MP3V5050DP

Pressure Freescale Semiconductor Integrated Silicon Pressure Sensor On-Chip Signal Conditioned, Temperature Compensated and Calibrated The MP3V5050 series piezoresistive transducer is a state-of-the-art monolithic silicon pressure sensor designed for a wide range of applications, but particularly those employing a microcontroller or microprocessor with A/D inputs. This patented, single element transducer combines advanced micromachining techniques, thin-film metallization, and bipolar processing to provide an accurate, high level analog output signal that is proportional to the applied pressure. MP3V5050 Rev 1, 11/2009 MP3V5050 Series 0 to 50 kPa (0 to 7.25 psi) 0.06 to 2.82 V Output Features • • • • • • • 2.5% Maximum Error over 0° to 85°C Ideally suited for Microprocessor or Microcontroller-Based Systems Temperature Compensated Over -40° to +125°C Patented Silicon Shear Stress Strain Gauge Thermoplastic (PPS) Surface Mount Package Multiple Porting Options for Design Flexibility Barbed Side Ports for Robust Tube Connection ORDERING INFORMATION Case Device Name No. None Small Outline Package (MP3V5050 Series) MP3V5050DP MP3V5050GP MP3V5050GC6U MP3V5050GC6T1 1351 1369 482A 482A # of Ports Single Dual • • • • • • • Gauge Pressure Type Differential • Absolute Device Marking MP3V5050G MP3V5050G MP3V5050G MP3V5050G SMALL OUTLINE PACKAGES MP3V5050GC6U/6T1 CASE 482A-01 MP3V5050DP CASE 1351-01 MP3V5050GP CASE 1369-01 © Freescale Semiconductor, Inc., 2008, 2009. All rights reserved. Pressure Operating Characteristics Table 1. Operating Characteristics (VS = 3.0 Vdc, TA = 25°C unless otherwise noted, P1 > P2. Decoupling circuit shown in Figure 4 required to meet electrical specifications.) Characteristic Pressure Range(1) Supply Voltage(2) Supply Current Minimum Pressure Offset(3) @ VS = 3.0 Volts Full Scale Output(4) @ VS = 3.0 Volts Full Scale Span(5) @ VS = 3.0 Volts Accuracy(6) Sensitivity Response Time(7) Output Source Current at Full Scale Output Warm-Up Time(8) Offset Stability(9) 1. 1.0 kPa (kiloPascal) equals 0.145 psi. 2.Device is ratiometric within this specified excitation range. 3.Offset (Voff) is defined as the output voltage at the minimum rated pressure. 4.Full Scale Output (VFSO) is defined as the output voltage at the maximum or full rated pressure. 5.Full Scale Span (VFSS) is defined as the algebraic difference between the output voltage at full rated pressure and the output voltage at the minimum rated pressure. 6.Accuracy (error budget) consists of the following: Linearity: Output deviation from a straight line relationship with pressure over the specified pressure range. Temperature Hysteresis: Output deviation at any temperature within the operating temperature range, after the temperature is cycled to and from the minimum or maximum operating temperature points, with zero differential pressure applied. Pressure Hysteresis: Output deviation at any pressure within the specified range, when this pressure is cycled to and from the minimum or maximum rated pressure at 25°C. TcSpan: Output deviation over the temperature range of 0° to 85°C, relative to 25°C. TcOffset: Output deviation with minimum pressure applied, over the temperature range of 0° to 85°C, relative to 25°C. Variation from Nominal: The variation from nominal values, for Offset or Full Scale Span, as a percent of VFSS at 25°C. 7.Response Time is defined as the time for the incremental change in the output to go from 10% to 90% of its final value when subjected to a specified step change in pressure. 8.Warm-up Time is defined as the time required for the product to meet the specified output voltage after the Pressure has been stabilized. 9.Offset Stability is the product's output deviation when subjected to 1000 hours of Pulsed Pressure, Temperature Cycling with Bias Test. (0 to 85°C) Symbol POP VS Io Voff Min 0 2.7 — 0.053 Typ — 3.0 7.0 0.12 Max 50 3.3 10 0.188 Unit kPa Vdc mAdc Vdc (0 to 85°C) VFSO 2.752 2.8 2.888 Vdc (0 to 85°C) VFSS — 2.7 — Vdc (0 to 85°C) — V/P tR Io+ — — — — — — — — — 54 1.0 0.1 20 ± 0.5 ±2.5 — — — — — %VFSS mV/kPa ms mAdc ms %VFSS MP3V5050 2 Sensors Freescale Semiconductor Pressure Maximum Ratings Table 2. Maximum Ratings(1) Rating Maximum Pressure (P1 > P2) Storage Temperature Operating Temperature Symbol Pmax Tstg TA Value 200 -40° to +125° -40° to +125° Unit kPa °C °C 1.Exposure beyond the specified limits may cause permanent damage or degradation to the device. Figure 1 shows a block diagram of the internal circuitry integrated on a pressure sensor chip. VS 2 Sensing Element Thin Film Temperature Compensation and Gain Stage #1 Gain Stage #2 and Ground Reference Shift Circuitry 4 Vout 3 GND Pins 1, 5, 6, 7, and 8 are NO