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MicroConverter ARM Cortex-M3 データ ... - Analog …

ADC .. MicroConverter ARM Cortex-M3 . ADuCM362/ADuCM363. V V . MCU . ADuCM360/ADuCM361 . : 290 A/MHz . mA 500 kHz 24 ADC ADuCM362 . ADC PGA 4 . 24 ADC ADuCM363 . 1 SPI . ADC Hz kHz . : 50 Hz/60 Hz . 4 A . 50 SPS .. SPS . 2 UART I2C 2 SPI I/O . ADC . 16 PWM .. 19 GPIO . 24 ADC ADC0 ADC1 . 2 . 6 12 .. DMA . DAC 4 IOVDD/4 . SPI DMA . AVDD/4 ADC1 .. 1 128 . 48 7 mm 7 mm LFCSP. 1. 40 C +125 C . RMS Hz 52 nV.. 50 Hz 200 nV. QuickStart .. ADC 2 . SIL .. 12 DAC . 4 mA 20 mA NPN .. ARM Cortex-M3 32 . 4 mA 20 mA .. 8 16 MHz .. 256 kB EE 24 kB SRAM. UART .. REVISION . Rev. 0 2016 Analog Devices, Inc. All rights reserved. 105-6891 1-16-1 . 03 5402 8200. 532-0003 3-5-36 . 06 6350 6868. ADuCM362/ADuCM363.. 1 SPI .. 16.. 1 .. 18.. 2 .. 18.. 3 ESD .. 18.. 4 .. 19.. 6 .. 22.. 6 .. 23. ADC0 ADC1 RMS .. 11 .. 24. 2. I C .. 15 .. 24.. 10/2016 Revision 0: Initial Version Rev.

低消費電力、デュアル・シグマ・デルタ ADC 搭載の 高精度アナログ・マイクロコントローラ (MicroConverter)、ARM Cortex-M3 データシート ADuCM362/ADuCM363

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Transcription of MicroConverter ARM Cortex-M3 データ ... - Analog …

1 ADC .. MicroConverter ARM Cortex-M3 . ADuCM362/ADuCM363. V V . MCU . ADuCM360/ADuCM361 . : 290 A/MHz . mA 500 kHz 24 ADC ADuCM362 . ADC PGA 4 . 24 ADC ADuCM363 . 1 SPI . ADC Hz kHz . : 50 Hz/60 Hz . 4 A . 50 SPS .. SPS . 2 UART I2C 2 SPI I/O . ADC . 16 PWM .. 19 GPIO . 24 ADC ADC0 ADC1 . 2 . 6 12 .. DMA . DAC 4 IOVDD/4 . SPI DMA . AVDD/4 ADC1 .. 1 128 . 48 7 mm 7 mm LFCSP. 1. 40 C +125 C . RMS Hz 52 nV.. 50 Hz 200 nV. QuickStart .. ADC 2 . SIL .. 12 DAC . 4 mA 20 mA NPN .. ARM Cortex-M3 32 . 4 mA 20 mA .. 8 16 MHz .. 256 kB EE 24 kB SRAM. UART .. REVISION . Rev. 0 2016 Analog Devices, Inc. All rights reserved. 105-6891 1-16-1 . 03 5402 8200. 532-0003 3-5-36 . 06 6350 6868. ADuCM362/ADuCM363.. 1 SPI .. 16.. 1 .. 18.. 2 .. 18.. 3 ESD .. 18.. 4 .. 19.. 6 .. 22.. 6 .. 23. ADC0 ADC1 RMS .. 11 .. 24. 2. I C .. 15 .. 24.. 10/2016 Revision 0: Initial Version Rev.

