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MAX11045 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX11045 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 19 page General Description The MAX11044/MAX11045/MAX11046† 16-bit ADCs offer 4, 6, or 8 independent input channels. Featuring independent track and hold (T/H) and SAR circuitry, these parts provide simultaneous sampling at 250ksps for each channel. The MAX11044/MAX11045/MAX11046 accept a ±5V input. All inputs are overrange protected with internal ±20mA input clamps providing overrange protection with a simple external resistor. Other features include a 4MHz T/H input bandwidth, internal clock, and internal or external reference. A 20MHz, 16-bit, bidirectional, parallel interface provides the conversion results and accepts digital configuration inputs. The MAX11044/MAX11045/MAX11046 operate with a 4.75V to 5.25V analog supply and a separate flexible 2.7V to 5.25V digital supply for interfacing with the host without a level shifter. The MAX11044/MAX11045/MAX11046 are available in a 56-pin TQFN package and operate over the extended -40°C to +85°C temperature range. Applications Automatic Test Equipment Power-Factor Monitoring and Correction Power-Grid Protection Multiphase Motor Control Vibration and Waveform Analysis Features ♦ 4-/6-/8-Channel 16-Bit ADC ♦ Single Analog and Digital Supply ♦ High-Impedance Inputs Up to 1GΩ ♦ On-Chip T/H Circuit for Each Channel ♦ Fast 3µs Conversion Time ♦ High Throughput: 250ksps for All 8 Channels ♦ 16-Bit, High-Speed, Parallel Interface ♦ Internal Clocked Conversions ♦ 10ns Aperture Delay ♦ 100ps Channel-to-Channel T/H Matching ♦ Low Drift, Accurate 4.096V Internal Reference Providing an Input Range of ±5V ♦ External Reference Range of 3.0V to 4.25V, Allowing Full-Scale Input Ranges of ±4.0V to ±5.2V ♦ 56-Pin TQFN Package (8mm x 8mm) ♦ Evaluation Kit Available 4-/6-/8-Channel, 16-Bit, Simultaneous-Sampling ADCs ________________________________________________________________ Maxim Integrated Products 1 Ordering Information 19-5036; Rev 0; 10/09 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. EVALUATION KIT AVAILABLE PART PIN-PACKAGE CHANNELS MAX11044ETN+ 56 TQFN-EP* 4 MAX11045ETN+ 56 TQFN-EP* 6 MAX11046ETN+ 56 TQFN-EP* 8 Note: All devices are specified over the -40°C to +85°C operating temperature range. + Denotes a lead(Pb)-free/RoHS-compliant package. * EP = Exposed pad. Functional Diagram CLAMP S/H 16-BIT ADC CLAMP S/H 16-BIT ADC REF BUF CONFIGURATION REGISTERS INTERFACE AND CONTROL BANDGAP REFERENCE CH0 AVDD AGNDs AGND CH7 DB15 DB0 DB3 DB4 EOC SHDN CONVST CS RD WR DGND DVDD RDC REFIO INT REF EXT REF MAX11044 MAX11045 MAX11046 TOP VIEW MAX11044 MAX11045 MAX11046 TQFN 8mm x 8mm + 15 17 16 18 19 20 21 22 23 24 25 26 27 28 DB1 *EP DB0 EOC CONVST SHDN DVDD DGND RDC AGNDS AVDD AGND CH0 AGNDS RDC DB14 DB15 RD CS WR DVDD DGND RDC AGNDS AVDD AGND CH7 AGNDS RDC 48 47 46 45 44 43 54 53 56 55 52 51 50 49 1 2 3 4 5 6 7 8 9 10 11 121314 42 41 40 39 38 37 36 35 34 33 32 31 30 29 Pin Configuration †Patent pending. |
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