TMPSNS-RTD1 Microchip Technology, TMPSNS-RTD1 Datasheet
TMPSNS-RTD1
Specifications of TMPSNS-RTD1
Related parts for TMPSNS-RTD1
TMPSNS-RTD1 Summary of contents
Page 1
... CS/SHDN SS © 2007 Microchip Technology Inc. MCP3301 General Description The Microchip Technology Inc. MCP3301 13-bit A/D converter features full differential inputs and low power consumption in a small package that is ideal for battery powered systems and remote data acquisition applications. Incorporating a successive approximation architecture with on-board sample and hold circuitry, this 13-bit A/ D converter is specified to have ± ...
Page 2
... MCP3301 Functional Block Diagram V REF CDAC Comparator - IN+ Sample & Hold IN- Circuits + Control Logic CS/SHDN CLK DS21700C-page 13-Bit SAR Shift Register D OUT © 2007 Microchip Technology Inc. ...
Page 3
... Maximum clock frequency specification must be met 400 mV 0. kHz REF IN 7: MSOP devices are only specified at 25°C and +85°C. 8: For slow sample rates, see Section 6.2.1 for limitations on clock frequency. © 2007 Microchip Technology Inc. PIN FUNCTION TABLE Name V REF IN(+) IN(-) +0.3V ...
Page 4
... SAMPLE DD ns Note 5 ns Note 5V, see Figure 3 2.7V, see Figure 3 5V, see Figure 3 2.7V, see Figure 3 See test circuits, Figure 3-1 (Note See test circuits, Figure 3-1; Note 1 ns See test circuits, Figure 3-1; Note 1 © 2007 Microchip Technology Inc. ...
Page 5
... MSOP devices are only specified at 25°C and +85°C. 8: For slow sample rates, see Section 6.2.1 for limitations on clock frequency SUCS CLK HI-Z D OUT FIGURE 1-1: Timing Parameters © 2007 Microchip Technology Inc 100 ksps with f = 17*f SAMPLE) CLK Min Typ Max V 2.7 — ...
Page 6
... Positive INL Negative INL Sample Rate (ksps) Integral Nonlinearity (INL) = 2.7V). DD Positive INL Negative INL 0.5 1 1 (V) REF Integral Nonlinearity (INL) = 2.7V). =2. ksps -2048 -1024 0 1024 2048 3072 4096 Code Integral Nonlinearity (INL) = 2.7V). DD © 2007 Microchip Technology Inc. ...
Page 7
... Positive INL 0.5 0.0 -0.5 Negative INL -1.0 -1.5 -2 (V) REF FIGURE 2-9: Differential Nonlinearity (DNL) vs REF © 2007 Microchip Technology Inc 5V, Full differential input configuration REF , T = 25°C. SAMPLE A 1 REF 0 ksps SAMPLE 0.6 0.4 0.2 0.0 -0.2 -0 ...
Page 8
... SAMPLE FIGURE 2-18: REF = 0V, SS =2. ksps -2048 -1024 0 1024 2048 3072 4096 Code Differential Nonlinearity =2. ksps Positive DNL Negative DNL 100 125 150 Temperature (°C) Differential Nonlinearity = 2.7V = 100 ksps SAMPLE (V) REF Offset Error vs REF © 2007 Microchip Technology Inc. 6 ...
Page 9
... DD REF ksps SAMPLE -50 -60 -70 -80 -90 -100 1 10 Input Frequency (kHz) FIGURE 2-21: Total Harmonic Distortion (THD) vs. Input Frequency. © 2007 Microchip Technology Inc 5V, Full differential input configuration REF , T = 25°C. SAMPLE A 3.5 = 100 ksps 2.5 2 1.5 1 0.5 0 100 150 ...
Page 10
... SAMPLE V =V =2.7V DD REF ksps SAMPLE 10 100 Input Frequency (kHz) Effective Number of Bits 0.1 µF Bypass Capacitor 10 100 1000 10000 Ripple Frequency (kHz) Power Supply Rejection 5000 10000 15000 20000 25000 Frequency (Hz) Frequency Spectrum of = 2.7V). DD © 2007 Microchip Technology Inc. ...
Page 11
... V =V =5V 300 DD REF F = 100 ksps SAMPLE 250 200 V =V 150 DD F SAMPLE 100 Temperature (°C) FIGURE 2-33: I vs. Temperature. DD © 2007 Microchip Technology Inc 5V, Full differential input configuration REF , T = 25°C. SAMPLE A 120 100 5 2.5 FIGURE 2-34: 100 ...
Page 12
... SAMPLE -0.6 -0 5.5 6 -50 FIGURE 2-40: Temperature 100 1 FIGURE 2-41: vs. Frequency 0V =5V DD REF F = 100 ksps SAMPLE =2.7V REF = 50 ksps 0 50 100 150 Temperature (°C) Negative Gain Error vs. 10 100 1000 Input Frequency (kHz) Common Mode Rejection © 2007 Microchip Technology Inc. ...
