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MAX4245, MAX4246, MAX4247
Ultra-Small, Rail-to-Rail I/O with Disable, Single/Dual-Supply, Low-Power Op Amps
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Status
Active: In Production.
Description
The MAX4245/MAX4246/MAX4247 family of low-cost op amps offer rail-to-rail inputs and outputs, draw only 320µA of quiescent current, and operate from a single +2.5V to +5.5V supply. For additional power conservation, the MAX4245/MAX4247 offer a low-power shutdown mode that reduces supply current to 50nA, and puts the amplifiers' outputs in a high-impedance state. These devices are unity-gain stable with a 1MHz gain-bandwidth product driving capacitive loads up to 470pF.
The MAX4245/MAX4246/MAX4247 family is specified from -40°C to +125°C, making them suitable for use in a variety of harsh environments, such as automotive applications. The MAX4245 single amplifier is available in ultra-small 6-pin SC70 and space-saving 6-pin SOT23 packages. The MAX4246 dual amplifier is available in 8-pin, SO, SOT23 and µMAX® packages. The MAX4247 dual amplifier comes in a tiny 10-pin µMAX package.
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Data Sheet
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Key Features
- Rail-to-Rail Input and Output Voltage Swing
- 50nA (max) Shutdown Mode (MAX4245/MAX4247)
- 320µA (typ) Quiescent Current Per Amplifier
- Single +2.5V to +5.5V Supply Voltage Range
- 110dB Open-Loop Gain with 2kΩ Load
- 0.01% THD with 100kΩ Load
- Unity-Gain Stable up to CLOAD = 470pF
- No Phase Inversion for Overdriven Inputs
- Available in Space-Saving Packages
- 6-Pin SC70 or 6-Pin SOT23 (MAX4245)
- 8-Pin SOT23/SO or 8-Pin µMAX (MAX4246)
- 10-Pin µMAX (MAX4247)
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Applications/Uses
- Automotive Sensors
- Base Station/Wireless Infrastructure
- Computers: Desktops, Workstations, and Servers
- Computers: Motherboards
- Computers: Notebook
- Electronic Ignition Modules
- GPS Solutions
- Infrared Receivers
- Instruments and Terminals
- MP3 Docking Stations: Mid Level
- Portable Communications
- Programmable Logic Controllers (PLCs)
- Sensor-Signal Detection
- Set-Top Boxes
- Single-Supply Zero-Crossing Detectors
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Key Specifications:
| Operational Amplifiers |
| Part Number |
Amps. |
Rail to Rail |
AVCL |
VSUPPLY (Total)
(V) |
VSUPPLY (Total)
(V) |
ICC per Amp.
(µA) |
ICC per Amp.
(µA) |
VOS
(µV) |
CMRR @DC
(dB) |
PSRR @DC
(dB) |
Input IBIAS
(nA) |
Unity Gain BW
(MHz) |
Slew Rate
(V/µs) |
en
(nV/√Hz) |
in
(pA/√Hz) |
Low Pwr. Shutdn |
Package/Pins |
Budgetary Price |
| min |
min |
max |
typ |
max |
max |
typ |
typ |
max |
typ |
typ |
See Notes |
| MAX4245 |
1 |
Input/Output |
1 |
2.5 |
5.5 |
375 |
700 |
1500 |
60 |
70 |
50 |
1 |
0.4 |
52 |
0.1 |
Yes |
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$0.40 @1k |
| MAX4246 |
2 |
No |
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$0.63 @1k |
| MAX4247 |
2 |
Yes |
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$0.65 @1k |
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See All Operational Amplifiers (160)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Pin Configurations
More Information
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Information Index
Document Ref.: 19-2016
Rev 2;
2011-11-28
This page last modified: 2011-11-28
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