MCP3302-BI/SL Microchip Technology, MCP3302-BI/SL Datasheet
MCP3302-BI/SL
Specifications of MCP3302-BI/SL
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MCP3302-BI/SL Summary of contents
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... The reference voltage can be varied from 400 mV to 5V, yielding input-referred resolution between 98 µV and 1.22 mV. The MCP3302 is available in 14-pin PDIP, 150 mil SOIC and TSSOP packages. The MCP3304 is available in 16-pin PDIP and 150 mil SOIC packages. The full differential inputs of these devices enable a ...
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... MCP3302/04 Functional Block Diagram CH0 CH1 CH7* * Channels 5-7 available on MCP3304 Only DS21697E-page REF DD Input Channel Mux CDAC Comparator - Sample & Hold 13-Bit SAR Circuits + Control Logic Register CS/SHDN D CLK IN AGND DGND Shift D OUT © 2008 Microchip Technology Inc. ...
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... REF SAMPLE Units Conditions ksps Note 8 ksps 2.7V, V =1.35V DD REF CM CLK periods CLK periods bits LSB MCP3302/04-B LSB MCP3302/04-C LSB Monotonic over temperature LSB LSB LSB dB Note 3 dB Note 3 dB Note 3 dB Note 6 dB Note 6 dB Note 4 V Note 2 µA µA ...
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... MCP3302/04 ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: Unless otherwise noted, all parameters apply at V input configuration (Figure 1-5) with fixed common mode voltage of 2.5V. All parameters apply over temperature with T = -40°C to +85°C (Note 7). Conversion speed (F A Parameter Analog Inputs Full Scale Input Span ...
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... A T -65 — +150 °C A θ — 70 — °C/W JA θ — 95.3 — °C/W JA θ — 100 — °C/W JA θ — 70 — °C/W JA θ — 86.1 — °C Ρ Null Bit Sign BIT MCP3302/04 = GND. SS Conditions T CSH DIS LSB DS21697E-page 5 ...
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... MCP3302/04 1.1 Test Circuits 1.4V 3 kΩ Test Point D OUT C = 100 pF L FIGURE 1-2: Load Circuit for T Test Point DIS kΩ OUT T 100 pF T DIS V SS Voltage Waveforms for OUT Waveform 1* T DIS D OUT Waveform 2† *Waveform 1 is for an output with internal conditions such that the output is high, unless disabled by the output control ...
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... DD REF F 0.8 SAMPLE 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -1 3072 4096 -4096 -3072 FIGURE 2-6: vs. Code (Representative Part, V MCP3302/ 100 ksps, SS SAMPLE =2.7V REF Positive INL Negative INL Sample Rate (ksps) Integral Nonlinearity (INL) = 2.7V). DD Positive INL Negative INL ...
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... MCP3302/04 Note: Unless otherwise indicated 21 +25°C. CLK SAMPLE A 1 0.8 0.6 Positive INL 0.4 0.2 0 -0.2 -0.4 Negative INL -0.6 -0.8 -1 -50 - Temperature(°C) FIGURE 2-7: Integral Nonlinearity (INL) vs. Temperature. 1 0.8 0.6 Positive DNL 0.4 0.2 0 -0.2 Negative DNL -0.4 -0 ...
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... FIGURE 2-17: (DNL) vs. Temperature ( 2. SAMPLE FIGURE 2-18: REF MCP3302/ 100 ksps, SS SAMPLE =2. ksps -2048 -1024 0 1024 2048 3072 4096 Code Differential Nonlinearity =2.7V REF = 50 ksps Positive DNL Negative DNL 100 125 150 Temperature (°C) Differential Nonlinearity = 2.7V). ...
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... MCP3302/04 Note: Unless otherwise indicated 21 +25°C. CLK SAMPLE -0.4 F SAMPLE -0.6 -0 =2.7V -1.4 DD REF ksps SAMPLE -1.6 -1.8 - Temperature (°C) FIGURE 2-19: Positive Gain Error vs. Temperature. 100 Input Frequency (kHz) FIGURE 2-20: Signal-to-Noise Ratio (SNR) vs. Input Frequency. ...
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... FIGURE 2-29: (PSR) vs. Ripple Frequency. 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 -110 -120 -130 -140 -150 40000 50000 0 FIGURE 2-30: 1 kHz Input (Representative Part, V MCP3302/ 100 ksps, SS SAMPLE V =V =5V DD REF F = 100 ksps SAMPLE V =V =2.7V DD REF ksps SAMPLE 10 100 Input Frequency (kHz) Effective Number of Bits 0.1 µ ...
