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Details for MAX149BCAP+ by Maxim Integrated
Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC
ADC 8-CH SAR 10BIT 133KSPS SSOP-20
MAX149BCAP+ image

MAX149BCAP+ by Maxim Integrated

ADC 8-CH SAR 10BIT 133KSPS SSOP-20
Part Information
MAX149BCAP+ image
RoHS Compliant
Description
The MAX148/MAX149 10-bit data-acquisition systems combine an 8-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 sample to 133ksps. Both devices’ analog inputs are software configurable for unipolar/bipolar and single-ended/differential operation. The 4-wire serial interface connects directly to SPI/ QSPIK and MICROWIREK devices without external logic. A serial-strobe output allows direct connection to TMS320-family digital signal processors. The MAX148/ MAX149 use either the internal clock or an external seri- al-interface clock to perform successive-approximation analog-to-digital conversions. The MAX149 has an internal 2.5V reference, while the MAX148 requires an external reference. Both parts have a reference-buffer amplifier with a Q1.5% voltage- adjustment range. These devices provide a hard-wired SHDN pin and a software-selectable power-down, and can be pro- grammed to automatically shut down at the end of a conversion. Accessing the serial interface automatically powers up the MAX148/MAX149, and the quick turn-on time allows them to be shut down between all conver- sions. This technique can cut supply current to under 60FA at reduced sampling rates. The MAX148/MAX149 are available in 20-pin PDIP and 20-pin SSOP packages. For 4-channel versions of these devices, see the MAX1248/MAX1249 data sheet.
Specifications
Resolution (Bits):
10bit
Sampling Rate:
133kSPS
Input Channel Type:
Differential Single Ended
Data Interface:
SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
SSOP
No. of Pins:
20Pins
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Product Range:
Octal 10-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)
Alternate Descriptions
ADC, 8-CH, SAR, 10BIT, 133KSPS, SSOP-20; Resolution (Bits):10bit; Sampling Rate:133kSPS; Input Channel Type:Differential, Single Ended; Data Interface:SPI; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.25VRoHS Compliant: Yes Newark Electronics
ADC Single SAR 133ksps 10-bit Serial 20-Pin SSOP Avnet America
ADC Single SAR 133ksps 10-bit Serial 20-Pin SSOP Avnet Europe
+2.7V to +5.25V Low-Power 8-Channel Serial 10-Bit ADCs Future Electronics