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Data Converters 
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Analog-to-Digital Converters
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1.5Msps Sampling Rate Only 22mW (typ) Power Dissipation Only 1µA (max) Shutdown Current High-Speed, SPI-Compatible, 3-Wire Serial Interface 61dB S/(N + D) at 525kHz Input Frequency Internal True-Differential Track/Hold (T/H) Internal 2.048V Reference No Pipeline Delays Small 12-Pin TQFN Package
MAX1077
1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs with Internal Reference
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Key Features
Applications/Uses
Parametric specs for Precision ADCs (< 5Msps)
| Resolution (bits) (ADC) | 10 |
| # Input Channels | 1 |
| Conv. Rate (ksps) (max) | 1500 |
| Data Bus | SPI |
| ADC Architecture | SAR |
| Diff/S.E. Input | Both |
| Internal VREF (V) (nominal) | 2.048 |
| Unipolar VIN (V) (max) | 2.048 |
| Bipolar VIN (±V) (max) | 1.024 |
| INL (±LSB) | 0.5 |
| Package/Pins | TQFN/12 |
| Budgetary Price (See Notes) | 4.23 |
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Simplified Block Diagram
Technical Docs
| Data Sheet | 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs with Internal Reference | May 09, 2011 |
Support & Training
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Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Parameters
Parametric specs for Precision ADCs (<u><</u> 5Msps)
| Resolution (bits) (ADC) | 10 |
| # Input Channels | 1 |
| Conv. Rate (ksps) (max) | 1500 |
| Data Bus | SPI |
| ADC Architecture | SAR |
| Diff/S.E. Input | Both |
| Internal VREF (V) (nominal) | 2.048 |
| Unipolar VIN (V) (max) | 2.048 |
| Bipolar VIN (±V) (max) | 1.024 |
| INL (±LSB) | 0.5 |
| Package/Pins | TQFN/12 |
| Budgetary Price (See Notes) | 4.23 |
Key Features
Applications/Uses
- Bill Validation
- Communications
- Data Acquisition
- Motor Control
- Portable Instrumentation
Description
The MAX1077/MAX1079 are low-power, high-speed, serial-output, 10-bit, analog-to-digital converters (ADCs) that operate at up to 1.5Msps and have an internal reference. These devices feature true-differential inputs, offering better noise immunity, distortion improvements, and a wider dynamic range over single-ended inputs. A standard SPI™/QSPI™/MICROWIRE™ interface provides the clock necessary for conversion. These devices easily interface with standard digital signal processor (DSP) synchronous serial interfaces.
The MAX1077/MAX1079 operate from a single +2.7V to +3.6V supply voltage. The MAX1077/MAX1079 include a 2.048V internal reference. The MAX1077 has a unipolar analog input, while the MAX1079 has a bipolar analog input. These devices feature a partial power-down mode and a full power-down mode for use between conversions, which lower the supply current to 2mA (typ) and 1µA (max), respectively. Also featured is a separate power-supply input (VL), which allows direct interfacing to +1.8V to VDD digital logic. The fast conversion speed, low-power dissipation, excellent AC performance, and DC accuracy (±0.5 LSB INL) make the MAX1077/MAX1079 ideal for industrial process control, motor control, and base-station applications.
The MAX1077/MAX1079 come in a 12-pin TQFN package, and are available in the extended (-40°C to +85°C) temperature range.
The MAX1077/MAX1079 operate from a single +2.7V to +3.6V supply voltage. The MAX1077/MAX1079 include a 2.048V internal reference. The MAX1077 has a unipolar analog input, while the MAX1079 has a bipolar analog input. These devices feature a partial power-down mode and a full power-down mode for use between conversions, which lower the supply current to 2mA (typ) and 1µA (max), respectively. Also featured is a separate power-supply input (VL), which allows direct interfacing to +1.8V to VDD digital logic. The fast conversion speed, low-power dissipation, excellent AC performance, and DC accuracy (±0.5 LSB INL) make the MAX1077/MAX1079 ideal for industrial process control, motor control, and base-station applications.
The MAX1077/MAX1079 come in a 12-pin TQFN package, and are available in the extended (-40°C to +85°C) temperature range.
Technical Docs
| Data Sheet | 1.5Msps, Single-Supply, Low-Power, True-Differential, 10-Bit ADCs with Internal Reference | May 09, 2011 |
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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