MCP3202T-CI/SN Microchip Technology, MCP3202T-CI/SN Datasheet
MCP3202T-CI/SN
Specifications of MCP3202T-CI/SN
Available stocks
Related parts for MCP3202T-CI/SN
MCP3202T-CI/SN Summary of contents
Page 1
... CS/SHDN D CLK IN © 2008 Microchip Technology Inc. Description The Microchip Technology Inc. MCP3202 is a successive approximation 12-bit Analog-to-Digital (A/D) Converter with on-board sample and hold circuitry. The MCP3202 is programmable to provide a single pseudo-differential input pair or dual single- ended inputs. Differential Nonlinearity (DNL) is specified at ± ...
Page 2
... MCP3202 NOTES: DS21034E-page 2 © 2008 Microchip Technology Inc. ...
Page 3
... Because the sample cap will eventually lose charge, effective clock rates below 10 kHz can affect linearity performance, especially at elevated temperatures. See Section 6.2 “Maintaining Minimum Clock Speed” for more information. © 2008 Microchip Technology Inc. † Notice: Stresses above those listed under “Absolute Maximum Ratings” ...
Page 4
... Figure 1-2 ns See Test Circuits, Figure 1-2 Note See Test Circuits, Figure 1-2 Note 1 ns See Test Circuits, Figure 1-2 Note 1 V µ 5.0V, D unloaded DD OUT µ 5. GND. SS Units Conditions °C °C °C °C/W °C/W °C/W °C/W © 2008 Microchip Technology Inc. ...
Page 5
... Test Point D OUT C = 100 pF L Voltage Waveforms for OUT Voltage Waveforms for t CLK OUT FIGURE 1-2: Test Circuits. © 2008 Microchip Technology Inc NULL BIT MSB OUT Load circuit for t Test Point 3 kΩ D OUT 100 pF Voltage Waveforms for ...
Page 6
... MCP3202 NOTES: DS21034E-page 6 © 2008 Microchip Technology Inc. ...
Page 7
... Digital Code FIGURE 2-3: Integral Nonlinearity (INL) vs. Code (Representative Part). © 2008 Microchip Technology Inc 0V, f 100 ksps SAMPLE = CLK 2 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2 ...
Page 8
... Positive INL Negative INL - 100 Temperature (°C) Integral Nonlinearity (INL) = 2.7V 2.7V Positive DNL Negative DNL 100 Sample Rate (ksps) Differential Nonlinearity = 2.7V ksps SAMPLE Positive DNL Negative DNL 3.0 3.5 4.0 4.5 5.0 V (V) DD Differential Nonlinearity . © 2008 Microchip Technology Inc. ...
Page 9
... SAMPLE ksps SAMPLE -2.0 2.5 3.0 3.5 4.0 V (V) DD FIGURE 2-15: Gain Error vs. V © 2008 Microchip Technology Inc 0V, f 100 ksps SAMPLE = CLK 1 0.6 SAMPLE 0.4 0.2 0.0 -0.2 -0.4 -0.6 -0.8 -1 ...
Page 10
... SAMPLE ksps SAMPLE - 100 Temperature (°C) Offset Error vs 100 ksps SAMPLE ksps SAMPLE 10 100 Input Frequency (kHz) Signal-to-Noise and 100 ksps SAMPLE ksps SAMPLE -35 -30 -25 -20 -15 - Input Signal Level (dB) Signal-to-Noise and © 2008 Microchip Technology Inc. ...
Page 11
... Frequency (Hz) FIGURE 2-27: Frequency Spectrum of 10 kHz input (Representative Part). © 2008 Microchip Technology Inc 0V, f 100 ksps SAMPLE = CLK 12.0 11.5 11.0 10.5 10.0 9.5 9.0 8.5 8.0 4.5 5 ...
Page 12
... FIGURE 2-36: current vs. Temperature +25°C. SAMPLE A DD 3.0 3.5 4.0 4.5 5.0 5.5 6 DDS 100 Tem perature (°C) I vs. Temperature. DDS 1.8 MHz CLK - 100 Temperature (°C) Analog Input leakage © 2008 Microchip Technology Inc. ...
Page 13
... The CS/SHDN pin must be pulled high between conversions. © 2008 Microchip Technology Inc. Table 3.1. Chip Select/Shutdown Input Channel 0 Analog Input ...
