MCP6071 Microchip Technology Inc., MCP6071 Datasheet

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MCP6071

Manufacturer Part Number
MCP6071
Description
110 ?a, High Precision Op Amps
Manufacturer
Microchip Technology Inc.
Datasheet

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Features
• Low Offset Voltage:
• Low Quiescent Current: 110 µA (typical)
• Rail-to-Rail Input and Output
• Wide Supply Voltage Range: 1.8V to 6.0V
• Gain Bandwidth Product: 1.2 MHz (typical)
• Unity Gain Stable
• Extended Temperature Range: -40°C to +125°C
• No Phase Reversal
Applications
• Automotive
• Portable Instrumentation
• Sensor Conditioning
• Battery Powered Systems
• Medical Instrumentation
• Test Equipment
• Analog Filters
Design Aids
• SPICE Macro Models
• FilterLab
• Mindi
• MAPS (Microchip Advanced Part Selector)
• Analog Demonstration and Evaluation Boards
• Application Notes
Typical Application
© 2009 Microchip Technology Inc.
Z
IN
Z
L
IN
=
=
R
Circuit Designer & Simulator
®
R
L
RC
Software
L
+
jωL
R
C
L
±
150 µV (maximum)
110 µA, High Precision Op Amps
R
MCP6071
Gyrator
V
OUT
MCP6071/2/4
Description
The Microchip Technology Inc. MCP6071/2/4 family of
operational amplifiers (op amps) has low input offset
voltage (
output operation. This family is unity gain stable and
has a gain bandwidth product of 1.2 MHz (typical).
These devices operate with a single supply voltage as
low as 1.8V, while drawing low quiescent current per
amplifier (110 µA, typical). These features make the
family of op amps well suited for single-supply, high
precision, battery-powered applicaitons.
The
(MCP6071), dual (MCP6072), and quad (MCP6074)
configurations.
The MCP6071/2/4 is designed with Microchip’s
advanced CMOS process. All devices are available in
the extended temperature range, with a power supply
range of 1.8V to 6.0V.
Package Types
V
V
V
V
NC
V
IN
IN
V
SS
* Includes Exposed Thermal Pad (EP); see
NC
IN
IN
+
SS
+
MCP6071/2/4
1
2
3
4
1
2
3
4
MCP6071
2x3 TDFN
MCP6071
±
SOIC
150 µV, maximum) and rail-to-rail input and
EP
9
V
V
V
V
V
V
OUTB
OUTA
INA
INA
INB
V
INB
DD
8
7
6
5
8
7
6
5
+
+ 5
– 6
NC
V
V
NC
SOIC, TSSOP
1
2
3
4
7
NC
V
V
NC
DD
OUT
DD
OUT
MCP6074
family
V
V
V
V
OUTA
V
V
INA
INA
V
OUTA
INA
INA
V
SS
is
+
SS
14
13
12
10 V
11
+
9
8 V
1
2
3
4
1
2
3
4
V
V
V
V
V
MCP6072
2x3 TDFN
offered
MCP6072
OUTD
IND
IND
SS
INC
INC
OUTC
SOIC
DS22142A-page 1
EP
+
+
9
Table
8
7
6
5
in
8
7
6
5
V
V
V
V
3-1.
V
V
V
V
DD
OUTB
INB
INB
single
DD
OUTB
INB
INB
+
+

Related parts for MCP6071

MCP6071 Summary of contents

Page 1

... © 2009 Microchip Technology Inc. MCP6071/2/4 Description The Microchip Technology Inc. MCP6071/2/4 family of operational amplifiers (op amps) has low input offset ± voltage ( 150 µV, maximum) and rail-to-rail input and output operation. This family is unity gain stable and has a gain bandwidth product of 1.2 MHz (typical). ...

Page 2

... MCP6071/2/4 NOTES: DS22142A-page 2 © 2009 Microchip Technology Inc. ...

Page 3

... CMR SS DD −0 — V +0.3 CMR SS DD CMRR 72 89 — — — — changed across temperature. MCP6071/2/4 = GND +25° / Units Conditions µ 3.0V µV/° -40°C to +85° 3.0V ...

