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MAX11137ATI+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX11137ATI+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 40 page  MAX11135–MAX11143 500ksps, Low-Power, Serial 12-/10-/8-Bit, 4-/8-/16-Channel ADCs ����������������������������������������������������������������� Maxim Integrated Products 1 19-6215; Rev 0; 2/12 Ordering Information appears at end of data sheet. For related parts and recommended products to use with this part, refer to www.maxim-ic.com/MAX11135.related. SampleSet and AutoShutdown are trademarks of Maxim Integrated Products, Inc. QSPI is a trademark of Motorola, Inc. MICROWIRE is registered a trademark of National Semiconductor Corporation. General Description The MAX11135–MAX11143 are 12-/10-/8-bit with exter- nal reference and industry-leading 1.5MHz, full linear bandwidth, high speed, low-power, serial output suc- cessive-approximation register (SAR) analog-to-digital converters (ADCs). The MAX11135–MAX11143 include both internal and external clock modes. These devices feature scan mode in both internal and external clock modes. The internal clock mode features internal averag- ing to increase SNR. The external clock mode features the SampleSetK technology, a user-programmable ana- log input channel sequencer. The SampleSet approach provides greater sequencing flexibility for multichannel applications while alleviating significant microcontroller or DSP (controlling unit) communication overhead. The internal clock mode features an integrated FIFO allowing data to be sampled at high speeds and then held for readout at any time or at a lower clock rate. Internal averaging is also supported in this mode improving SNR for noisy input signals. The devices feature analog input channels that can be configured to be single-ended inputs, fully differential pairs, or pseudo-differential inputs with respect to one common input. The MAX11135– MAX11143 operate from a 2.35V to 3.6V supply and consume only 4.2mW at 500ksps. The MAX11135–MAX11143 include AutoShutdownK, fast wake-up, and a high-speed 3-wire serial interface. The devices feature full power-down mode for optimal power management. The 8MHz, 3-wire serial interface directly connects to SPI, QSPIK, and MICROWIREM devices without external logic. Excellent dynamic performance, low voltage, low power, ease of use, and small package size make these convert- ers ideal for portable battery-powered data-acquisition applications, and for other applications that demand low power consumption and small space. The MAX11135–MAX11143 are available in 28-pin, 5mm x 5mm, TQFN packages and operate over the -40NC to +125NC temperature range. Benefits and Features S Scan Modes, Internal Averaging, and Internal Clock S 16-Entry First-In/First-Out (FIFO) S SampleSet: User-Defined Channel Sequence with Maximum Length of 256 S Analog Multiplexer with True Differential Track/Hold 16-/8-/4-Channel Single-Ended 8-/4-/2-Channel Fully-Differential Pairs 15-/8-/4-Channel Pseudo-Differential Relative to a Common Input S Two Software-Selectable Bipolar Input Ranges Q VREF+/2, QVREF+ S Flexible Input Configuration Across All Channels S High Accuracy Q 1 LSB INL, Q1 LSB DNL, No Missing Codes Over Temperature Range S 70dB SINAD Guaranteed at 250kHz Input Frequency S 1.5V to 3.6V Wide Range I/O Supply Allows the Serial Interface to Connect Directly to 1.8V, 2.5V, or 3.3V Digital Systems S 2.35V to 3.6V Supply Voltage S Longer Battery Life for Portable Applications Low Power 4.2mW at 500ksps with 3V Supplies 2µA Full-Shutdown Current S External Differential Reference (1V to VDD) S 8MHz, 3-Wire SPI-/QSPI-/MICROWIRE-/DSP- Compatible Serial Interface S Wide -40NC to +125NC Operation S Space-Saving, 28-Pin, 5mm x 5mm TQFN Packages S 500ksps Conversion Rate, No Pipeline Delay S 12-/10-/8-Bit Resolution Applications High-Speed Data Acquisition Systems High-Speed Closed-Loop Systems Industrial Control Systems Medical Instrumentation Battery-Powered Instruments Portable Systems EVALUATION KIT AVAILABLE For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. |
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