AUT/V+T
6 SOT23
—
MAX4239ASA
8 SO
—
MAX4239ATT+T
6 TDFN-EP*
+ANH
Selector Guide
PART
MINIMUM STABLE
GAIN
BANDWIDTH
(MHz)
MAX4238
1V/V
1
MAX4239
10V/V
6.5
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4238ASA+ | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道數(shù)量: 輸入補(bǔ)償電壓:0.25 mV at +/- 5 V 輸入電壓范圍（最大值）: 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX4238ASA+T | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道數(shù)量: 輸入補(bǔ)償電壓:0.25 mV at +/- 5 V 輸入電壓范圍（最大值）: 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX4238ASA-T | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道數(shù)量: 輸入補(bǔ)償電壓:0.25 mV at +/- 5 V 輸入電壓范圍（最大值）: 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| MAX4238ATT+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL GP R-R O/P 5.5V 6TDFN EP - Rail/Tube |
| MAX4238ATT+T | 功能描述:精密放大器 Low Offset/Drift Precision RoHS:否 制造商:Maxim Integrated 每芯片的通道數(shù)量: 輸入補(bǔ)償電壓:0.25 mV at +/- 5 V 輸入電壓范圍（最大值）: 安裝風(fēng)格: 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
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