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MAX1230ACEG+

MAX1230ACEG+

  • 厂商:

    AD(亚德诺)

  • 封装:

    SSOP24

  • 描述:

    IC ADC 12BIT SAR 24QSOP

  • 数据手册
  • 价格&库存
MAX1230ACEG+ 数据手册
19-2852; Rev 5; 12/10 KIT ATION EVALU E L B A IL AVA 12-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference The MAX1226/MAX1228/MAX1230 are serial 12-bit analog-to-digital converters (ADCs) with an internal reference and an internal temperature sensor. These devices feature on-chip FIFO, scan mode, internal clock mode, internal averaging, and AutoShutdown™. The maximum sampling rate is 300ksps using an external clock. The MAX1230 has 16 input channels, the MAX1228 has 12 input channels, and the MAX1226 has 8 input channels. All input channels are configurable for single-ended or differential inputs in unipolar or bipolar mode. All three devices operate from a +5V supply and contain a 10MHz SPI™/QSPI™/MICROWIRE™-compatible serial port. The MAX1230 is available in 28-pin 5mm x 5mm thin QFN with exposed pad and 24-pin QSOP packages. The MAX1226/MAX1228 are only available in QSOP packages. All three devices are specified over the extended -40°C to +85°C temperature range. ________________________Applications System Supervision Features o Internal Temperature Sensor (±0.7°C Accuracy) o 16-Entry First-In/First-Out (FIFO) o Analog Multiplexer with True Differential Track/Hold 16-, 12-, 8-Channel Single Ended 8-, 6-, 4-Channel True Differential (Unipolar or Bipolar) o Accuracy: ±1 LSB INL, ±1 LSB DNL, No Missing Codes Over Temperature o Scan Mode, Internal Averaging, and Internal Clock o Low-Power Single +5V Operation 2.3mA at 300ksps o Internal 4.096V Reference or External Differential Reference o 10MHz 3-Wire SPI/QSPI/MICROWIRE-Compatible Interface o Space-Saving 28-Pin 5mm x 5mm Thin QFN Package Ordering Information Data-Acquisition Systems Industrial Control Systems PART TEMP RANGE PIN-PACKAGE Patient Monitoring MAX1226BCEE+ 0°C to +70°C 16 QSOP Data Logging MAX1226BEEE+ -40°C to +85°C 16 QSOP Instrumentation MAX1228BCEP+ 0°C to +70°C 20 QSOP MAX1228BEEP+ -40°C to +85°C 20 QSOP AutoShutdown is a trademark of Maxim Integrated Products, Inc. SPI/QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad (TQFN only). Connect to GND. Ordering Information continued at end of data sheet. Pin Configurations TOP VIEW + AIN0 1 + 16 EOC AIN1 2 15 DOUT AIN2 3 14 DIN AIN3 4 MAX1226 13 CS 12 SCLK AIN4 5 AIN5 6 11 VDD 10 GND REF-/AIN6 7 9 CNVST/AIN7 8 REF+ AIN0 1 20 EOC AIN1 2 19 DOUT AIN2 3 18 DIN 17 CS AIN3 4 AIN4 5 MAX1228 16 SCLK AIN5 6 15 VDD AIN6 7 14 GND AIN7 8 13 REF+ AIN8 9 12 CNVST/AIN11 AIN9 10 11 REF-/AIN10 QSOP Pin Configurations continued at end of data sheet. QSOP ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 MAX1226/MAX1228/MAX1230 General Description MAX1226/MAX1228/MAX1230 12-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference ABSOLUTE MAXIMUM RATINGS VDD to GND ..............................................................-0.3V to +6V CS, SCLK, DIN, EOC, DOUT to GND.........-0.3V to (VDD + 0.3V) AIN0–AIN13, REF-/AIN_, CNVST/AIN_, REF+ to GND.........................................-0.3V to (VDD + 0.3V) Maximum Current into Any Pin............................................50mA Continuous Power Dissipation (TA = +70°C) 16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW 20-Pin QSOP (derate 9.1mW/°C above +70°C)...........727mW 24-Pin QSOP (derate 9.5mW/°C above +70°C)...........762mW 28-Pin Thin QFN 5mm x 5mm (derate 20.8mW/°C above +70°C) ........................1667mW Operating Temperature Ranges MAX12__C__.......................................................0°C to +70°C MAX12__E__ ....................................................-40°C to +85°C Storage Temperature Range .............................-60°C to +150°C Junction Temperature ......................................................+150°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) .......................................+260°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (VDD = +5V ±5%, fSAMPLE = 300kHz, fSCLK = 4.8MHz (50% duty cycle), VREF = 4.096V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS ±1.0 LSB ±1.0 LSB DC ACCURACY (Note 1) Resolution RES Integral Nonlinearity INL Differential Nonlinearity DNL 12 No missing codes over temperature Offset Error Gain Error Bits (Note 2) Offset Error Temperature Coefficient ±0.5 ±4.0 LSB ±0.5 ±4.0 LSB ±2 ppm/°C FSR Gain Temperature Coefficient ±0.8 ppm/°C Channel-to-Channel Offset Matching ±0.1 LSB DYNAMIC SPECIFICATIONS (30kHz sine wave input, 4.096VP-P, 300ksps, fSCLK = 4.8MHz) Signal-to-Noise Plus Distortion SINAD Total Harmonic Distortion THD Spurious-Free Dynamic Range SFDR Up to the 5th harmonic 73 dB -88 dBc 89 dBc fin1 = 29.9kHz, fin2 = 30.2kHz 76 dBc Full-Power Bandwidth -3dB point 1 MHz Full-Linear Bandwidth S / (N + D) > 68dB 100 kHz Intermodulation Distortion 2 IMD _______________________________________________________________________________________ 12-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference (VDD = +5V ±5%, fSAMPLE = 300kHz, fSCLK = 4.8MHz (50% duty cycle), VREF = 4.096V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS CONVERSION RATE Power-Up Time tPU Acquisition Time tACQ Conversion Time tCONV External Clock Frequency fSCLK External reference 0.8 Internal reference (Note 3) 65 Internally clocked 3.5 µs 0.6 Externally clocked (Note 4) 2.7 Externally clocked conversion 0.1 µs µs 4.8 Data I/O 10 MHz Aperture Delay 30 ns Aperture Jitter
MAX1230ACEG+ 价格&库存

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