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  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP6V74 Datasheet

2 MHz Zero-Drift Op Amps

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MCP6V71/1U/2/4
170 µA, 2 MHz Zero-Drift Op Amps
Features
• High DC Precision:
- VOS Drift: ±15 nV/°C (maximum, VDD = 5.5V)
- VOS: ±8 µV (maximum)
- AOL: 126 dB (minimum, VDD = 5.5V)
- PSRR: 115 dB (minimum, VDD = 5.5V)
- CMRR: 117 dB (minimum, VDD = 5.5V)
- Eni: 0.45 µVP-P (typical), f = 0.1 Hz to 10 Hz
- Eni: 0.15 µVP-P (typical), f = 0.01 Hz to 1 Hz
• Enhanced EMI Protection:
- Electromagnetic Interference Rejection Ratio
(EMIRR) at 1.8 GHz: 96 dB
• Low Power and Supply Voltages:
- IQ: 170 µA/amplifier (typical)
- Wide Supply Voltage Range: 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: 2 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
• 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
• MCP6V61/1U: Zero-Drift 1 MHz
• MCP6V81/1U: Zero-Drift, 5 MHz
MCP6V91/1U: Zero-Drift, 10 MHz
Description
The Microchip Technology Inc. MCP6V71/1U/2/4
family of operational amplifiers provides input offset
voltage correction for very low offset and offset drift.
These are low-power devices with a gain bandwidth
product of 2 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 2V, while drawing
170 µA/amplifier (typical) of quiescent current.
The MCP6V71/1U/2/4 family has enhanced EMI pro-
tection 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 Microchip Technology Inc. MCP6V71/1U/2/4 op
amps are offered in single (MCP6V71 and
MCP6V71U), dual (MCP6V72) and quad (MCP6V74)
packages. They were designed using an advanced
CMOS process.
Package Types
MCP6V71
SOT-23
MCP6V72
MSOP
VOUT 1
VSS 2
VIN+ 3
5 VDD VOUTA 1
VINA– 2
4 VIN– VINA+ 3
VSS 4
8 VDD
7 VOUTB
6 VINB
5 VINB+
MCP6V71U
SC70, SOT-23
MCP6V72
2×3 TDFN *
VIN+ 1
VSS 2
VIN– 3
5 VDD VOUTA 1
8 VDD
VINA– 2
4 VOUT VINA+ 3
EP
9
7 VOUTB
6 VINB
VSS 4
5 VINB+
MCP6V74
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.
2015 Microchip Technology Inc.
DS20005385B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

MCP6V74 Datasheet

2 MHz Zero-Drift Op Amps

No Preview Available !

MCP6V71/1U/2/4
Typical Application Circuit
R1
VIN
R2
VDD/2
R2
R3
VOUT
C2 R4
R5
U2
MCP6V71
U1
MCP6XXX
VDD/2
Offset Voltage Correction for Power Driver
Figures 1 and 2 show input offset voltage versus ambi-
ent temperature for different power supply voltages.
8
28 Samples
6
VDD = 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.
Temperature with VDD = 2V.
8
2288SSaammpplleess
6 VVDDDD == 52.V5V
4
2
0
-2
-4
-6
-8
-50 -25
0
25 50 75 100 125
Ambient Temperature (°C)
FIGURE 2:
Input Offset Voltage vs.
Temperature with VDD = 5.5V.
As seen in Figures 1 and 2, the MCP6V71/1U/2/4 op
amps have excellent performance across temperature.
The input offset voltage temperature drift (TC1) shown
is well within the specified maximum values of
15 nV/°C at VDD = 5.5V and 30 nV/°C at VDD = 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.
DS20005385B-page 2
2015 Microchip Technology Inc.


Part Number MCP6V74
Description 2 MHz Zero-Drift Op Amps
Maker Microchip
Total Page 30 Pages
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