HI3-7151A-9 INTERSIL [Intersil Corporation], HI3-7151A-9 Datasheet
HI3-7151A-9
Related parts for HI3-7151A-9
HI3-7151A-9 Summary of contents
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... Internal high speed CMOS buffers at both the analog and reference inputs simplify external drive requirements. Ordering Information PART LINEARITY NUMBER (MAX. DLE) HI3-7151J-5 ± HI3-7151K-5 HI3-7151A-9 ± HI3-7151B-9 HI1-7151S-2 ± HI1-7151T-2 HI-7151 (PDIP, CERDIP) TOP VIEW 28 V+ GND ...
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Functional Diagram REF AMP V REF REF 3 INVERT AG (ANALOG GROUND (ANALOG INPUT GND (DIGITAL GROUND) HI-7151 (+) (33) (-) TWO RESISTOR STEP LADDER FLASH INPUT BUFFER AMP ...
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Pin Descriptions PIN NAME 1 GND Ground return for comparators (0V Negative supply voltage input (-5V Reference voltage input (+2.5V). REF 4 AG Analog ground reference (0V Analog Input Voltage SET Connect ...
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... Digital I/O Pins . . . . . . . . . . . . . . . . . . .DG - 0.3V < V Operating Conditions Temperature Range HI3-7151X HI3-7151X -40 CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. ...
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DC Electrical Specifications -5V, V Unless Otherwise Specified (Continued) PARAMETER SYMBOL TRACK AND HOLD (See Text) Slew Rate SR Bandwidth BW Aperture Time Aperture Uncertainty Feedthrough in HOLD Acquisition Time LOGIC INPUTS Input High Voltage ...
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AC Electrical Specifications ±10 -5V ±10 100pF (including stray for D0 - D9, OVR, HOLD, BUSY), Unless Otherwise Specified (Note 11) L PARAMETER SYMBOL Clock Input Duty Cycle Continuous Conversion Time Slow ...
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Timing Diagrams SMODE = +V, BUS = V+, HBE = CLOCK WRL HOLD TRACK N HOLD N t HOLD INTERNAL DATA RD t WRD BUSY D0-D9, OVR DATA FIGURE 1A. SLOW MEMORY MODE ...
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Timing Diagrams (Continued) SMODE = DG, BUS = DG 0 CLOCK CS WR (WR MAY BE WIRED LOW) t HOLD HOLD N HOLD TRACK N INTERNAL DATA RD HBE (HBE/LBE) D0-D9, OVR DATA BUSY FIGURE 1B. FAST MEMORY MODE (8-BIT ...
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REF - V + REF 3 REF(+) 1R AMP REF(+) AMP (-V ) REF (AG) - HOLD - + TRACK (ANALOG INPUT) BUFFER AMP (AG ...
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Detailed Description The HI-7151 is a high speed 10-bit A/D converter which achieves throughput rates of 100kHz by use of a Two Step Flash algorithm. A pipelined operation has been achieved through the use of switched capacitor techniques which allow ...
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ANALOG INPUT LSB = 1024 V = 2.500V REF REF ≥ +V 2.500V to V+ (+OVR) REF + LSB 2.49512V (+Full Scale) REF +1 LSB 0.00488V 0 0.000V -1 LSB -0.00488V -V -2.500V (-Full ...
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Slow Memory Mode In slow memory mode, the conversion will be initiated by the microprocessor by selecting the chip (CS) and pulsing WR low. This mode is selected by hardwiring the SMODE pin to V+. This mode is intended for ...
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As in any analog system, good supply bypassing is necessary in order to achieve optimum system performance (minimize conversion errors). The power supplies should be bypassed with at least a 20µF tantalum and 0.1µF ceramic capacitors to GND. The reference ...
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ANALOG INPUT 300kHz CLOCK CS WR HOLD TRACK N HOLD N INTERNAL DATA RD BUSY D0-D9, OVR DATA FIGURE 5. SLOW MEMORY MODE APPLICATION HI-7151 HI-7151 V+ 1 GND - OVR 3 D9 +2.56V V REF 0V 4 ...
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ANALOG INPUT 300kHz CLOCK CS WR (WR MAY BE WIRED LOW) HOLD N HOLD TRACK N INTERNAL DATA RD D0-D9, OVR DATA BUSY FIGURE 6. FAST MEMORY MODE APPLICATION HI-7151 HI-7151 1 GND OVR -5V +2.56V 3 ...
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ANALOG INPUT V+ 300kHz CLOCK TRACK N HOLD N HOLD INTERNAL DATA D0-D9, OVR ADDRESS DECODER ANALOG INPUTS DG528 DG S4 MUX SIGNAL S5 GROUND S6 RS SYSTEM S7 RESET S8 ...
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ADDRESS DECODER CS ANALOG INPUTS WR D PROGRAMMBLE S1 GAIN AMP DG528 DG S4 MUX SIGNAL S5 GROUND S6 RS SYSTEM S7 RESET S8 D0-D2, EN FIGURE 9. MULTI-CHANNEL DATA ACQUISITION SYSTEM WITH PROGRAMMABLE GAIN V ...