Page 4

... MCP6071/2/4 TABLE 1-1: DC ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: Unless otherwise indicated, V ≈ / and kΩ OUT Parameters Open-Loop Gain DC Open-Loop Gain (Large Signal) Output Maximum Output Voltage Swing Output Short-Circuit Current Power Supply Supply Voltage Quiescent Current per Amplifier ...

Page 5

... 100 kΩ IN+ MCP607X ( ) IN– (V/ (V) 100 kΩ (mV) FIGURE 1-1: Most Specifications. MCP6071/2 6 100 kΩ 100 nF 1 µF V OUT kΩ 100 kΩ C ...

Page 6

... MCP6071/2/4 NOTES: DS22142A-page 6 © 2009 Microchip Technology Inc. ...

Page 7

... Samples V 800 3.0V DD 600 400 200 0 -200 -400 -600 -800 -1000 FIGURE 2-6: Common Mode Input Voltage with V MCP6071/2/4 ≈ / OUT DD = 6.0V Representative Part Common Mode Input Voltage (V) Input Offset Voltage vs. = 6.0V 3.0V Representative Part -40 ° +25°C ...

Page 8

... MCP6071/2/4 Note: Unless otherwise indicated +25° / kΩ and pF 350 Representative Part 250 150 50 - 3.0V -150 DD -250 V = 1.8V DD -350 Output Voltage (V) FIGURE 2-7: Input Offset Voltage vs. Output Voltage. 1000 T = -40 °C 800 Representative Part ...

Page 9

... Ambient Temperature with V 180 160 140 120 100 105 125 FIGURE 2-17: Power Supply Voltage with V 120 100 -20 0.1 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 FIGURE 2-18: Frequency. MCP6071/2/4 ≈ / OUT 100 125 Ambient Temperature (° ...

Page 10

... MCP6071/2/4 Note: Unless otherwise indicated +25° / kΩ and pF 150 145 140 135 130 125 120 115 110 Ω L 105 V + 0.2V < V < 0.2V SS OUT DD 100 1.5 2.0 2.5 3.0 3.5 4.0 4.5 Power Supply Voltage (V) FIGURE 2-19: DC Open-Loop Gain vs. ...

Page 11

... FIGURE 2-28: vs. Ambient Temperature. 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 1M -50 -25 1000000 FIGURE 2-29: Temperature 1. 6. FIGURE 2-30: Pulse Response. MCP6071/2/4 ≈ / OUT - 100 125 Ambient Temperature (°C) Output Voltage Headroom Falling Edge 6.0V DD Falling Edge 1.8V DD Rising Edge ...

Page 12

... Time (0.02 ms/div) FIGURE 2-33: Large Signal Inverting Pulse Response. DS22142A-page 12 = +1.8V to +6.0V GND 7.0 6.0 5.0 V 4.0 IN 3.0 2.0 1 6.0V 0 V/V -1.0 FIGURE 2-34: The MCP6071/2/4 Shows No Phase Reversal. 1000 100 100 10 100 FIGURE 2-35: Impedance vs. Frequency. 1.E-03 1m 100 µ 1.E-04 10µ 1.E-05 1µ 1.E-06 100n 1.E- -40 °C A 10n 1.E- +25°C A 1.E- +85° ...

Page 13

... Exposed Thermal Pad (EP) There is an internal electrical connection between the Exposed Thermal Pad (EP) and the V be connected to the same potential on the Printed Circuit Board (PCB). MCP6071/2/4 Description Analog Output (op amp A) Inverting Input (op amp A) Non-inverting Input (op amp A) Positive Power Supply Non-inverting Input (op amp B) ...

Page 14

... MCP6071/2/4 NOTES: DS22142A-page 14 © 2009 Microchip Technology Inc. ...

Page 15

... A significant amount of IN- current can flow out of the inputs when the common mode voltage (V Figure 2-36). 4.1.3 NORMAL OPERATION The input stage of the MCP6071/2/4 op amps uses two differential input stages in parallel. One operates – IN Pad low common mode input voltage (V operates at a high V ...

