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Data Converters 
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Analog-to-Digital Converters
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MAX1320
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V, and 0 to +5V Analog Input Ranges
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V and 0 to +5V Analog Input Ranges
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Key Features
Applications/Uses
Parametric specs for Precision ADCs (< 5Msps)
| Resolution (bits) (ADC) | 14 |
| # Input Channels | 8 |
| Conv. Rate (ksps) (max) | 526 |
| Data Bus | µP/14 |
| ADC Architecture | SAR |
| Diff/S.E. Input | S.E. Only |
| Internal VREF (V) (nominal) | 2.5 |
| External VREF (V) (min) | 2 |
| External VREF (V) (max) | 3 |
| Bipolar VIN (±V) (max) | 5 |
| INL (±LSB) | 0.8 |
| Package/Pins | LQFP/48 |
| Budgetary Price (See Notes) | 20.24 |
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Simplified Block Diagram
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Parameters
Parametric specs for Precision ADCs (<u><</u> 5Msps)
| Resolution (bits) (ADC) | 14 |
| # Input Channels | 8 |
| Conv. Rate (ksps) (max) | 526 |
| Data Bus | µP/14 |
| ADC Architecture | SAR |
| Diff/S.E. Input | S.E. Only |
| Internal VREF (V) (nominal) | 2.5 |
| External VREF (V) (min) | 2 |
| External VREF (V) (max) | 3 |
| Bipolar VIN (±V) (max) | 5 |
| INL (±LSB) | 0.8 |
| Package/Pins | LQFP/48 |
| Budgetary Price (See Notes) | 20.24 |
Key Features
- 8-/4-/2-Channel, 14-Bit ADCs
- ±1.5 LSB INL, ±1 LSB DNL, No Missing Codes
- 90dBc SFDR, -86dBc THD, 76.5dB SINAD, 77dB SNR at 100kHz Input
- On-Chip T/H Circuit for Each Channel
- 10ns Aperture Delay
- 50ps Channel-to-Channel T/H Matching
- Fast Conversion Time
- One Channel in 1.6µs
- Two Channels in 1.9µs
- Four Channels in 2.5µs
- Eight Channels in 3.7µs
- High Throughput
- 526ksps/ch for One Channel
- 455ksps/ch for Two Channels
- 357ksps/ch for Four Channels
- 250ksps/ch for Eight Channels
- Flexible Input Ranges
- 0 to +5V (MAX1316/MAX1317/MAX1318)
- ±5V (MAX1320/MAX1321/MAX1322)
- ±10V (MAX1324/MAX1325/MAX1326)
- No Calibration Needed
- 14-Bit, High-Speed, Parallel Interface
- Internal or External Clock
- +2.5V Internal Reference or +2.0V to +3.0V External Reference
- +5V Analog Supply, +3V to +5V Digital Supply
- 46mA Analog Supply Current (typ)
- 1.6mA Digital Supply Current (max)
- Shutdown and Power-Saving Modes
- 48-Pin TQFP Package (7mm x 7mm Footprint)
Applications/Uses
- Multiphase Motor Control
- Power-Factor Monitoring and Correction
- Power-Grid Synchronization
- Vibration and Waveform Analysis
Description
The MAX1316–MAX1318/MAX1320–MAX1322/MAX1324–MAX1326 14-bit, analog-to-digital converters (ADCs) offer two, four, or eight independent input channels. Independent track/hold (T/H) circuitry provides simultaneous sampling for each channel. The MAX1316/MAX1317/MAX1318 have a 0 to +5V input range with ±6.0V fault-tolerant inputs. The MAX1320/MAX1321/MAX1322 have a ±5V input range with ±16.5V fault-tolerant inputs. The MAX1324/MAX1325/MAX1326 have a ±10V input range with ±16.5V fault-tolerant inputs. These ADCs convert two channels in 2µs, and up to eight channels in 3.8µs, and have an 8-channel throughput of 250ksps per channel. Other features include a 10MHz T/H input bandwidth, internal clock, internal (+2.5V) or external (+2.0V to +3.0V) reference, and power-saving modes.
A 16.6MHz, 14-bit, bidirectional, parallel interface provides the conversion results and accepts digital configuration inputs.
These devices operate from a +4.75V to +5.25V analog supply and a separate +2.7V to +5.25V digital supply, and consume less than 50mA total supply current.
These devices come in a 48-pin TQFP package and operate over the extended -40°C to +85°C temperature range.
A 16.6MHz, 14-bit, bidirectional, parallel interface provides the conversion results and accepts digital configuration inputs.
These devices operate from a +4.75V to +5.25V analog supply and a separate +2.7V to +5.25V digital supply, and consume less than 50mA total supply current.
These devices come in a 48-pin TQFP package and operate over the extended -40°C to +85°C temperature range.
Simplified Block Diagram
MAX1316, MAX1317, MAX1318, MAX1320, MAX1321, MAX1322, MAX1324, MAX1325, MAX1326: Functional Diagram
Technical Docs
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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