MCP6281-E/SL Microchip Technology, MCP6281-E/SL Datasheet

Page 1

... A connected to the non-inverting input of op amp B). The chip select input puts the device in Low Power mode. The MCP6281/2/3/4/5 family operates in the Extended Temperature Range of -40°C to +125°C. It also has a power supply range of 2.2V to 5.5V. ...

Page 2

... MCP6281/2/3/4/5 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † V – V ........................................................................7. All Inputs and Outputs ..................... V -0. Difference Input Voltage ...................................... |V Output Short Circuit Current ..................................continuous Current at Input Pins ....................................................±2 mA Current at Output and Supply Pins ............................±30 mA Storage Temperature.....................................-65°C to +150°C Junction Temperature ( .........................................+150°C J ESD Protection On All Pins (HBM ...

Page 3

... Thermal Package Resistances Thermal Resistance, 8L-PDIP Thermal Resistance, 8L-SOIC Thermal Resistance, 8L-MSOP Thermal Resistance, 14L-PDIP Thermal Resistance, 14L-SOIC Thermal Resistance, 14L-TSSOP Note: The Junction Temperature (T J  2004 Microchip Technology Inc. MCP6281/2/3/4/5 = +25° +2.2V to +5.5V /2. DD Sym Min Typ Max ...

Page 4

... MCP6281/2/3/4/5 MCP6283/MCP6285 CHIP SELECT (CS) SPECIFICATIONS Electrical Characteristics: Unless otherwise indicated / / OUT DD L Parameters Sym CS Low Specifications CS Logic Threshold, Low CS Input Current, Low I CS High Specifications CS Logic Threshold, High CS Input Current, High I GND Current Amplifier Output Leakage ...

Page 5

... +25° -40°C A -100 -0.5 0.0 0.5 1.0 1.5 Common Mode Input Voltage (V) FIGURE 2-3: Input Offset Voltage vs. Common Mode Input Voltage with V  2004 Microchip Technology Inc. MCP6281/2/3/4/5 = +2.2V to +5.5V GND 30% 832 Samples 25 -40°C to +125°C A 20% 15% 10 -10 -8 ...

Page 6

... MCP6281/2/3/4/5 Note: Unless otherwise indicated +25° and pF 300 250 Representative Part 200 150 100 5. 2. -50 -100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 Output Voltage (V) FIGURE 2-7: Input Offset Voltage vs. Output Voltage. 110 PSRR- 100 CMRR 90 PSRR+ ...

Page 7

... Frequency (Hz) FIGURE 2-14: Open-Loop Gain, Phase vs. Frequency 5. 2. 0.1 1k 10k 100k 1M Frequency (Hz) FIGURE 2-15: Maximum Output Voltage Swing vs. Frequency.  2004 Microchip Technology Inc. MCP6281/2/3/4/5 = +2.2V to +5.5V GND 1000 100 T = +125° +85° +25° -40° 4.0 4.5 5 ...

Page 8

... MCP6281/2/3/4/5 Note: Unless otherwise indicated +25° and pF 1,000 100 10 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 0 100 1k 10k Frequency (Hz) FIGURE 2-19: Input Noise Voltage Density vs. Frequency with V = 5.0V +125° +85° +25° -40°C ...

Page 9

... Time (500 ns/div) FIGURE 2-26: Small Signal Non-inverting Pulse Response. 2.5 CS Voltage 2.0 1.5 V OUT 1.0 0.5 Output High-Z 0.0 0.0E+00 5.0E-06 1.0E-05 1.5E-05 2.0E-05 2.5E-05 3.0E-05 Time (5 µs/div) FIGURE 2-27: Chip Select (CS) to Amplifier Output Response Time with V (MCP6283 and MCP6285 only).  2004 Microchip Technology Inc. MCP6281/2/3/4/5 = +2.2V to +5.5V GND 5 +1V/V 4 5.0V DD 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1.E-05 2.E-05 2.E-05 2.E -05 0.E+00 FIGURE 2-28: Response. ...

Page 10

... Time (1 ms/div) FIGURE 3-1: The MCP6281/2/3/4/5 Show No Phase Reversal. The input stage of the MCP6281/2/3/4/5 op amp uses two differential input stages in parallel. One operates at low common mode input voltage (V ), while the other CM operates at high V . With this topology, the device CM operates with V ...

Page 11

... Normalized Load Capacitance; C FIGURE 3-6: for Capacitive Loads. After selecting R resulting frequency response peaking and step response overshoot. Modify R response is reasonable. Bench evaluation and simula- tions with the MCP6281/2/3/4/5 SPICE macro model are very helpful. in Figure 3-5) improves the ISO R ISO V OUT C ...