Page 14
... MCP3202 NOTES: DS21034E-page 14 © 2008 Microchip Technology Inc. ...
Page 15
... FFFh code will not be seen unless SS the IN+ input level goes above V level. DD © 2008 Microchip Technology Inc. 4.2 Digital Output Code The digital output code produced by an A/D Converter is a function of the input signal and the reference voltage. For the MCP3202, V reference voltage ...
Page 16
... Input Resistance (Ohms) FIGURE 4-2: Maximum Clock Frequency vs. Input Resistance ( maintain less than a S 0.1 LSB deviation in INL from nominal conditions. DS21034E-page 16 DD Sampling Switch LEAKAGE V = 0.6V T ± 10000 SAMPLE = DAC capacitance = © 2008 Microchip Technology Inc. ...
Page 17
... CLK running to clock out the LSB-first data or zeros. FIGURE 5-1: Communication with the MCP3202 using MSB first format only. © 2008 Microchip Technology Inc. On the falling edge of the clock for the MSBF bit, the device will output a low null bit. The next sequential ...
Page 18
... During this time, the bias circuit and the comparator power down while the reference input becomes a DATA high-impedance node, leaving the CLK running to clock out LSB first data or zeroes. FIGURE 5-2: Communication with MCP3202 using LSB first format. DS21034E-page 18 t CYC Don’t Care CONV t CSH Power Down HI B10 B11 t ** DATA © 2008 Microchip Technology Inc. ...
Page 19
... X = Don’t Care Bits FIGURE 6-2: SPI Communication using 8-bit segments (Mode 1,1: SCLK idles high). © 2008 Microchip Technology Inc. 0,0, which requires that the SCLK from the MCU idles in the ‘low’ state, while case of SPI Mode 1,1 where the clock idles in the ‘high’ ...
Page 20
... DD 6-4. For more information on layout using A/D Converters, refer to Tips for 12-Bit A/D Converter V DD Connection Device 4 Device 3 Device 2 V traces arranged © 2008 Microchip Technology Inc. ...
Page 21
... In the event the full Microchip part number cannot be marked on one line, it Note: will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2008 Microchip Technology Inc. MCP3202 Example: 3202CI 817256 ...
Page 22
... MCP3202 /HDG 3ODVWLF 0LFUR 6PDOO 2XWOLQH 3DFNDJH 06 >0623@ 1RWH D N NOTE 1RWHV DS21034E-page φ L © 2008 Microchip Technology Inc. ...
Page 23
... N NOTE 1RWHV © 2008 Microchip Technology Inc. PLO %RG\ >3', MCP3202 c DS21034E-page 23 ...
Page 24
... MCP3202 /HDG 3ODVWLF 6PDOO 2XWOLQH 61 ± 1DUURZ 1RWH N NOTE 1RWHV DS21034E-page 24 PP %RG\ >62,& φ α c β © 2008 Microchip Technology Inc. ...
Page 25
... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging © 2008 Microchip Technology Inc. MCP3202 DS21034E-page 25 ...
Page 26
... MCP3202 /HDG 3ODVWLF 7KLQ 6KULQN 6PDOO 2XWOLQH 67 ± 1RWH D N NOTE 1RWHV DS21034E-page 26 PP %RG\ >76623 φ L © 2008 Microchip Technology Inc. ...
Page 27
... The following is the list of modifications: 1. Updates to packaging outline drawings. Revision C (August 2001) The following is the list of modifications: 1. Undocumented changes. Revision B (June 2000) The following is the list of modifications: 1. Undocumented changes. Revision A (August 1999) • Initial release of this document. © 2008 Microchip Technology Inc. MCP3202 DS21034E-page 27 ...
Page 28
... MCP3202 NOTES: DS21034E-page 28 © 2008 Microchip Technology Inc. ...
Page 29
... X Device Performance Temperature Grade Range Device MCP3202: 12-Bit Serial A/d Converter MCP3202T: 12-Bit Serial A/D Converter (Tape and Reel) (MSOP, SOIC and TSSOP package only) Performance Grade ±1 LSB INL (TSSOP not available ±2 LSB INL Temperature Range I = -40°C to +85° -40° ...
Page 30
... MCP3202 NOTES: DS21034E-page 30 © 2008 Microchip Technology Inc. ...
Page 31
... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, 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 © 2008 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 ...