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MAX1092ACEG

MAX1092ACEG

  • 厂商:

    AD(亚德诺)

  • 封装:

    SSOP24

  • 描述:

    IC ADC 10BIT SAR 24QSOP

  • 数据手册
  • 价格&库存
MAX1092ACEG 数据手册
19-1640; Rev 2; 12/02 KIT ATION EVALU E L B A AVAIL 400ksps, +5V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface The MAX1090/MAX1092 tri-states INT when CS goes high. Refer to the MAX1060/MAX1064 if tri-stating INT is not desired. The MAX1090 is available in a 28-pin QSOP package, while the MAX1092 comes in a 24-pin QSOP. For pincompatible +3V, 10-bit versions, refer to the MAX1091/ MAX1093 data sheet. Applications Industrial Control Systems Data Logging Energy Management Data-Acquisition Systems Patient Monitoring Touchscreens Ordering Information PART TEMP RANGE PIN-PACKAGE INL (LSB) MAX1090ACEI 0°C to +70°C 28 QSOP ±0.5 MAX1090BCEI 0°C to +70°C 28 QSOP ±1 MAX1090AEEI -40°C to +85°C 28 QSOP ±0.5 MAX1090BEEI -40°C to +85°C 28 QSOP ±1 Ordering Information continued at end of data sheet. Features ♦ 10-Bit Resolution, ±0.5 LSB Linearity ♦ +5V Single-Supply Operation ♦ User-Adjustable Logic Level (+2.7V to +5.5V) ♦ Internal +2.5V Reference ♦ Software-Configurable Analog Input Multiplexer 8-Channel Single-Ended/ 4-Channel Pseudo-Differential (MAX1090) 4-Channel Single-Ended/ 2-Channel Pseudo-Differential (MAX1092) ♦ Software-Configurable Unipolar/Bipolar Analog Inputs ♦ Low Current: 2.5mA (400ksps) 1.0mA (100ksps) 400µA (10ksps) 2µA (Shutdown) ♦ Internal 6MHz Full-Power Bandwidth Track/Hold ♦ Byte-Wide Parallel (8 + 2) Interface ♦ Small Footprint: 28-Pin QSOP (MAX1090) 24-Pin QSOP (MAX1092) Pin Configurations TOP VIEW HBEN 1 24 VLOGIC D7 2 23 VDD D6 3 22 REF D5 4 21 REFADJ D4 5 D3 6 20 GND MAX1092 19 COM D2 7 18 CH0 D1/D9 8 17 CH1 D0/D8 9 16 CH2 INT 10 15 CH3 RD 11 14 CS WR 12 13 CLK QSOP Pin Configurations continued at end of data sheet. Typical Operating Circuits appear at end of data sheet. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 MAX1090/MAX1092 General Description The MAX1090/MAX1092 low-power, 10-bit analog-todigital converters (ADCs) feature a successive-approximation ADC, automatic power-down, fast wake-up (2µs), an on-chip clock, +2.5V internal reference, and a high-speed, byte-wide parallel interface. The devices operate with a single +5V analog supply and feature a VLOGIC pin that allows them to interface directly with a +2.7V to +5.5V digital supply. Power consumption is only 10mW (VDD = VLOGIC) at a 400ksps max sampling rate. Two software-selectable power-down modes enable the MAX1090/MAX1092 to be shut down between conversions; accessing the parallel interface returns them to normal operation. Powering down between conversions can cut supply current to under 10µA at reduced sampling rates. Both devices offer software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation. In single-ended mode, the MAX1090 has eight input channels and the MAX1092 has four input channels (four and two input channels, respectively, when in pseudo-differential mode). Excellent dynamic performance and low power, combined with ease of use and small package size, make these converters ideal for battery-powered and dataacquisition applications or for other circuits with demanding power consumption and space requirements. MAX1090/MAX1092 400ksps, +5V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface ABSOLUTE MAXIMUM RATINGS VDD to GND ..............................................................-0.3V to +6V VLOGIC to GND.........................................................-0.3V to +6V CH0–CH7, COM to GND ............................-0.3V to (VDD + 0.3V) REF, REFADJ to GND.................................-0.3V to (VDD + 0.3V) Digital Inputs to GND ...............................................-0.3V to +6V Digital Outputs (D0–D9, INT) to GND ........................................... -0.3V to (VLOGIC + 0.3V) Continuous Power Dissipation (TA = +70°C) 24-Pin QSOP (derate 9.5mW/°C above +70°C).........762mW 28-Pin QSOP (derate 8.00mW/°C above +70°C).......667mW Operating Temperature Ranges MAX1090_C_ _/MAX1092_C_ _ ....................... 0°C to +70°C MAX1090_E_ _/MAX1092_E_ _ .....................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°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 = VLOGIC = +5V ±10%, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7µF capacitor at REF pin, fCLK = 7.6MHz (50% duty cycle), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DC ACCURACY (Note 1) Resolution 10 RES Bits MAX109_A ±0.5 MAX109_B ±1 No missing codes over temperature ±1 LSB Offset Error ±2 LSB Gain Error (Note 3) ±2 Relative Accuracy (Note 2) INL Differential Nonlinearity DNL LSB LSB Gain Temperature Coefficient ±2.0 ppm/°C Channel-to-Channel Offset Matching ±0.1 LSB DYNAMIC SPECIFICATIONS (fIN(sine wave) = 50kHz, VIN = 2.5VP-P, 400ksps, external fCLK = 7.6MHz, bipolar input mode) Signal-to-Noise Plus Distortion SINAD 60 dB Total Harmonic Distortion (including 5th-order harmonic) THD -72 dB Spurious-Free Dynamic Range SFDR 72 dB fIN1 = 49kHz, fIN2 = 52kHz 76 dB Channel-to-Channel Crosstalk fIN = 175kHz, VIN = 2.5VP-P (Note 4) -78 dB Full-Linear Bandwidth SINAD > 56dB 350 kHz Full-Power Bandwidth -3dB rolloff 6 MHz Intermodulation Distortion IMD CONVERSION RATE Conversion Time (Note 5) T/H Acquisition Time tCONV Aperture Jitter Duty Cycle 2 2.1 External acquisition/internal clock mode 2.5 3.0 3.5 Internal acquisition/internal clock mode 3.2 3.6 4 tACQ Aperture Delay External Clock Frequency External clock mode fCLK 400 External acquisition or external clock mode 25 External acquisition or external clock mode
MAX1092ACEG 价格&库存

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