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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP6494 Datasheet

Low-Input Bias Current Op Amps

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MCP6491/2/4
7.5 MHz, Low-Input Bias Current Op Amps
Features
• Low-Input Bias Current
- 150 pA (typical, TA = +125°C)
• Low Quiescent Current
- 530 µA/amplifier (typical)
• Low-Input Offset Voltage
- ±1.5 mV (maximum)
• Supply Voltage Range: 2.4V to 5.5V
• Rail-to-Rail Input/Output
• Gain Bandwidth Product: 7.5 MHz (typical)
• Slew Rate: 6 V/µs (typical)
• Unity Gain Stable
• No Phase Reversal
• Small Packages
- Singles in SC70-5, SOT-23-5
• Extended Temperature Range
- -40°C to +125°C
Applications
• Photodiode Amplifier
• pH Electrode Amplifier
• Low Leakage Amplifier
• Piezoelectric Transducer Amplifier
• Active Analog Filter
• Battery-Powered Signal Conditioning
Description
The Microchip MCP6491/2/4 family of operational
amplifiers (op amps) has low-input bias current
(150 pA, typical at 125°C) and rail-to-rail input and
output operation. This family is unity gain stable and
has a gain bandwidth product of 7.5 MHz (typical).
These devices operate with a single-supply voltage as
low as 2.4V, while only drawing 530 µA/amplifier
(typical) of quiescent current. These features make the
family of op amps well suited for photodiode amplifier,
pH electrode amplifier, low leakage amplifier, and
battery-powered signal conditioning applications, etc.
The MCP6491/2/4 family is offered in single
(MCP6491), dual (MCP6492), quad (MCP6494)
packages. All devices are designed using an advanced
CMOS process and fully specified in extended
temperature range from -40°C to +125°C.
Related Parts
• MCP6471/2/4: 2 MHz, Low-Input Bias Current Op
Amps
• MCP6481/2/4: 4 MHz, Low-Input Bias Current Op
Amps
Design Aids
• SPICE Macro Models
• FilterLab® Software
• MAPS (Microchip Advanced Part Selector)
• Analog Demonstration and Evaluation Boards
• Application Notes
Package Types
MCP6491
SC70, SOT-23
VOUT 1
VSS 2
VIN+ 3
5 VDD
4 VIN
MCP6492
SOIC, MSOP
VOUTA 1
VINA2
VINA+ 3
VSS 4
8 VDD
7 VOUTB
6 VINB
5 VINB+
* Includes Exposed Thermal Pad (EP); see Table 3-1.
MCP6492
2x3 TDFN*
MCP6494
SOIC, TSSOP
VOUTA 1
8 VDD VOUTA 1
VINA2 EP 7 VOUTB VINA2
VINA+ 3 9 6 VINBVINA+ 3
VSS 4
5 VINB+ VDD 4
VINB+ 5
VINB6
VOUTB 7
14 VOUTD
13 VIND
12 VIND+
11 VSS
10 VINC+
9 VINC
8 VOUTC
2012-2013 Microchip Technology Inc.
DS20002321C-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP6494 Datasheet

Low-Input Bias Current Op Amps

No Preview Available !

MCP6491/2/4
Typical Application
C2
R2
ID1
Light
VDD
D1 MCP649X
+
VOUT
Photodiode Amplifier
DS20002321C-page 2
2012-2013 Microchip Technology Inc.


Part Number MCP6494
Description Low-Input Bias Current Op Amps
Maker Microchip
Total Page 30 Pages
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