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HI3-7151K-5 Datasheet(PDF) 1 Page - Intersil Corporation |
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HI3-7151K-5 Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 17 page 1 ® December 1997 HI-7151 10-Bit, High Speed, A/D Converter with Track and Hold Features • Conversion Time . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 µs • Continuous Throughput Rate . . . . . . . . . . . . . . . 100kHz • No Offset or Gain Adjustments Necessary • Internal Track and Hold Amplifier • Analog and Reference Inputs Fully Buffered • µP Compatible Byte Organized Outputs • Low Power Consumption . . . . . . . . . . . . . . . . . . 150mW • Uses a Single 2.5V Reference for ±2.5 V Input Range Applications • µP Controlled Data Acquisition Systems •DSP - Avionics - Sonar • Process Control - Automotive Transducer Sensing - Industrial • Robotics • Digital Communications • Image Processing Description The Intersil HI-7151 is a high speed 10-bit A/D converter which uses a 2-Step Flash algorithm to achieve throughput rates of 100kHz. A unique switched capacitor technique allows a new input voltage to be sampled while a conversion is taking place. A Track and Hold amplifier is included on the chip, consisting of two high speed amplifiers and an internal hold capacitor. Microprocessor bus interfacing is simplified by the use of standard Chip Select, Read, and Write control signals. The digital three-state outputs are byte organized for interfacing the either 8- or 16-bit systems. An Over-Range pin, together with the MSB, can be used to indicate an out-of-range condition. The HI-7151 operates with ±5V supplies. A single +2.5V reference is required to provide a bipolar input range from -2.5V to +2.5V. Internal high speed CMOS buffers at both the analog and reference inputs simplify external drive requirements. Pinout HI-7151 (PDIP, CERDIP) TOP VIEW Ordering Information PART NUMBER LINEARITY (MAX. DLE) TEMP. RANGE (oC) PACKAGE HI3-7151J-5 ±1 LSB 0 to 75 28 Ld PDIP HI3-7151K-5 ±1/2 LSB 0 to 75 28 Ld PDIP HI3-7151A-9 ±1 LSB 0 to 85 28 Ld PDIP HI3-7151B-9 ±1/2 LSB 0 to 85 28 Ld PDIP HI1-7151S-2 ±1 LSB -55 to 125 28 Ld CERDIP HI1-7151T-2 ±1/2 LSB -55 to 125 28 Ld CERDIP GND V- VREF AG VIN SET BUSY CLK HOLD WR CS RD SMODE DG V+ D9 D8 D7 D6 D4 D2 D1 D0 HBE BUS OVR D5 D3 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved File Number 3099.1 NOT REC OMM END ED F OR N EW D ESIG NS |
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