Page 13
... FIGURE 3-2: Load circuit for T © 2007 Microchip Technology Inc. Ω 2.63V FIGURE 3- ...
Page 14
... Figure 7-2 for serial communication protocol. 4 The voltage on this pin can range from 2.7 to 5.5V. To ensure accuracy, a 0.1 µF ceramic bypass capacitor should be placed as close as possible to the pin. See Section 6.6 for more information regarding circuit layout. ) OUT © 2007 Microchip Technology Inc. ...
Page 15
... This occurs for 13 clock cycles of the external CLK as defined in Figure 7-2. © 2007 Microchip Technology Inc. Signal to Noise Ratio - Signal to Noise Ratio (SNR) is defined as the ratio of the signal to noise measured at the output of the converter. The signal is defined as the rms amplitude of the fundamental frequency of the input signal ...
Page 16
... FIGURE 6-2: vs. Source Resistance (R INL. ) must be SAMPLE ) adds to the internal S ) impedance, directly affecting the SS ). SAMPLE 1000 10000 100000 Input Resistance (ohms) Maximum Clock Frequency ) to maintain ±1 LSB SS © 2007 Microchip Technology Inc. ...
Page 17
... The value of C will need to be quite large in order to bring down the high pass corner. The value of R needs kΩ or less, since higher input impedances © 2007 Microchip Technology Inc. DD Sampling Switch ...
Page 18
... REF levels down REF 4.05V 2.8V 2.3V 0.95V 5.0 2.5 4.0 V (V) REF Common Mode Range of . REF 4.05V 2.8V 2.3V 0.95V 2.5 1.25 2.0 V (V) REF Common Mode Range for Pseudo Differential Input. © 2007 Microchip Technology Inc. ...
Page 19
... The MCP601 Operational Amplifier is used to implement a 2nd order anti- aliasing filter for the signal being converted by the MCP3301. © 2007 Microchip Technology Inc. 6.6 Layout Considerations When laying out a printed circuit board for use with analog components, care should be taken to reduce noise wherever possible ...
Page 20
... Output Code Scale Output = V IN+ > IN 1111 1111 1111 (- 1111 1111 1110 (- 1111 1111 1101 (- 0000 0000 0001 (-4095 0000 0000 0000 (-4096) © 2007 Microchip Technology Inc. Decimal Binary Data DATA +4095 1111 1111 1111 +4094 1111 1111 1110 +2 0000 0000 0010 ...
Page 21
... CLK running to clock out the LSB-first data or zeros. FIGURE 7-3: Communication with MCP3301 (LSB first Format). © 2007 Microchip Technology Inc. 12 remaining data bits, as shown in Figure 7-2. Data is always output from the device on the falling edge of the clock ...
Page 22
... LSB first data begins to come out Don’t Care Bits ? = Unknown Bits MCU latches data from ADC on rising edges of SCLK 16 Data is clocked out of ADC on falling edges HI-Z B0 LSB first data begins to come out Don’t Care Bits ? = Unknown Bits © 2007 Microchip Technology Inc. ...
Page 23
... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2007 Microchip Technology Inc. MCP3301 : Example e ...
Page 24
... A2 0.75 0.85 A1 0.00 – E 4.90 BSC E1 3.00 BSC D 3.00 BSC L 0.40 0.60 L1 0.95 REF φ 0° – c 0.08 – b 0.22 – Microchip Technology Drawing C04-111B φ L MAX 1.10 0.95 0.15 0.80 8° 0.23 0.40 © 2007 Microchip Technology Inc. ...
Page 25
... Pin 1 visual index feature may vary, but must be located with the hatched area. 2. § Significant Characteristic. 3. Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010" per side. 4. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. © 2007 Microchip Technology Inc ...
Page 26
... NOM MAX 8 1.27 BSC – 1.75 – – – 0.25 6.00 BSC 3.90 BSC 4.90 BSC – 0.50 – 1.27 1.04 REF – 8° – 0.25 – 0.51 – 15° – 15° Microchip Technology Drawing C04-057B © 2007 Microchip Technology Inc. ...
Page 27
... APPENDIX A: REVISION HISTORY Revision C (January 2007) This revision includes updates to the packaging diagrams. © 2007 Microchip Technology Inc. MCP3301 DS21700C-page 27 ...
Page 28
... MCP3301 NOTES: DS21700C-page 28 © 2007 Microchip Technology Inc. ...
Page 29
... Temperature Range -40°C to +85°C Package Plastic MSOP, 8-lead P = Plastic DIP (300 mil Body), 8-lead SN = Plastic SOIC (150 mil Body), 8-lead © 2007 Microchip Technology Inc. /XX Examples: Package a) MCP3301-BI/P: ±1 LSB INL, Industrial Temperature, PDIP package b) MCP3301-BI/SN: ±1 LSB INL, Industrial ...
Page 30
... MCP3301 NOTES: DS21700C-page 30 © 2007 Microchip Technology Inc. ...
Page 31
... Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA 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 32
... 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 © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...