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MAX1331
12-/16-Bit DAS with ADC, DPIOs, APIOs, Reference, Voltage Monitors, and Temp Sensor
12-Bit, 300ksps Data-Acquisition System with 16-Bit ADC Mode (1ksps)
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Status
| Part Number |
Status |
Replacement |
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MAX1331
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This product is No Longer Available. | MAX1329
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Description
The MAX1331 is a smart data-acquisition system based on a SAR ADC. It is highly integrated offering an ADC, operational amplifiers, voltage reference, temperature sensors, and analog switches all on the same device.
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Data Sheet
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Key Features
- 1.8V to 5.5V, Single Digital Supply Operation
- Internal Charge Pump for Analog Circuits (2.7V to 5.5V)
- 12-Bit SAR ADC
- 12-Bits, TBDksps, No Missing Codes
- 16-Bits, TBDksps, DSP Mode
- 16-Word FIFO and 20-Bit Accumulator
- PGA with Gains of 1, 2, 4, and 8
- Unipolar and Bipolar Modes
- Independent Voltage References for ADC
- Internal 2.5V Internal Reference
- Adjustable Reference Buffers Provide 1.25V, 2.048V, or 2.5V
- System Support
- ADC Alarm Register
- Internal/External Temperature Sensor
- Internal Oscillator with Clock I/O
- Digital Programmable I/O
- Analog Programmable I/O
- Programmable Interrupts
- Ability to Measure Supply Voltage
- Programmable Dual Voltage Monitors
- SPI™/QSP™/MICROWIRE™-Compatible, 4-Wire Serial Interface
- Space-Saving, 40-Pin, 6mm x 6mm Thin QFN Package
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Applications/Uses
- Battery-Powered and Portable Devices
- Data Acquisition Systems
- Electrochemical and Optical Sensors
- Low-Cost CODECs
- Medical Instruments
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Key Specifications:
| Precision ADCs (< 5Msps) |
| Part Number |
Resolution
(bits) |
Input Chan. |
Conv. Rate
(ksps) |
Data Bus
(bits) |
Diff/S.E. Input |
Internal VREF
(V) |
External VREF
(V) |
External VREF
(V) |
Unipolar VIN
(V) |
Bipolar VIN
(±V) |
Package/Pins |
| ADC |
max |
nominal |
min |
max |
max |
max |
| MAX1331 |
12 |
2 |
300 |
SPI |
Both |
2.5 |
1.225 |
5.4 |
2.5 |
2.5 |
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See All Precision ADCs (< 5Msps) (417)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Notes and Comments
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
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Information Index
Rev 0;
2005-08-19
This page last modified: 2005-08-19
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