Maxim Integrated MAX1247BEEE T
- Part Number:
- MAX1247BEEE T
- Manufacturer:
- Maxim Integrated
- Ventron No:
- 3012658-MAX1247BEEE T
- Description:
- IC ADC 12BIT SERIAL 16-QSOP
- Datasheet:
- MAX1247BEEE T
Description
The MAX1246/MAX1247 are 12-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 3.6V supply (MAX1246) or 2.7V to 5.25V supply (MAX1247). The analog inputs are software configurable for unipolar/bipolar and single-ended/differential operation. The 4-wire serial interface connects directly to SPI/QSPI/MICROWIRE/TMS320-family devices without external logic. The MAX1246/MAX1247 use either the internal clock or an external serial-interface clock to perform successive-approximation analog-to-digital conversions. The MAX1246 has an internal 2.5V reference, while the MAX1247 requires an external reference. Both parts have a reference-buffer amplifier with a 1.5% voltage-adjustment range. They 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 MAX1246/MAX1247, 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 MAX1246/MAX1247 are available in a 16-pin DIP and a small QSOP that occupies the same board area as an 8-pin SO.
Features
4-channel single-ended or 2-channel differential inputs
Single-supply operation:
2.7V to 3.6V (MAX1246)
2.7V to 5.25V (MAX1247)
Internal 2.5V reference (MAX1246)
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
Portable data logging
Medical instruments
Battery-powered instruments
Process control
The MAX1246/MAX1247 are 12-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 3.6V supply (MAX1246) or 2.7V to 5.25V supply (MAX1247). The analog inputs are software configurable for unipolar/bipolar and single-ended/differential operation. The 4-wire serial interface connects directly to SPI/QSPI/MICROWIRE/TMS320-family devices without external logic. The MAX1246/MAX1247 use either the internal clock or an external serial-interface clock to perform successive-approximation analog-to-digital conversions. The MAX1246 has an internal 2.5V reference, while the MAX1247 requires an external reference. Both parts have a reference-buffer amplifier with a 1.5% voltage-adjustment range. They 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 MAX1246/MAX1247, 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 MAX1246/MAX1247 are available in a 16-pin DIP and a small QSOP that occupies the same board area as an 8-pin SO.
Features
4-channel single-ended or 2-channel differential inputs
Single-supply operation:
2.7V to 3.6V (MAX1246)
2.7V to 5.25V (MAX1247)
Internal 2.5V reference (MAX1246)
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
Portable data logging
Medical instruments
Battery-powered instruments
Process control
Maxim Integrated MAX1247BEEE T technical specifications, attributes, parameters and parts with similar specifications to Maxim Integrated MAX1247BEEE 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)
- Published2002
- 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
- Supply Voltage3.6V
- Terminal Pitch0.635mm
- Reflow Temperature-Max (s)30
- Base Part NumberMAX1247
- Pin Count16
- Operating Supply Voltage5.25V
- PolarityBipolar, Unipolar
- Power Supplies3/5V
- ConfigurationMUX-S/H-ADC
- InterfaceSPI, Serial
- Number of Bits12
- Input TypeDifferential, Single Ended
- ArchitectureSAR
- Number of Inputs2, 4
- Converter TypeADC, SUCCESSIVE APPROXIMATION
- Supply TypeSingle
- Reference TypeExternal
- Data InterfaceSPI
- Resolution1.5 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, 2'S COMPLEMENT BINARY
- Linearity Error-Max (EL)0.0244%
- Sample and Hold / Track and HoldTRACK
- Number of A/D Converters1
- Conversion Rate133 ksps
- Ratio - S/H:ADC1:1
- Signal to Noise Ratio (SNR)73 dB
- Length4.89mm
- Width3.9mm
- Radiation HardeningNo
- RoHS StatusROHS3 Compliant
- Lead FreeLead Free
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