Page 12

... DS21811C-page 12 3.8 Application Circuits 3.8.1 SALLEN-KEY HIGHPASS FILTER The MCP6281/2/3/4/5 op amps can be used in active- filter applications. Figure 3-8 shows a second-order Sallen-Key highpass filter with a gain of 1. The output bias voltage is set by the V be changed to any voltage within the output voltage range. ...

Page 13

... OSA amp B offset voltage OSB Therefore recommended to set most of the gain with op amp A and use op amp B with relatively small gain unity-gain buffer.  2004 Microchip Technology Inc. MCP6281/2/3/4 FIGURE 3-11: Configuration. 3.8.3.3 Figure 3-12 shows op amp A configured as a difference amplifier with chip select ...

Page 14

... MCP6281/2/3/4/5 3.8.3.4 Buffered Non-inverting Integrator Figure 3-13 shows a buffered non-inverting integrator with chip select. Op amp A is configured as a non- inverting integrator. In this configuration, matching the impedance at each input is recommended provide a feedback loop at frequencies << 1/(2 RC). Op amp B is used to isolate the load from the integrator. ...

Page 15

... MCP6281/2/3/4/5 family of op amps. 4.1 SPICE Macro Model The latest version of the SPICE Macro Model for the MCP6281/2/3/4/5 op amps is available on our 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 at room temperature. See the model file for information on its capabilities ...

Page 16

... Standard marking consists of Microchip part number, year code, week code, traceability code (facility code, mask rev#, and assembly code). For marking beyond this, certain price adders apply. Please check with your Microchip Sales Office. DS21811C-page 16 Example: 6281 407256 Example: MCP6281 E/P256 0407 Example: MCP6281 E/SN0407 256  2004 Microchip Technology Inc. ...

Page 17

... Package Marking Information (Continued) 14-Lead PDIP (300 mil) (MCP6284) XXXXXXXXXXXXXX XXXXXXXXXXXXXX YYWWNNN 14-Lead SOIC (150 mil) (MCP6284) XXXXXXXXXX XXXXXXXXXX YYWWNNN 14-Lead TSSOP (MCP6284) XXXXXX YYWW NNN  2004 Microchip Technology Inc. MCP6281/2/3/4/5 Example: MCP6284-E/P 0407256 Example: MCP6284ESL 0407256 Example: 6284ST 0407 256 DS21811C-page 17 ...

Page 18

... MCP6281/2/3/4/5 8-Lead Plastic Micro Small Outline Package (MS) (MSOP (F) β Dimension Limits Number of Pins Pitch Overall Height Molded Package Thickness Standoff Overall Width Molded Package Width Overall Length Foot Length Footprint (Reference) Foot Angle Lead Thickness Lead Width Mold Draft Angle Top ...

Page 19

... Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MS-001 Drawing No. C04-018  2004 Microchip Technology Inc. MCP6281/2/3/4 ...

Page 20

... MCP6281/2/3/4/5 8-Lead Plastic Small Outline (SN) – Narrow, 150 mil (SOIC Dimension Limits Number of Pins Pitch Overall Height Molded Package Thickness Standoff § Overall Width Molded Package Width Overall Length Chamfer Distance Foot Length Foot Angle Lead Thickness Lead Width ...

Page 21

... Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MS-001 Drawing No. C04-005  2004 Microchip Technology Inc. MCP6281/2/3/4 Units INCHES* ...

Page 22

... MCP6281/2/3/4/5 14-Lead Plastic Small Outline (SL) – Narrow, 150 mil (SOIC Dimension Limits Number of Pins Pitch Overall Height Molded Package Thickness Standoff § Overall Width Molded Package Width Overall Length Chamfer Distance Foot Length Foot Angle Lead Thickness Lead Width ...

Page 23

... Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .005” (0.127mm) per side. JEDEC Equivalent: MO-153 Drawing No. C04-087  2004 Microchip Technology Inc. MCP6281/2/3/4 Units INCHES ...

Page 24

... MCP6281/2/3/4/5 NOTES: DS21811C-page 24  2004 Microchip Technology Inc. ...

Page 25

... MCP6281-E/SN: Extended Temperature, 8LD SOIC package. b) MCP6281-E/MS: Extended Temperature, 8LD MSOP package. c) MCP6281-E/P: Extended Temperature, 8LD PDIP package. d) MCP6281T-E/SN: Tape and Reel, Extended Temperature, 8LD SOIC package. a) MCP6282-E/SN: Extended Temperature, 8LD SOIC package. b) MCP6282-E/MS: Extended Temperature, 8LD MSOP package. c) MCP6282-E/P: Extended Temperature, 8LD PDIP package ...

Page 26

... MCP6281/2/3/4/5 NOTES: DS21811C-page 26  2004 Microchip Technology Inc. ...

Page 27

... PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

Page 28

... Italy Via Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands Waegenburghtplein 4 NL-5152 JR, Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 05/28/04  2004 Microchip Technology Inc. ...