2 0 | 2 / 24 . ADuCM362/ADuCM363.. ADuCM362/ADuCM363 kSPS 24- .. - A/D 2 . ADC 32- ARM cortex -M3 . EE ADuCM362/ADuCM363 DAC .. ADuCM362/ADuCM363 . ADuCM363 24 - ADC ADC1 1 . ADuCM362 2 .. UART I2C SPI I/O . ADuCM362/ADuCM363 32 kHz 19 GPIO 2 . 16 MHz . 6 16 PWM .. 16 MHz ADuCM362/ADuCM363 . ARM Cortex-M3 . 20 MIPS 32 RISC 290 A/MHz SRAM IDD . Cortex-M3 ADC . SPI UART I2C 11 PGA 4 1 SPI . DMA 256 kB . EE 24 kB SRAM 1 mA . ADuCM362/ADuCM363 4 A . ADC ADC . ADC .. ADC .. AVDD_REG/2 900 mV .. 2 JTAG UART .. PGA . ADC sinc2 sinc3 sinc4 2 . sinc3 sinc4 QuickStart . sinc2 V V -40 C . +125 C . Rev. 0 | 3 / 24 . ADuCM362/ADuCM363.. 12-BIT ON-CHIP ON-CHIP. DAC BUFFER Analog DIGITAL POWER-ON RESET. DAC RESET. AVDD LDO LDO. VBIAS. AGND. GENERATOR. ON-CHIP XTALO. OSCILLATOR. (1% TYP). 16 MHz XTALI. VREF 24-BIT ARM. AIN0 - ADC Cortex-M3 . AIN1 PROCESSOR. AIN2 - SINC3/ GPIO PORTS.

3 MOD2 16 MHz UART PORTS. AMP BUF. GAIN MODULATOR SINC4. AIN3 FILTER 2 SPI PORTS. AIN4/IEXC I2 C PORTS. AIN5/IEXC. AIN6/IEXC TIMER0 19 GENERAL- SINC2 MEMORY TIMER1 PURPOSE. AIN7/VBIAS0/IEXC/ MUX FILTER 256kB FLASH WATCHDOG I/O PORTS. EXTREF2IN+ 24kB SRAM WAKE-UP TIMER. PWM. AIN8/EXTREF2IN VREF 24-BIT. AIN9/DACBUFF+ - ADC SERIAL WIRE. DMA AND. AIN10 INTERRUPT DEBUG, SINC3/ CONTROLLER PROGRAMMING. AIN11/VBIAS1 MOD2 - AND DEBUG. AMP BUF. GAIN MODULATOR SINC4. FILTER. SELECTABLE. VREF SWDIO. DAC, TEMP, IOVDD/4, SOURCES. AVDD/4 SWCLK. PRECISION. REFERENCE. ADuCM362. DVDD_REG. IREF CURRENT BUFFER. SOURCES AVDD_REG. BUFFER. 14919-001. GND_SW VREF VREF+ INT_REF IOVDD IOVDD. 1. ADuCM362 . Rev. 0 | 4 / 24 . ADuCM362/ADuCM363. 12-BIT ON-CHIP ON-CHIP. DAC BUFFER Analog DIGITAL POWER-ON RESET. DAC RESET. AVDD LDO LDO. VBIAS. AGND. GENERATOR. ON-CHIP XTALO. OSCILLATOR.

4 (1% TYP). 16 MHz XTALI. ARM. AIN0 Cortex-M3 . AIN1 PROCESSOR. AIN2 GPIO PORTS. 16 MHz UART PORTS. AIN3 2 SPI PORTS. AIN4/IEXC I2C PORTS. AIN5/IEXC. AIN6/IEXC TIMER0 19 GENERAL- SINC2 MEMORY TIMER1 PURPOSE. AIN7/VBIAS0/IEXC/ MUX FILTER 256kB FLASH WATCHDOG I/O PORTS. EXTREF2IN+ 24kB SRAM WAKE-UP TIMER. PWM. AIN8/EXTREF2IN VREF 24-BIT. AIN9/DACBUFF+ - ADC SERIAL WIRE. DMA AND DEBUG, AIN10 INTERRUPT. SINC3/ PROGRAMMING. AIN11/VBIAS1 MOD2 - SINC4 CONTROLLER AND DEBUG. AMP BUF. GAIN MODULATOR FILTER. SELECTABLE. VREF SWDIO. DAC, TEMP, IOVDD/4, SOURCES. AVDD/4 SWCLK. PRECISION. REFERENCE. ADuCM363. DVDD_REG. IREF CURRENT BUFFER. SOURCES AVDD_REG. BUFFER. 14919-014. GND_SW VREF VREF+ INT_REF IOVDD IOVDD. 2. ADuCM363 . Rev. 0 | 5 / 24 . ADuCM362/ADuCM363.. AVDD/IOVDD = V V V fCORE = 16 MHz TA = 40 C +125 C . 1. Parameter Test Conditions/Comments Min Typ Max Unit ADC SPECIFICATIONS ADC0 and ADC1.

