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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP6V81 Datasheet

Zero-Drift Op Amps

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MCP6V81/1U/2/4
5 MHz, 0.5 mA, Zero-Drift Op Amps
Features
• High DC Precision:
- VOS Drift: ±20 nV/°C (maximum, VDD = 5.5V)
- VOS: ±9 µV (maximum)
- AOL: 126 dB (minimum, VDD = 5.5V)
- PSRR: 117 dB (minimum, VDD = 5.5V)
- CMRR: 118 dB (minimum, VDD = 5.5V)
- Eni: 0.28 µVP-P (typical), f = 0.1 Hz to 10 Hz
- Eni: 0.1 µVP-P (typical), f = 0.01 Hz to 1 Hz
• Enhanced EMI Protection:
- Electromagnetic Interference Rejection Ratio
(EMIRR) at 1.8 GHz: 101 dB
• Low Power and Supply Voltages:
- IQ: 0.5 mA/amplifier (typical)
- Wide supply voltage range: 2.2V to 5.5V
• Small Packages:
- Singles in SC70, SOT-23
- Duals in MSOP-8, 2x3 TDFN
- Quads in TSSOP-14
• Easy to Use:
- Rail-to-rail input/output
- Gain Bandwidth Product: 5 MHz (typical)
- Unity Gain Stable
• Extended Temperature Range: -40°C to +125°C
Typical Applications
• Portable Instrumentation
• Sensor Conditioning
• Temperature Measurement
• DC Offset Correction
• Medical Instrumentation
Design Aids
• SPICE Macro Models
• FilterLab® Software
• Microchip Advanced Part Selector (MAPS)
• Analog Demonstration and Evaluation Boards
• Application Notes
Related Parts
• MCP6V11/1U/2/4: Zero-Drift, Low Power
• MCP6V31/1U/2/4: Zero-Drift, Low Power
• MCP6V61/1U/2/4: Zero-Drift, 1 MHz
• MCP6V71/1U/2/4: Zero-Drift, 2 MHz
• MCP6V91/1U/2/4: Zero-Drift, 10 MHz
Description
The Microchip Technology Incorporated
MCP6V81/1U/2/4 family of operational amplifiers
provides input offset voltage correction for very low
offset and offset drift. These devices have a gain
bandwidth product of 5 MHz (typical). They are
unity-gain stable, have virtually no 1/f noise and have
good Power Supply Rejection Ratio (PSRR) and
Common Mode Rejection Ratio (CMRR). These
products operate with a single supply voltage as low as
2.2V, while drawing 500 µA/amplifier (typical) of
quiescent current.
The MCP6V81/1U/2/4 family has enhanced EMI
protection to minimize any electromagnetic
interference from external sources. This feature makes
it well suited for EMI-sensitive applications such as
power lines, radio stations and mobile
communications, etc.
The MCP6V81/1U/2/4 op amps are offered in single
(MCP6V81 and MCP6V81U), dual (MCP6V82) and
quad (MCP6V84) packages. They were designed
using an advanced CMOS process.
Package Types
MCP6V81
SOT-23
MCP6V81U
SC70, SOT-23
VOUT 1
VSS 2
VIN+ 3
5 VDD
4 VIN-
VIN+ 1
VSS 2
VIN– 3
5 VDD
4 VOUT
MCP6V82
MSOP
MCP6V82
2×3 TDFN *
VOUTA 1
VINA– 2
VINA+ 3
VSS 4
8 VDD VOUTA 1
8 VDD
7 VOUTB VINA- 2
6 VINB- VINA+ 3
EP
9
7 VOUTB
6 VINB-
5 VINB+ VSS 4
5 VINB+
MCP6V84
TSSOP
VOUTA 1
VINA- 2
VINA+ 3
VDD 4
VINB+ 5
VINB- 6
VOUTB 7
14 VOUTD
13 VIND-
12 VIND+
11 VSS
10 VINC+
9 VINC-
8 VOUTC
* Includes Exposed Thermal Pad (EP); see Table 3-1.
2016 Microchip Technology Inc.
DS20005419B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP6V81 Datasheet

Zero-Drift Op Amps

No Preview Available !

MCP6V81/1U/2/4
Typical Application Circuit
R1
VIN
R2
VDD/2
R2
C2 R4
- R5
+ U2
MCP6V81
R3
-
VOUT
+ U1
MCP6XXX
VDD/2
Offset Voltage Correction for Power Driver
Figures 1 and 2 show the input offset voltage of the
single-channel device MCP6V81/1U versus the
ambient temperature for different power supply
voltages.
8
27 Samples
6 VDD = 2.2V
4
2
0
-2
-4
-6
-8
-50 -25
0
25 50 75 100 125
Ambient Temperature (°C)
FIGURE 1:
Input Offset Voltage vs.
Ambient Temperature with VDD = 2.2V.
8
27 Samples
6 VDD = 5.5V
4
2
0
-2
-4
-6
-8
-50
-25 0 25 50 75 100 125
Ambient Temperature (°C)
FIGURE 2:
Input Offset Voltage vs.
Ambient Temperature with VDD = 5.5V.
As seen in Figures 1 and 2, the MCP6V81/1U op amps
have excellent performance across temperature. The
input offset voltage temperature drift (TC1) shown is
well within the specified maximum values of 20 nV/°C
at VDD = 5.5V and 25 nV/°C at VDD = 2.2V.
This performance supports applications with stringent
DC precision requirements. In many cases, it will not be
necessary to correct for temperature effects (i.e.,
calibrate) in a design. In the other cases, the correction
will be small.
DS20005419B-page 2
2016 Microchip Technology Inc.


Part Number MCP6V81
Description Zero-Drift Op Amps
Maker Microchip
Total Page 30 Pages
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