MAX1203BCAP+T
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Analog Devices Inc./Maxim Integrated MAX1203BCAP+T

Manufacturer No:
MAX1203BCAP+T
Manufacturer:
Analog Devices Inc./Maxim Integrated
Package:
Tape & Reel (TR)
Description:
IC ADC 12BIT SAR 20SSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MAX1203BCAP+T is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX1202/MAX1203 family, designed for use in applications with mixed +5V (analog) and +3V (digital) supply voltages. It combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface, making it suitable for various data-acquisition systems.

Key Specifications

Parameter Conditions Min Typ Max Units
Resolution 12 Bits
Conversion Time Internal clock 5.5 10 µs
Conversion Time External clock, 2MHz, 12 clocks/conversion 6 µs
Track/Hold Acquisition Time 1.5 µs
Aperture Delay 10 ns
Aperture Jitter < 50 ps
Internal Clock Frequency 1.7 MHz
External Clock Frequency Range 0.1 2.0 MHz
Supply Voltage (Analog) +5V ±5% V
Supply Voltage (Digital) 2.7V to 3.6V V
Power Consumption (Operating Mode) 1.5 mA
Power Consumption (Power-Down Mode) 2 µA

Key Features

  • 8-channel multiplexer with high-bandwidth track/hold circuitry.
  • 12-bit resolution with successive approximation analog-to-digital conversion.
  • Operates with a single +5V analog supply or dual ±5V analog supplies.
  • Serial interface compatible with SPI/MICROWIRE/TMS320-family digital signal processors.
  • Internal clock or external serial-interface clock options.
  • No internal reference; requires an external reference voltage (e.g., 4.096V).
  • Reference-buffer amplifier for simplified gain trim.
  • Software-configurable unipolar/bipolar inputs.
  • Low power consumption: 1.5mA in operating mode and 2µA in power-down mode.

Applications

  • Data-acquisition systems in industrial, medical, and automotive applications.
  • Embedded systems requiring mixed +5V and +3V supply voltages.
  • Systems needing high-speed, low-power ADCs with serial interface capabilities.
  • Applications requiring direct connection to SPI/MICROWIRE/TMS320-family digital signal processors.

Q & A

  1. What is the resolution of the MAX1203BCAP+T ADC?

    The MAX1203BCAP+T has a 12-bit resolution.

  2. What are the supply voltage requirements for the MAX1203BCAP+T?

    The MAX1203BCAP+T operates with a single +5V analog supply or dual ±5V analog supplies, and the digital supply voltage ranges from 2.7V to 3.6V.

  3. What is the conversion time of the MAX1203BCAP+T?

    The conversion time is 5.5µs with the internal clock and 6µs with an external 2MHz clock.

  4. Does the MAX1203BCAP+T have an internal reference voltage?

    No, the MAX1203BCAP+T requires an external reference voltage.

  5. What is the power consumption of the MAX1203BCAP+T in operating and power-down modes?

    The power consumption is 1.5mA in operating mode and 2µA in power-down mode.

  6. Is the MAX1203BCAP+T compatible with SPI and MICROWIRE interfaces?

    Yes, it is compatible with SPI/MICROWIRE/TMS320-family digital signal processors.

  7. What is the track/hold acquisition time of the MAX1203BCAP+T?

    The track/hold acquisition time is 1.5µs.

  8. Can the MAX1203BCAP+T be used in applications requiring bipolar inputs?

    Yes, the MAX1203BCAP+T supports software-configurable unipolar/bipolar inputs.

  9. What is the maximum frequency of the external clock for the MAX1203BCAP+T?

    The maximum frequency of the external clock is 2MHz.

  10. What package types are available for the MAX1203BCAP+T?

    The MAX1203BCAP+T is available in a 20-pin SSOP package.

Product Attributes

Number of Bits:12
Sampling Rate (Per Second):133k
Number of Inputs:4, 8
Input Type:Differential, Single Ended
Data Interface:SPI
Configuration:MUX-S/H-ADC
Ratio - S/H:ADC:1:1
Number of A/D Converters:1
Architecture:SAR
Reference Type:External
Voltage - Supply, Analog:±5V, 5V
Voltage - Supply, Digital:2.7V ~ 5.25V
Features:- 
Operating Temperature:0°C ~ 70°C
Package / Case:20-SSOP (0.209", 5.30mm Width)
Supplier Device Package:20-SSOP
Mounting Type:Surface Mount
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Similar Products

Part Number MAX1203BCAP+T MAX1204BCAP+T MAX1202BCAP+T MAX1203ACAP+T
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Product Status Active Active Active Active
Number of Bits 12 10 12 12
Sampling Rate (Per Second) 133k 133k 133k 133k
Number of Inputs 4, 8 4, 8 4, 8 4, 8
Input Type Differential, Single Ended Differential, Single Ended Differential, Single Ended Differential, Single Ended
Data Interface SPI SPI SPI SPI
Configuration MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC MUX-S/H-ADC
Ratio - S/H:ADC 1:1 1:1 1:1 1:1
Number of A/D Converters 1 1 1 1
Architecture SAR SAR SAR SAR
Reference Type External External, Internal External, Internal External
Voltage - Supply, Analog ±5V, 5V ±5V, 5V ±5V, 5V ±5V, 5V
Voltage - Supply, Digital 2.7V ~ 5.25V ±5V, 5V 2.7V ~ 5.25V 2.7V ~ 5.25V
Features - - - -
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Package / Case 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width) 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package 20-SSOP 20-SSOP 20-SSOP 20-SSOP
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

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