5 Conversion Rate 1 Chop off 3906 Hz Chop on 1302 Hz No Missing Codes1 Chop off, fADC 500 Hz 24 Bits Chop on, fADC 250 Hz 24 Bits RMS Noise and Data Output Rates See Table 2 through Table 9. Integral Nonlinearity1 Gain = 1, input buffer off 10 ppm of FSR. Gain = 2, 4, 8, or 16 15 ppm of FSR. Gain = 32, 64, or 128 20 ppm of FSR. Offset Error 2, 3, 4, 6, 7 Chop off; offset error is in the order of the 230/gain V. noise for the programmed gain and update rate following calibration Chop on1 V. Offset Error Drift vs. Temperature1, 4, 6 Chop off, gain 4 1/gain V/ C. Chop off, gain 8 230 nV/ C. Chop on 10 nV/ C. Offset Error Lifetime Stability 5 Gain = 128 1 V/1000 Hr Full-Scale Error1, 4, 6, 7, 8 mV. Full-Scale Error Lifetime Stability5 Gain = 128 70 V/1000 Hr Gain Error Drift vs. Temperature1, 4, 6 External reference Gain = 1, 2, 4, 8, or 16 3 ppm/ C. Gain = 32, 64, or 128 6 ppm/ C.

6 PGA Gain Mismatch Error %. Power Supply Rejection1 External reference Chop on, ADC input = V, gain = 4 95 dB. Chop off, ADC input = mV, gain = 128 80 dB. Chop off, ADC input = 1 V, gain = 1 90 dB. Absolute Input Voltage Range Unbuffered Mode AGND AVDD V. Buffered Mode Available for all gain settings G = 1 to 128 AGND + AVDD V. Differential Input Voltage Ranges1 For gain = 32, 64, and 128, see Table 3 and Table 7 for allowable input ranges and noise values Gain = 1 VREF V. Gain = 2 500 mV. Gain = 4 250 mV. Gain = 8 125 mV. Gain = 16 mV. Common-Mode Voltage, VCM1 Ideally, VCM = ((AIN+) + (AIN ))/2; gain = 2 to AGND AVDD V. 128; input current varies with VCM (see Figure 9 and Figure 10). Rev. 0 | 6 / 24 . ADuCM362/ADuCM363. Parameter Test Conditions/Comments Min Typ Max Unit Input Current 9. Buffered Mode Gain > 1 (excluding AIN4, AIN5, AIN6, and 1 nA. AIN7 pins).

7 Gain > 1 (AIN4, AIN5, AIN6, and AIN7 pins) 2 nA. Unbuffered Mode Input current varies with input voltage 860 nA/V. Average Input Current Drift1. Buffered Mode AIN1, AIN3, AIN5, AIN7, and AIN11 5 pA/ C. AIN0, AIN4, AIN9, and AIN10 9 pA/ C. AIN2, AIN6, and AIN8 15 pA/ C. Unbuffered Mode 250 pA/V/ C. Common-Mode Rejection, DC1 On ADC input ADC gain = 1, AVDD < 2 V 65 100 dB. ADC gain = 1, AVDD > 2 V 80 100 dB. ADC gain = 2 to 128 80 dB. Common-Mode Rejection, 50 Hz/60 Hz 1 Hz; fADC = Hz, 50 Hz/60 Hz1 chop on; fADC = 50 Hz, chop off ADC gain = 1 97 dB. ADC gain = 2 to 128 90 dB. Normal Mode Rejection, 50 Hz/60 Hz1 On ADC input 50 Hz/60 Hz 1 Hz; fADC = Hz, 60 80 dB. chop on; fADC = 50 Hz, chop off TEMPERATURE SENSOR1 After user calibration Voltage Output at 25 C Processor powered down or in standby mode mV. before measurement Voltage Temperature Coefficient (TC) 250 V/ C.

