MAX146ACAP+

Semiconductors - ICs

> Data & Signal Conversion

> Analog-to-Digital Converters - ADC

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Series Information for MAX146ACAP+ - Maxim Integrated

Description

ADC 8-CH SAR 12BIT 133KSPS SSOP-20
The MAX146/MAX147 12-bit data-acquisition systems combine an 8-channel multiplexer, high-bandwidth track/hold, and serial interface with high conversion speed and low power consumption. The MAX146 oper- ates from a single +2.7V to +3.6V supply; the MAX147 operates from a single +2.7V to +5.25V supply. Both devices’ 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 MAX146/MAX147 use either the internal clock or an exter- nal serial-interface clock to perform successive-approxi- mation analog-to-digital conversions. The MAX146 has an internal 2.5V reference, while the MAX147 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 pro- grammed to automatically shut down at the end of a con- version. Accessing the serial interface automatically powers up the MAX146/MAX147, and the quick turn-on time allows them to be shut down between all conver- sions. This technique can cut supply current to under 60µA at reduced sampling rates. The MAX146/MAX147 are available in 20-pin DIP and SSOP packages. For 4-channel versions of these devices, see the MAX1246/MAX1247 data sheet.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
133kSPS
Input Channel Type:
Differential Single Ended
Data Interface:
SPI
Supply Voltage Type:
Single
Supply Voltage Min:
2.7V
Supply Voltage Max:
3.6V
ADC / DAC Case Style:
SSOP
No. of Pins:
20Pins
Operating Temperature Min:
0°C
Operating Temperature Max:
70°C
Product Range:
Octal 12-Bit SAR ADCs
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet America

ADC Single SAR 133ksps 12-bit Serial 20-Pin SSOP

Avnet America product

Avnet Europe

ADC Single SAR 133ksps 12-bit Serial 20-Pin SSOP

Avnet Europe product

Future Electronics

+2.7V, Low-Power, 8-Channel, Serial 12-Bit ADCs