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MAX11612-MAX11617: Low-Power, 12-bit, multi-channel Analog to Digital Converter (ADC)

In Electronic Infomation Category: M | on April 22,2011

MAX11612-MAX11617 Low-Power, 12-bit, multi-channel Analog to Digital Converter (ADC) with internal sample / hold (T / H) circuits, voltage reference, clock and MMBT5089 datasheet and I2C-compatible 2-wire serial interface. The devices are 2.7V to 3.6V (MAX11613/MAX11615/MAX11617) or 4.5V to 5.5V (MAX11612/MAX11614/MAX11616) single supply, the maximum sampling rate 94.4ksps consumes only 670A current. Sampling rate is lower than 46ksps, the supply current to 230uA below. AutoShutdown ? feature in the conversion of intermittent shutdown devices, at low throughput under the supply current to 1A. MAX11612/MAX11613 respectively four analog input channels, MAX11614/MAX11615 respectively 8 analog input channels, while the MAX11616/MAX11617 provides 12 analog input channels. Fully differential analog inputs are software configurable for unipolar or bipolar, and MMBT5089 price and single-ended or differential operation.

Full-scale analog input range is connected to the internal reference or external reference voltage 1V to VDD decision. MAX11613/MAX11615/MAX11617 with a 2.048V internal reference, MAX11612/MAX11614/MAX11616 is a 4.096V internal reference.

MAX11612/MAX11613 MAX ? 8-pin package, MAX11614-MAX11617 is a 16-pin QSOP package. MAX11612-MAX11617 operates over the extended temperature range (-40 C to +85 C). On the pin-compatible 10-bit version, please refer to MAX11606-MAX11611 data.

Key features

high-speed I 2 C-compatible serial interface

400kHz Fast Mode

1.7MHz high-speed mode

single power supply

2.7V to 3.6V (MAX11613/MAX11615/MAX11617)

4.5V to 5.5V (MAX11612/MAX11614/MAX11616)

internal reference

2.048V (MAX11613/MAX11615/MAX11617)

4.096V (MAX11612/MAX11614/MAX11616)

External Reference: 1V to VDD

internal clock

4-channel single-ended or 2-channel fully differential (MAX11612/MAX11613)

8-channel single-ended or 4-channel fully differential (MAX11614/MAX11615)

12-channel single-ended or 6-channel fully differential (MAX11616/MAX11617)

Internal FIFO with Channel Scan Mode

Low Power

94.4ksps under 670A

40ksps under 230A

10ksps under 60A

1ksps under 6A

Shutdown mode is 0.5A

software can be configured unipolar / bipolar

Small Packages

8-pin MAX (MAX11612/MAX11613)

16-pin QSOP (MAX11614-MAX11617)

Typical Operating Circuit


Application

Battery-powered test equipment

Handheld portable applications

Medical equipment

Received signal strength indication

Solar-powered remote system

System Monitoring

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