8 Accuracy 6 C. GROUND SWITCH. On Resistance (RON) 10 19 . Allowable Current1 20 k resistor off, direct short to ground 20 mA. VOLTAGE REFERENCE ADC internal reference Internal VREF V. Initial Accuracy Measured at TA = 25 C + %. Reference Temperature Coefficient 15 5 +15 ppm/ C. (TC)1, 10. Power Supply Rejection1 82 90 dB. EXTERNAL REFERENCE INPUTS. Input Range Buffered Mode AGND + AVDD V. Unbuffered Mode Minimum differential voltage between VREF+ 0 AVDD V. and VREF pins is 400 mV. Input Current Buffered Mode 20 +10 +27 nA. Unbuffered Mode 500 nA/V. Normal Mode Rejection1 80 dB. Common-Mode Rejection1 85 100 dB. Reference Detect Levels1 400 mV. Rev. 0 | 7 / 24 . ADuCM362/ADuCM363. Parameter Test Conditions/Comments Min Typ Max Unit EXCITATION CURRENT SOURCES. Output Current Available from each current source; value 10 1000 A. programmable from 10 A to 1 mA.

9 Initial Tolerance at 25 C1 IOUT 50 A 5 %. Drift1 Using internal reference resistor 100 400 ppm/ C. Using external 150 k reference resistor 75 400 ppm/ C. between IREF pin and AGND; resistor must have drift specification of 5 ppm/ C. Initial Current Matching at 25 C1 Matching between both current sources %. Drift Matching1 50 ppm/ C. Load Regulation, AVDD1 AVDD = V %/V. Output Compliance1 IOUT = 10 A to 210 A AGND AVDD V. IOUT > 210 A AGND AVDD V. DAC CHANNEL SPECIFICATIONS RL = 5 k , CL = 100 pF. Voltage Range Internal reference 0 VREF V. External reference 0 V. DC Specifications 11. Resolution 12 Bits Relative Accuracy 3 LSB. Differential Nonlinearity Guaranteed monotonic 1 LSB. Offset Error V internal reference 2 10 mV. Gain Error VREF range (reference = V) %. NPN Mode1. Resolution 12 Bits Relative Accuracy 3 LSB. Differential Nonlinearity LSB. Offset Error mA.

10 Gain Error mA. Output Current Range mA. Interpolation Mode1, 12 Only monotonic to 14 bits Resolution 14 Bits Relative Accuracy For 14-bit resolution 6 LSB. Differential Nonlinearity Monotonic (14 bits) LSB. Offset Error V internal reference 2 mV. Gain Error VREF range (reference = V) 1 %. AVDD range 1 %. DAC AC CHARACTERISTICS1. Voltage Output Settling Time 10 s Digital-to- Analog Glitch Energy 1 LSB change at major carry (maximum 20 nV-sec number of bits changes simultaneously in the DAC0 DAT register). POWER-ON RESET (POR). POR Trip Level Voltage at DVDD pin Power-on level V. Power-down level V. Timeout from POR1 50 ms WATCHDOG TIMER (WDT)1. Timeout Period 8192 sec Timeout Step Size T3 CON[3:2] = 10 ms FLASH/EE MEMORY1. Endurance 13 10,000 Cycles Data Retention 14 TJ = 85 C 10 Years Rev. 0 | 8 / 24 . ADuCM362/ADuCM363. Parameter Test Conditions/Comments Min Typ Max Unit DIGITAL INPUTS All digital inputs Input Leakage Current Digital inputs except for the RESET, SWCLK, and SWDIO pins Logic 1 VINH = IOVDD or VINH = V 140 A.


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