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... MCP3302/04 Note: Unless otherwise indicated 21 +25°C. CLK SAMPLE A 450 400 350 300 250 200 150 100 2.5 3 3.5 4 4.5 V (V) DD FIGURE 2-31 600 500 V =V =5V DD REF 400 300 200 V =V =2.7V DD REF 100 100 Sample Rate (ksps) FIGURE 2-32 ...
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... FIGURE 2-40: Temperature 100 1 FIGURE 2-41: vs. Frequency MCP3302/ 100 ksps, SS SAMPLE =V =2.7V REF V =V =5V DD REF = 50 ksps F = 100 ksps SAMPLE 0 50 100 150 Temperature (°C) Negative Gain Error vs. 10 100 1000 Input Frequency (kHz) Common Mode Rejection ...
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... MCP3302/04 NOTES: DS21697E-page 14 © 2008 Microchip Technology Inc. ...
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... Serial Clock (CLK) The SPI clock pin is used to initiate a conversion and to clock out each bit of the conversion as it takes place. See Section 5.2 “Driving the Analog Input” for constraints on clock speed. See communication protocol. for serial MCP3302/04 Description ) IN Figure 6-2 for serial ) ...
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... MCP3302/04 3.7 Analog Ground (AGND) Ground connection to internal analog circuitry. To ensure accuracy, this pin must be connected to the same ground as DGND analog ground plane is available recommended that this device be tied to the analog ground plane in the circuit. See Section 5.6 “Layout Considerations” for more information regarding circuit layout ...
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... For a 13-bit converter, the theoretical SNR limit is 80.02 dB. Total Harmonic Distortion - Total Harmonic Distortion is (THD) is the ratio of the rms sum of the harmonics to the fundamental, measured at the output of the converter. For the MCP3302/04 defined using the first 9 harmonics shown in the following equation: EQUATION 4- ...
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... MCP3302/04 NOTES: DS21697E-page 18 © 2008 Microchip Technology Inc. ...
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... FIGURE 5-1: Simplified Block Diagram. © 2008 Microchip Technology Inc. 5.2 Driving the Analog Input The analog input of the MCP3302/04 is easily driven, either differentially or single ended. Any signal that is common to the two input channels will be rejected by employ a the common mode rejection of the device. During the charging time of the sample capacitor, a small charging current will be required ...
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... Analog Input Model. 5.2.1 MAINTAINING MINIMUM CLOCK SPEED When the MCP3302/04 initiates, charge is stored on the sample capacitor. When the sample period is complete, the device converts one bit for each clock that is received important for the user to note that a slow clock rate will allow charge to bleed off the sample cap while the conversion is taking place ...
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... FIGURE 5-7: of Full Differential Input Signal versus V 5- kΩ -1 0.25 0.5 FIGURE 5-8: versus V REF 0.1 µF MCP3302/04 -0. the common REF Figure 5-7 and and the REF allows for REF levels, REF Figure 2-9 and 4.05V 2.8V 2.3V 0.95V 2 ...
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... This is illustrated in Figure 5-9, where an op amp is used to drive the analog input of the MCP3302/04. This amplifier provides a low-impedance source for the converter input and a low-pass filter, which eliminates unwanted high-frequency noise. Values shown are for Butterworth Low-Pass filter ...
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... Utilizing the Digital and Analog Ground Pins The MCP3302/04 devices provide both digital and analog ground connections to provide another means of noise reduction. As shown in Figure and digital circuitry are separated internal to the device. This reduces noise from the digital portion of the device being coupled into the analog portion of the device ...
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... MCP3302/04 NOTES: DS21697E-page 24 © 2008 Microchip Technology Inc. ...
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... IN+ < IN- -V REF Negative Full Scale Output = -V REF FIGURE 6-1: Output Code Transfer Function. © 2008 Microchip Technology Inc. MCP3302/04 TABLE 6-1: BINARY TWO’S COMPLEMENT OUTPUT CODE EXAMPLES. Sign Analog Input Levels Bit Full Scale Positive (IN+)-(IN-)=V ...
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... SPI ports that must send 8 bits at a time. Refer to Section 6.3 “Using the MCP3302/04 Microcontroller (MCU) SPI Ports” for more details on using the MCP3302/04 devices with hardware SPI ports. DS21697E-page 26 TABLE 6-1: Control Bit Selections Single ...
