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MAX11123

更新时间： 2024-09-27 14:57:27
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
40页 1879K
描述
1Msps、低功耗、12/10/8位、4/8/16通道串行ADC

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MAX11123 数据手册

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EVALUATION KIT AVAILABLE  
Click here for production status of specific part numbers.  
MAX11120–MAX11128  
1Msps, Low-Power, Serial 12-/10-/8-Bit,  
4-/8-/16-Channel ADCs  
General Description  
Benefits and Features  
● Scan Modes, Internal Averaging, and Internal Clock  
● 16-Entry First-In/First-Out (FIFO)  
● SampleSet: User-Defined Channel Sequence with  
Maximum Length of 256  
● 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  
● Two Software-Selectable Bipolar Input Ranges  
The MAX11120–MAX11128 are 12-/10-/8-bit with external  
reference and industry-leading 1.5MHz, full linear band-  
width, high speed, low-power, serial output successive-  
approximation register (SAR) analog-to-digital converters  
(ADCs). The MAX11120–MAX11128 include both internal  
and external clock modes. These devices feature scan  
mode in both internal and external clock modes. The inter-  
nal clock mode features internal averaging to increase  
SNR. The external clock mode features the SampleSet™  
technology, a user-programmable analog input channel  
sequencer. The SampleSet approach provides greater  
sequencing flexibility for multichannel applications while  
alleviating significant microcontroller or DSP (controlling  
unit) communication overhead.  
• ±V  
/2, ±V  
REF+  
REF+  
● Flexible Input Configuration Across All Channels  
● High Accuracy  
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 MAX11120–  
MAX11128 operate from a 2.35V to 3.6V supply and  
consume only 5.4mW at 1Msps.  
• ±1 LSB INL, ±1 LSB DNL, No Missing Codes  
Over Temperature Range  
● 70dB SINAD Guaranteed at 250kHz Input Frequency  
● 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  
● 2.35V to 3.6V Supply Voltage  
● Longer Battery Life for Portable Applications  
• Low Power  
• 5.4mW at 1Msps with 3V Supplies  
• 2μA Full-Shutdown Current  
The MAX11120–MAX11128 include AutoShutdown™, fast  
wake-up, and a high-speed 3-wire serial interface. The  
devices feature full power-down mode for optimal power  
management.  
● External Differential Reference (1V to V  
)
DD  
● 16MHz, 3-Wire SPI-/QSPI-/MICROWIRE-/DSP-  
Compatible Serial Interface  
● Wide -40°C to +125°C Operation  
The 16MHz, 3-wire serial interface directly connects to  
SPI, QSPI™, and MICROWIRE devices without external  
®
● Space-Saving, 28-Pin, 5mm x 5mm TQFN Packages  
● 1Msps Conversion Rate, No Pipeline Delay  
● 12-/10-/8-Bit Resolution  
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.  
● AECQ-100 Qualified Variant Available (MAX11128ATI/V+)  
Applications  
● High-Speed Data Acquisition Systems  
● High-Speed Closed-Loop Systems  
● Industrial Control Systems  
● Medical Instrumentation  
The MAX11120–MAX11128 are available in 28-pin, 5mm  
x 5mm, TQFN packages and operate over the -40°C to  
+125°C temperature range.  
● Battery-Powered Instruments  
● Portable Systems  
SampleSet and AutoShutdown are trademarks of Maxim  
Integrated Products, Inc.  
QSPI is a trademark of Motorola, Inc.  
MICROWIRE is a registered trademark of National  
Semiconductor Corporation.  
Ordering Information appears at end of data sheet.  
19-6148; Rev 4; 2/19  
1234567...40

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