CONNECTS for Small Outline Package Device Figure 1. Fully Integrated Pressure Sensor Schematic MP3V5050 Sensors Freescale Semiconductor 3 Pressure On-chip Temperature Compensation and Calibration Figure 3 illustrates the Differential/Gauge Sensing Chip in the basic chip carrier (Case 482A). A fluorosilicone gel isolates the die surface and wire bonds from the environment, while allowing the pressure signal to be transmitted to the sensor diaphragm. The MP3V5050 series pressure sensor operating characteristics, and internal reliability and qualification tests are based on use of dry air as the pressure media. Media, other than dry air, may have adverse effects on sensor performance and long-term reliability. Contact the factory for information regarding media compatibility in your application. 3 Transfer Function: Vout = VS*(0.018*P+0.04) ± ERROR VS = 3.0 Vdc TEMP = 0 to 85°C TYPICAL MAX 1 MIN Figure 2 shows the sensor output signal relative to pressure input. Typical, minimum, and maximum output curves are shown for operation over a temperature range of 0° to 85°C using the decoupling circuit shown in Figure 4. The output will saturate outside of the specified pressure range. Figure 4 shows the recommended decoupling circuit for interfacing the output of the integrated sensor to the A/D input of a microprocessor or microcontroller. Proper decoupling of the power supply is recommended. 2 Output (V) 0 0 5 10 15 20 25 30 35 40 45 50 55 Differential Pressure (kPa) Figure 2. Output vs. Pressure Differential FLUOROSILICONE GEL DIE COAT P1 WIRE BOND LEAD FRAME DIFFERENTIAL SENSING ELEMENT P2 DIE BOND THERMOPLASTIC CASE DIE STAINLESS STEEL CAP Figure 3. Cross-Sectional Diagram SOP (not to scale) 3V Vout Vs IPS 1.0 μF 0.01 μF GND OUTPUT 470 pF Figure 4. Recommended Power Supply Decoupling and Output Filtering (For additional output filtering, please refer to Application Note AN1646) MP3V5050 4 Sensors Freescale Semiconductor Pressure PRESSURE (P1)/VACUUM (P2) SIDE IDENTIFICATION TABLE Transfer Function Nominal Transfer Value: Vout = VS (P x 0.018 + 0.04) ± (Pressure Error x Temp. Factor x 0.018 x VS) VS = 3.0 V ± 0.30 Vdc Temperature Error Band MP3V5050 SERIES 4.0 3.0 Temperature Error Factor 2.0 1.0 0.0 –40 –20 0 20 40 60 80 100 120 140 Temperature in °C NOTE: The Temperature Multiplier is a linear response from 0° to –40°C and from 85° to 125°C. Temp –40 0 to 85 +125 Multiplier 3 1 3 Pressure Error Band Error Limits for Pressure 3.0 2.0 Pressure Error (kPa) 1.0 0.0 –1.0 –2.0 –3.0 Pressure 0 to 50 (kPa) Error (Max) ±1.25 (kPa) 0 10 20 30 40 50 60 Pressure (in kPa) PRESSURE (P1)/VACUUM (P2) SIDE IDENTIFICATION TABLE The two sides of the pressure sensor as the Pressure (P1) side and the Vacuum (P2) side. The Pressure (P1) side is the side containing fluorosilicone gel which protects the die from harsh media. The MP3V pressure sensor is designed to operate with positive differential pressure applied, P1 > P2. The Pressure (P1) side may be identified by using the table below: Pressure (P1) Side Identifier Side with Port Attached Side with Part Marking Vertical Port Attached Part Number MP3V5050GP MP3V5050DP MP3V5050GC6U/T1 Case Type 1369 1351 482A MP3V5050 Sensors Freescale Semiconductor 5 Pressure PACKAGE DIMENSIONS –A– 4 5 D 8 PL 0.25 (0.010) M TB S A S N –B– G 8 1 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006). 5. ALL VERTICAL SURFACES 5_ TYPICAL DRAFT. DIM A B C D G H J K M N S V W INCHES MIN MAX 0.415 0.425 0.415 0.425 0.500 0.520 0.038 0.042 0.100 BSC 0.002 0.010 0.009 0.011 0.061 0.071 0_ 7_ 0.444 0.448 0.709 0.725 0.245 0.255 0.115 0.125 MILLIMETERS MIN MAX 10.54 10.79 10.54 10.79 12.70 13.21 0.96 1.07 2.54 BSC 0.05 0.25 0.23 0.28 1.55 1.80 0_ 7_ 11.28 11.38 18.01 18.41 6.22 6.48 2.92 3.17 S W V C H J K M PIN 1 IDENTIFIER –T– SEATING PLANE CASE 482A-01 ISSUE A UNIBODY PACKAGE MP3V5050 6 Sensors Freescale Semiconductor Pressure PACKAGE DIMENSIONS PAGE 1 OF 2 CASE 1351-01 ISSUE A SMALL OUTLINE PACKAGE MP3V5050 Sensors Freescale Semiconductor 7 Pressure PACKAGE DIMENSIONS PAGE 2 OF 2 CASE 1351-01 ISSUE A SMALL OUTLINE PACKAGE MP3V5050 8 Sensors Freescale Semiconductor Pressure PACKAGE DIMENSIONS PAGE 1 OF 2 CASE 1369-01 ISSUE B SMALL OUTLINE PACKAGE MP3V5050 Sensors Freescale Semiconductor 9 Pressure PACKAGE DIMENSIONS PAGE 2 OF 2 CASE 1369-01 ISSUE B SMALL OUTLINE PACKAGE MP3V5050 10 Sensors Freescale Semiconductor How to Reach Us: Home Page: www.freescale.com Web Support: http://www.freescale.com/support USA/Europe or Locations Not Listed: Freescale Semiconductor, Inc. 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Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2009. All rights reserved. MP3V5050 Rev. 1 11/2009