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參數資料
| 型號： | MAX4294 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-Small, !.8V, レPower, Rail-to-Rail I/O Op Amps |
| 中文描述： | 超小型、+1.8V、微功耗、滿擺幅輸入/輸出運算放大器 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 397K |
| 代理商： | MAX4294 |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
M
Ultra-Small, +1.8V, μPower,
Rail-to-Rail I/O Op Amps
________________________________________________________________
Maxim Integrated Products
1
V
EE
OUT
IN-
1
5
V
CC
IN+
SC70-5/SOT23-5
TOP VIEW
2
3
4
V
EE
OUTB
OUTA
INB-
INB+
V
CC
INA+
INA-
μMAX/SO
1
2
8
7
3
4
6
5
MAX4292
MAX4291
19-1612; Rev 0; 3/00
Pin Configurations
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
8 μMAX
8 SO
5 SOT23-5
5 SC70-5
PIN-
PACKAGE
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
MAX4292
EUA*
MAX4292ESA*
MAX4291EUK-T
MAX4291
EXK-T
PART
Ordering Information
Selector Guide
—
—
ADML
AAD
TOP
MARK
14 TSSOP
14 SO
MAX4294EUD*
MAX4294
ESD*
—
—
Pin Configurations continued at end of data sheet.
14-pin SO/TSSOP
8-pin μMAX/SO
5-pin SC70/SOT23
PIN-PACKAGE
AMPLIFIERS
PER PACKAGE
1
2
4
MAX4294
MAX4292
MAX4291
PART
General Description
The MAX4291/MAX4292/MAX4294 family of micropow-
er operational amplifiers operates from a +1.8V to
+5.5V single supply or ±0.9V to ±2.75V dual supplies
and has Rail-to-Rail
input/output capabilities. These
amplifiers provide a 500kHz gain-bandwidth product
and 120dB open-loop voltage gain while using only
100μA of supply current per amplifier. The combination
of low input offset voltage (±400μV) and high-open-loop
gain makes them suitable for low-power/low-voltage
high-precision applications.
The MAX4291/MAX4292/MAX4294 have an input com-
mon-mode range that extends to each supply rail, and
their outputs typically swing within 20mV of the rails with
a 2k
load. Although the minimum operating voltage is
specified at +1.8V, these devices typically operate down
to +1.5V. The combination of ultra-low-voltage operation,
rail-to-rail inputs/output, and low-power consumption
makes these devices ideal for any portable/two-cell bat-
tery-powered system.
The single MAX4291 is offered in an ultra-small 5-pin
SC70 package and the dual MAX4292 is offered in a
space-saving 8-pin μMAX package.
Applications
2-Cell Battery-Operated Systems
Portable Electronic Equipment
Battery-Powered Instrumentation
Digital Scales
Strain Gauges
Sensor Amplifiers
Cellular Phones
Features
o
Ultra-Low Voltage Operation—Guaranteed Down
to +1.8V
o
100μA Supply Current per Amplifier
o
500kHz Gain-Bandwidth Product
o
120dB Open-Loop Voltage Gain (R
L
= 100k
)
o
0.017% THD + Noise at 1kHz
o
Rail-to-Rail Input Common-Mode Range
o
Rail-to-Rail Output Drives 2k
Load
o
No Phase Reversal for Overdriven Inputs
o
Unity-Gain Stable for Capacitive Loads up to 100pF
o
400μV Input Offset Voltage
o
Single Available in Ultra-Small 5-Pin SC70
Dual Available in Space-Saving 8-Pin μMAX
*Future product—contact factory for availability.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4294ESD | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail 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 |
| MAX4294ESD+ | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail 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 |
| MAX4294ESD+T | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail 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 |
| MAX4294ESD-T | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail 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 |
| MAX4294EUD | 功能描述:運算放大器 - 運放 1.8V uPower Rail-Rail 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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