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MAX1148BCUP+ - 

Analogue to Digital Converter, Low Power, 14 bit, 116 kSPS, Differential, Single Ended, SPI, Single

MAX1148BCUP+ - Analogue to Digital Converter, Low Power, 14 bit, 116 kSPS, Differential, Single Ended, SPI, Single

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製造商產品編號:
MAX1148BCUP+
訂購代碼:
2513335
產品範圍
Octal 14-Bit SAR ADCs
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產品總覽

The MAX1148BCUP+ is a true differential, serial, 8-channel, 14bit SAR analogue to digital converter (ADC) in 20 pin TSSOP package. This low power ADC contains internal track/hold, voltage reference and clock. All analogue inputs are software configurable for unipolar/bipolar and single ended/differential operation. The 4-wire serial interface connects directly to SPI/QSPI/MICROWIRE devices without external logic. The serial strobe output (SSTRB) allows convenient connection to digital signal processors. The MAX1148 uses an internal clock or an external serial interface clock to perform SAR ADC conversions. The device includes an internal 4.096V reference and accepts an external reference from 1.5V to VDD. It provides hardware shutdown and two software power-down modes. The quick turn-on time allows power-down between all conversions. This technique reduces supply current to under 120µA for quick turn-on. It is used in data acquisition, data logging & battery powered instruments.
  • Supply voltage range from 4.75V to 5.25V
  • Operating temperature range from 0°C to 70°C
  • Shutdown supply current of 120µA (fast power-down mode) and 0.3µA (full power-down mode)
  • 8-channel single ended or 4-channel differential inputs
  • Throughput rate of 116.66Ksps (18 clocks/conversion) with external clock mode, fSCLK = 2.1MHz
  • Low supply current of 1.1mA at 116Ksps sampling rate with external reference
  • INL of ±0.7LSB and DNL of ±0.5LSB (no missing codes over temperature)
  • Offset error of ±10LSB and offset temperature coefficient of 0.3ppm/°C
  • Gain error of ±20LSB and gain temperature coefficient of ±0.8ppm/°C
  • Small signal bandwidth (-3dB point) of 3MHz and full power bandwidth (SINAD > 68dB) of 2MHz

應用

Signal Processing, Portable Devices, Medical, Automation & Process Control

產品訊息

:
14bit
:
116kSPS
:
Differential, Single Ended
:
SPI
:
Single
:
4.75V
:
5.25V
:
TSSOP
:
20Pins
:
0°C
:
70°C
:
Octal 14-Bit SAR ADCs
:
-
:
MSL 1 - Unlimited
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