Maxim Integrated MAX1248AEEE T
- Part Number:
- MAX1248AEEE T
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3012757-MAX1248AEEE T
- Description:
- IC ADC 10BIT SERIAL 16-QSOP
- Datasheet:
- MAX1248AEEE T
Description
The MAX1248/MAX1249 are 10-bit data acquisition systems that combine a 4-channel multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and low power consumption. They operate from a single 2.7V to 5.25V supply, and their analog inputs are software configurable for unipolar/bipolar and single-ended/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 MAX1248/MAX1249 use either the internal clock or an external serial-interface clock to perform successive-approximation analog-to-digital conversions.
The MAX1248 has an internal 2.5V reference, while the MAX1249 requires an external reference. Both parts have a reference-buffer amplifier with a ±1.5% voltage adjustment range.
These devices provide a hard-wired SHDN pin and a software-selectable power-down, and can be programmed to automatically shut down at the end of a conversion. Accessing the serial interface automatically powers up the MAX1248/MAX1249, and the quick turn-on time allows them to be shut down between all conversions. This technique can cut supply current to under 60µA at reduced sampling rates.
The MAX1248/MAX1249 are available in a 16-pin DIP and a very small QSOP that occupies the same board area as an 8-pin SO.
Features
4-Channel Single-Ended or 2-Channel Differential Inputs
Single 2.7V to 5.25V Operation
Internal 2.5V Reference (MAX1248)
Low Power:
1.2mA (133ksps, 3V supply)
54μA (1ksps, 3V supply)
1μA (power-down mode)
SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire Serial Interface
Software-Configurable Unipolar or Bipolar Inputs
16-Pin QSOP Package (same area as 8-pin SO)
Applications
Battery-Powered Instruments
Portable Data Logging
Data Acquisition
Medical Instruments
Pen Digitizers
System Supervision
The MAX1248/MAX1249 are 10-bit data acquisition systems that combine a 4-channel multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and low power consumption. They operate from a single 2.7V to 5.25V supply, and their analog inputs are software configurable for unipolar/bipolar and single-ended/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 MAX1248/MAX1249 use either the internal clock or an external serial-interface clock to perform successive-approximation analog-to-digital conversions.
The MAX1248 has an internal 2.5V reference, while the MAX1249 requires an external reference. Both parts have a reference-buffer amplifier with a ±1.5% voltage adjustment range.
These devices provide a hard-wired SHDN pin and a software-selectable power-down, and can be programmed to automatically shut down at the end of a conversion. Accessing the serial interface automatically powers up the MAX1248/MAX1249, and the quick turn-on time allows them to be shut down between all conversions. This technique can cut supply current to under 60µA at reduced sampling rates.
The MAX1248/MAX1249 are available in a 16-pin DIP and a very small QSOP that occupies the same board area as an 8-pin SO.
Features
4-Channel Single-Ended or 2-Channel Differential Inputs
Single 2.7V to 5.25V Operation
Internal 2.5V Reference (MAX1248)
Low Power:
1.2mA (133ksps, 3V supply)
54μA (1ksps, 3V supply)
1μA (power-down mode)
SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire Serial Interface
Software-Configurable Unipolar or Bipolar Inputs
16-Pin QSOP Package (same area as 8-pin SO)
Applications
Battery-Powered Instruments
Portable Data Logging
Data Acquisition
Medical Instruments
Pen Digitizers
System Supervision
Maxim Integrated MAX1248AEEE T technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX1248AEEE T.
- Factory Lead Time11 Weeks
- MountSurface Mount
- Mounting TypeSurface Mount
- Package / Case16-SSOP (0.154, 3.90mm Width)
- Number of Pins16
- Operating Temperature-40°C~85°C
- PackagingTape & Reel (TR)
- Published1998
- JESD-609 Codee3
- Pbfree Codeyes
- Part StatusActive
- Moisture Sensitivity Level (MSL)1 (Unlimited)
- Number of Terminations16
- ECCN CodeEAR99
- Terminal FinishMatte Tin (Sn)
- SubcategoryAnalog to Digital Converters
- Max Power Dissipation667mW
- TechnologyCMOS
- Terminal PositionDUAL
- Terminal FormGULL WING
- Peak Reflow Temperature (Cel)260
- Number of Functions1
- Terminal Pitch0.635mm
- Base Part NumberMAX1248
- Pin Count16
- Operating Supply Voltage5.25V
- PolarityBipolar, Unipolar
- Power Supplies3/5V
- ConfigurationMUX-S/H-ADC
- InterfaceSPI, Serial
- Number of Bits10
- Input TypeDifferential, Single Ended
- ArchitectureSAR
- Number of Inputs2, 4
- Converter TypeADC, SUCCESSIVE APPROXIMATION
- Supply TypeSingle
- Reference TypeExternal, Internal
- Data InterfaceSPI
- Resolution1.25 B
- Sampling Rate133 ksps
- Voltage - Supply, Analog2.7V~5.25V
- Voltage - Supply, Digital2.7V~5.25V
- Number of Analog In Channels4
- Sampling Rate (Per Second)133k
- Output Bit CodeBINARY
- Linearity Error-Max (EL)0.0488%
- Sample and Hold / Track and HoldTRACK
- Number of A/D Converters1
- Conversion Rate133 ksps
- Ratio - S/H:ADC1:1
- Signal to Noise Ratio (SNR)66 dB
- Length4.9mm
- Width3.9mm
- Radiation HardeningNo
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
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