Page 16

... Capacitive Loads. DS22142A-page 16 After selecting R resulting frequency response peaking and step response overshoot. Modify R response is reasonable. Bench evaluation and simula- tions with the MCP6071/2/4 SPICE macro model are very helpful. 4.4 Supply Bypass With this family of operational amplifiers, the power supply pin (V bypass capacitor (i.e., 0.01 µ ...

Page 17

... A 5V difference would between nearby traces is 10 cause current to flow; which is greater than the MCP6071/2/4 family’s bias current at +25°C (±1.0 pA, typical). The easiest way to reduce surface leakage is to use a guard ring around sensitive pins (or traces). The guard ring is biased at the same voltage as the sensitive pin ...

Page 18

... Equivalent Circuit L FIGURE 4-7: Gyrator. DS22142A-page 18 4.7.2 INSTRUMENTATION AMPLIFIER The MCP6071/2/4 op amps are well suited for condi- tioning sensor signals in battery-powered applications. Figure 4-8 shows a two op amp instrumentation amplifier, using the MCP6072, that works well for applications requiring rejection of common mode noise Figure 4- at higher gains. The reference voltage (V supplied by a low impedance source ...

Page 19

... Microchip provides the basic design tools needed for the MCP6071/2/4 family of op amps. 5.1 SPICE Macro Model The latest SPICE macro model for the MCP6071/2/4 op amps is available on the Microchip web site at www.microchip.com. This model is intended initial design tool that works well in the op amp’s linear region of operation over the temperature range ...

Page 20

... MCP6071/2/4 NOTES: DS22142A-page 20 © 2009 Microchip Technology Inc. ...

Page 21

... PACKAGING INFORMATION 6.1 Package Marking Information 8-Lead SOIC (150 mil) (MCP6071, MCP6072) XXXXXXXX XXXXYYWW NNN 8-Lead 2x3 TDFN (MCP6071, MCP6072) XXX YWW NN 14-Lead SOIC (150 mil) (MCP6074) XXXXXXXXXX XXXXXXXXXX YYWWNNN 14-Lead TSSOP (MCP6074) XXXXXX YYWW NNN Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) ...

Page 22

... MCP6071/2/4 DS22142A-page 22 α φ β © 2009 Microchip Technology Inc. ...

Page 23

... Microchip Technology Inc. MCP6071/2/4 DS22142A-page 23 ...

Page 24

... MCP6071/2/4 DS22142A-page 24 © 2009 Microchip Technology Inc. ...

Page 25

... Microchip Technology Inc. MCP6071/2/4 DS22142A-page 25 ...

Page 26

... MCP6071/2/4 DS22142A-page 26 φ β © 2009 Microchip Technology Inc. α ...

Page 27

... Microchip Technology Inc. MCP6071/2/4 DS22142A-page 27 ...

Page 28

... MCP6071/2/4 DS22142A-page 28 I © 2009 Microchip Technology Inc. φ ...

Page 29

... APPENDIX A: REVISION HISTORY Revision A (March 2009) • Original Release of this Document. © 2009 Microchip Technology Inc. MCP6071/2/4 DS22142A-page 29 ...

Page 30

... MCP6071/2/4 NOTES: DS22142A-page 30 © 2009 Microchip Technology Inc. ...

Page 31

... Microchip Technology Inc. MCP6071/2/4 . Examples: a) MCP6071-E/SN: 8LD SOIC pkg b) MCP6071T-E/SN: Tape and Reel, 8LD SOIC pkg c) MCP6071-E/MNY: 8LD 2x3 TDFN pkg d) MCP6071T-E/MNY: Tape and Reel, 8LD 2x3 TDFN pkg a) MCP6072-E/SN: 8LD SOIC pkg b) MCP6072T-E/SN: Tape and Reel, ...

Page 32

... MCP6071/2/4 NOTES: DS22142A-page 32 © 2009 Microchip Technology Inc. ...

Page 33

... Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. © 2009 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC, K ...

Page 34

... Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-572-9526 Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2009 Microchip Technology Inc. 02/04/09 ...

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