Product Summary

The MC145051P is a ratiometric 10-bit ADC. It has serial interface ports to provide communication with MCUs and MPUs. Either a 10- or 16-bit format can be used. The 16-bit format can be one continuous 16-bit stream or two intermittent 8-bit streams. The MC145051P operates from a single power supply with no external trimming required. Reference voltages down to 4.0 V are accommodated. The MC145051P has an internal clock oscillator and an end-of-conversion (EOC) output.

Parametrics

MC145051P absolute maximum ratings: (1)VDD, DC Supply Voltage (Referenced to VSS): – 0.5 to + 6.0 V; (2)Vref, DC Reference Voltage: VAG to VDD + 0.1 V; (3)VAG, Analog Ground VSS: – 0.1V to Vref; (4)Vin, DC Input Voltage, Any Analog or Digital Input: VSS – 0.5 to VDD + 0.5V; (5)Vout DC Output Voltage: VSS – 0.5 to VDD + 0.5V; (6)Iin, DC Input Current, per Pin: ± 20 mA; (7)Iout, DC Output Current, per Pin: ± 25 mA; (8)IDD, ISS, DC Supply Current, VDD and VSS Pins: ± 50 mA; (9)Tstg, Storage Temperature: – 65 to 150℃; (10)TL, Lead Temperature, 1 mm from Case for 10 Seconds: 260℃.

Features

MC145051P features: (1)11 Analog Input Channels with Internal Sample-and-Hold; (2)Operating Temperature Range: – 40 to 125℃; (3)Successive Approximation Conversion Time: 44 μs Maximum; (4)Maximum Sample Rate: 20.4 ks/s; (5)Analog Input Range with 5-Volt Supply: 0 to 5 V; (6)Monotonic with No Missing Codes; (7)Direct Interface to Motorola SPI and National MICROWIRE Serial Data Ports; (8)Digital Inputs/Outputs are TTL, NMOS, and CMOS Compatible; (9)Low Power Consumption: 14 mW; (10)Chip Complexity: 1630 Elements (FETs, Capacitors, etc.).

Diagrams

MC145051P block diagram

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Data Sheet

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Data Sheet

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500-1000: $0.09