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... DATA a high-impedance node, leaving the CLK running to clock out the LSB-first data or zeros. † When operating in single ended mode, the sign bit will always be transmitted as a ‘0’. FIGURE 6-2: Communication with MCP3302/04 (MSB first Format SUCS CLK Start ...
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... For example, Figure 6-4 and Figure 6-5 MCP3302/04 devices can be interfaced to a MCU with a hardware SPI port. Figure 6-4 depicts the operation shown in SPI Mode 0,0, which requires that the SCLK from the MCU idles in the ‘low’ state, while shows the similar case of SPI Mode 1,1, where the clock idles in the ‘ ...
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... Data stored into MCU receive ? = Unknown Bits register after transmission of first X = Don’t Care Bits 8 bits FIGURE 6-5: SPI Communication with the MCP3302/04 using 8-bit segments (Mode 1,1: SCLK idles high). © 2008 Microchip Technology Inc ...
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... MCP3302/04 NOTES: DS21697E-page 30 © 2008 Microchip Technology Inc. ...
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... In the event the full Microchip part number cannot be marked on one line, it will Note: be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2008 Microchip Technology Inc. MCP3302/04 Example: MCP3302-B e I/P^^ 3 0819256 Example: MCP3302-B e I/SL^^ 3 0819256 Example: 3302-C I819 256 ) e 3 DS21697E-page 31 ...
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... MCP3302/04 7.2 Package Marking Information (Continued) 16-Lead PDIP (300 mil) (MCP3304) XXXXXXXXXXXXXX XXXXXXXXXXXXXX YYWWNNN 16-Lead SOIC (150 mil) (MCP3304) XXXXXXXXXXXXX XXXXXXXXXXXXX YYWWNNN DS21697E-page 32 Example: MCP3304-B e I/P 3 0819256 Example: MCP3304-B e XXXIIXXXXXXX I/SL 3 0819256 © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP3302/04 PLO %RG\ >3',3@ DS21697E-page 33 ...
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... MCP3302/04 /HDG 3ODVWLF 6PDOO 2XWOLQH 6/ ± 1DUURZ 1RWH 1RWHV DS21697E-page 34 PP %RG\ >62,&@ φ β © 2008 Microchip Technology Inc. α ...
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... Microchip Technology Inc. MCP3302/04 DS21697E-page 35 ...
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... MCP3302/04 /HDG 3ODVWLF 7KLQ 6KULQN 6PDOO 2XWOLQH 67 ± 1RWH 1RWHV DS21697E-page 36 PP %RG\ >76623@ I © 2008 Microchip Technology Inc. φ ...
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... Microchip Technology Inc. MCP3302/04 PLO %RG\ >3',3@ DS21697E-page 37 ...
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... MCP3302/04 /HDG 3ODVWLF 6PDOO 2XWOLQH 6/ ± 1DUURZ 1RWH 1RWHV DS21697E-page 38 PP %RG\ >62,&@ α φ β © 2008 Microchip Technology Inc. ...
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... Microchip Technology Inc. MCP3302/04 DS21697E-page 39 ...
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... MCP3302/04 NOTES: DS21697E-page 40 © 2008 Microchip Technology Inc. ...
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... Update to Package Outline Drawings. Revision C (January 2007) The following is the list of modifications: 1. Update to Package Outline Drawings. Revision B (February 2002) The following is the list of modifications: 1. Undocumented Changes. Revision A (November 2001) • Original Release of this Document. © 2008 Microchip Technology Inc. MCP3302/04 DS21697E-page 41 ...
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... MCP3302/04 NOTES: DS21697E-page 42 © 2008 Microchip Technology Inc. ...
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... Plastic DIP (300 mil Body), 14-lead, 16-lead SL = Plastic SOIC (150 mil Body), 14-lead, 16-lead ST = Plastic TSSOP (4.4mm), 14-lead © 2008 Microchip Technology Inc. /XX Examples: a) MCP3302-BI/P: Package b) MCP3302-BI/SL: ±1 LSB INL, c) MCP3302-CI/ST: ±2 LSB INL, a) MCP3304-BI/P: (Industrial) b) MCP3304-BI/SL: ±1 LSB INL, MCP3302/04 . ±1 LSB INL, ...
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... MCP3302/04 NOTES: DS21697E-page 44 © 2008 Microchip Technology Inc. ...
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... 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. ...
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... 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 ...