MAX1082B
300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference
MyMaxim SubscriptionsProduct Details
Key Features
Applications/Uses
| Resolution (bits) (ADC) | 10 |
| # Input Channels | 4 |
| Conv. Rate (ksps) (max) | 400 |
| Data Bus | SPI |
| ADC Architecture | SAR |
| Diff/S.E. Input | Both |
| Internal VREF (V) (nominal) | 2.5 |
| External VREF (V) (min) | 1 |
| External VREF (V) (max) | 5.5 |
| Unipolar VIN (V) (max) | 2.5 |
| Bipolar VIN (±V) (max) | 1.25 |
| INL (±LSB) | 1 |
| Package/Pins | TSSOP/16 |
| Budgetary Price (See Notes) | 2.4 |
Simplified Block Diagram
Technical Docs
| Data Sheet | 300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference | Jan 06, 2015 |
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 .
Parameters
| Resolution (bits) (ADC) | 10 |
| # Input Channels | 4 |
| Conv. Rate (ksps) (max) | 400 |
| Data Bus | SPI |
| ADC Architecture | SAR |
| Diff/S.E. Input | Both |
| Internal VREF (V) (nominal) | 2.5 |
| External VREF (V) (min) | 1 |
| External VREF (V) (max) | 5.5 |
| Unipolar VIN (V) (max) | 2.5 |
| Bipolar VIN (±V) (max) | 1.25 |
| INL (±LSB) | 1 |
| Package/Pins | TSSOP/16 |
| Budgetary Price (See Notes) | 2.4 |
Key Features
- 4-Channel Single-Ended or 2-Channel
- Pseudo-Differential Inputs
- Internal Multiplexer and Track/Hold
- Single-Supply Operation
- +4.5V to +5.5V (MAX1082)
- +2.7V to +3.6V (MAX1083)
- Internal +2.5V Reference
- 400kHz Sampling Rate (MAX1082)
- Low Power: 2.5mA (400ksps)
- 1.3mA (REDP)
- 0.9mA (FASTPD)
- 2µA (FULLPD)
- SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire Serial Interface
- Software-Configurable Unipolar or Bipolar Inputs
- 16-Pin TSSOP Package
Applications/Uses
- Battery-Powered Applications
- Data Acquisition
- Medical Instruments
- Pen Digitizers
- Portable Data Logging
- Process Control
Description
The MAX1082/MAX1083 10-bit analog-to-digital converters (ADCs) combine a 4-channel analog-input multiplexer, high-bandwidth track/hold (T/H), and serial interface with high conversion speed and low power consumption. The MAX1082 operates from a single +4.5V to +5.5V supply; the MAX1083 operates from a single +2.7V to +3.6V supply. Both devices' analog inputs are software configurable for unipolar/bipolar and single-ended/pseudo-differential operation.
The 4-wire serial interface connects directly to SPI/QSPI™ and MICROWIRE® devices without external logic. A serial strobe output allows direct connection to TMS320-family digital signal processors. The MAX1082/ MAX1083 use an external serial-interface clock to perform successive-approximation analog-to-digital conversions. The devices feature an internal +2.5V reference and a reference-buffer amplifier with a ±1.5% voltage-adjustment range. An external reference with a 1V to VDD range may also be used.
The MAX1082/MAX1083 provide a hard-wired active-low SHDN pin and four software-selectable power modes (normal operation, reduced power (REDP), fast power-down (FASTPD), and full power-down (FULLPD)). These devices can be programmed to shut down automatically at the end of a conversion or to operate with reduced power. When using the power-down modes, accessing the serial interface automatically powers up the devices, and the quick turn-on time allows them to be shut down between all conversions.
The MAX1082/MAX1083 are available in 16-pin TSSOP packages.
Simplified Block Diagram
MAX1082, MAX1082A, MAX1082B, MAX1083, MAX1083A, MAX1083B: Typical Operating Circuit
Technical Docs
| Data Sheet | 300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference | Jan 06, 2015 |
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 .
Request a Quote