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The MAX174/MX574A/MX674A are complete 12-bit analog-to-digital converters (ADCs) that combine high speed, low-power consumption, and on-chip clock and voltage reference. The maximum conversion times are 8µs (MAX174), 15µs (MX674A), and 25µs (MX574A). Maxim’s BiCMOS construction reduces power dissipation 3 times (150mW) over comparable devices. The internal buried zener reference provides low-drift and low-noise performance. External component requirements are limited to only decoupling capacitors and fixed resistors. The versatile analog input structure allows for 0 to +10V or 0 to +20V unipolar or ±5V or ±10V bipolar input ranges with pin strapping.
The MAX174/MX574A/MX674A use standard microprocessor interface architectures and can be interfaced to 8-, 12-, and 16-bit wide buses. Three-state data outputs are controlled by active-low CS, CE, and R/active-low C logic inputs.
Key Features
- Complete ADC with Reference and Clock
- 12-Bit Resolution and Linearity
- No Missing Codes Over Temperature
- 150mW Power Dissipation
- 8µs (MAX174), 15µs (MX674A), and 25µs (MX574A) Max Conversion Times
- Precision Low TC Reference: 10ppm/°C
- Monolithic BiCMOS Construction
- 150ns Maximum Data Access Time
Applications/Uses
- Digital Signal Processing
- Electro-Mechanical Systems
- High-Accuracy Process Control
- High-Speed Data Acquisition
| Resolution (bits) (ADC) | 12 |
| # Input Channels | 1 |
| Conv. Rate (ksps) (max) | 125 |
| Data Bus | µP/12 |
| ADC Architecture | SAR |
| Diff/S.E. Input | S.E. Only |
| Internal VREF (V) (nominal) | 10 |
| Unipolar VIN (V) (max) | 20 |
| Bipolar VIN (±V) (max) | 10 |
| INL (±LSB) | 1 |
| Package/Pins | DICE SALES/N/A PDIP/28 SOIC (W)/28 |
| Budgetary Price (See Notes) | $41.85 @1k |
Technical Docs
| Data Sheet | Industry-Standard, Complete 12-Bit ADCs | Aug 29, 2018 |
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Support & Training
Search our knowledge base for answers to your technical questions.
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Parameters
Key Features
- Complete ADC with Reference and Clock
- 12-Bit Resolution and Linearity
- No Missing Codes Over Temperature
- 150mW Power Dissipation
- 8µs (MAX174), 15µs (MX674A), and 25µs (MX574A) Max Conversion Times
- Precision Low TC Reference: 10ppm/°C
- Monolithic BiCMOS Construction
- 150ns Maximum Data Access Time
Applications/Uses
- Digital Signal Processing
- Electro-Mechanical Systems
- High-Accuracy Process Control
- High-Speed Data Acquisition
Description
The MAX174/MX574A/MX674A are complete 12-bit analog-to-digital converters (ADCs) that combine high speed, low-power consumption, and on-chip clock and voltage reference. The maximum conversion times are 8µs (MAX174), 15µs (MX674A), and 25µs (MX574A). Maxim’s BiCMOS construction reduces power dissipation 3 times (150mW) over comparable devices. The internal buried zener reference provides low-drift and low-noise performance. External component requirements are limited to only decoupling capacitors and fixed resistors. The versatile analog input structure allows for 0 to +10V or 0 to +20V unipolar or ±5V or ±10V bipolar input ranges with pin strapping.
The MAX174/MX574A/MX674A use standard microprocessor interface architectures and can be interfaced to 8-, 12-, and 16-bit wide buses. Three-state data outputs are controlled by active-low CS, CE, and R/active-low C logic inputs.
Technical Docs
| Data Sheet | Industry-Standard, Complete 12-Bit ADCs | Aug 29, 2018 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal
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