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> Analog-to-Digital Converters - ADC

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Details for Microchip Technology


16 Bit Analog Processor
Buy Directly from Microchip Technology (994 in Stock)
$2.5700 per unit
Series Information for TC500ACOE - Microchip Technology


  • feature
    (TC500/TC500A): 10 mW
  • feature
    (TC510/TC514): 18 mW
  • feature
    3-Pin Control Interface to Microprocessor
  • feature
    4 Input, Differential Analog MUX (TC514)
  • feature
    Automatic Input Voltage Polarity Detection
  • feature
    Directly Accepts Bipolar and Differential
  • feature
    Flexible: User Can Trade-off Conversion Speed for Resolution
  • feature
    Low Power Dissipation:
  • feature
    Single-Supply Operation (TC510/TC514)
  • feature
    Wide Analog Input Range:
  • feature
    u00b14.2V (TC500A/TC510)


TheTC500/A/510/514 family are precision analog front ends that implement dual slope A/D converters having a maximum resolution of 17 bits plus sign. As a minimum, each device contains the integrator, zero crossing comparator and processor interface logic. The TC500 is the base (16-bit max) device and requires both positive and negative power supplies. The TC500A is identical to the TC500 with the exception that it has improved linearity, allowing it to operate to a maximum resolution of 17 bits. The TC510 adds an on- board negative power supply converter for single- supply operation. The TC514 adds both a negative power supply converter and a 4-input differential analog multiplexer. Each device has the same processor control interface consisting of 3 wires: control inputs (A and B) and zero- crossing comparator output (CMPTR). The processor manipulates A, B to sequence the TC5XX through four phases of conversion: auto-zero, integrate, de- integrate and integrator zero. During the auto-zero phase, offset voltages in the TC5XX are corrected by a closed loop feedback mechanism. The input voltage is applied to the integrator during the integrate phase. This causes an integrator output dv/dt directly proportional to the magnitude of the input voltage. The higher the input voltage, the greater the magnitude of the voltage stored on the integrator during this phase. At the start of the de-integrate phase, an external voltage reference is applied to the integrator and, at the same time, the external host processor starts its on- board timer. The processor maintains this state until a transition occurs on the CMPTR output, at which time the processor halts its timer. The resulting timer count is the converted analog data. Integrator zero (the final phase of conversion) removes any residue remaining in the integrator in preparation for the next conversion. The TC500/A/510/514 offer high resolution (up to 17 bits), superior 50/60 Hz noise rejection, low-power operation, minimum I/O connections, low input bias currents and lower cost compared to other converter technologies having similar conversion speeds. Precision Analog Front Ends with Dual Slope ADC


Resolution (Bits):
Sampling Rate:
Input Channel Type:
Data Interface:
3 Wire Serial
Supply Voltage Type:
Dual (+/-)
Supply Voltage Min:
Supply Voltage Max:
ADC / DAC Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 1 - Unlimited
No SVHC (15-Jan-2018)
Base Number:
Brief Features:
3-Pin Control Interface to Microprocessor Directly Accepts Bipolar and Differential Input Signals
IC Function:
Precision Analogue Front Ends with Dual Slope ADC
IC Package Type:
Operating Temperature Range:
0°C to +70°C
Supply Voltage Range:
± 4.5V to ± 7.5V

Alternate Descriptions

Avnet America

AFE General Purpose 1ADC 17-Bit ±5V 16-Pin SOIC W Tube

Avnet America product

Microchip Technology Inc

16 Bit Analog Processor

Future Electronics

3 Wire Analog Front End 4.5 V 16-Bit A/D Converter Surface Mount - SOIC-16