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MAX11044_11

更新时间： 2024-11-07 11:18:55
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美信 - MAXIM /
页数 文件大小 规格书
27页 1565K
描述
4-/6-/8-Channel, 16-/14-Bit, Simultaneous-Sampling ADCs

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MAX11044_11 数据手册

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19-5036; Rev 5; 1/11  
4-/6-/8-Channel, 16-/14-Bit,  
Simultaneous-Sampling ADCs  
4/MAX1056  
General Description  
Features  
The MAX11044/MAX11045/MAX11046 16-bit and  
MAX11054/MAX11055/MAX11056 14-bit ADCs offer 4, 6,  
or 8 independent input channels. Featuring independent  
track and hold (T/H) and SAR circuitry, these parts pro-  
vide simultaneous sampling at 250ksps for each channel.  
o 16-Bit ADC (MAX11044/MAX11045/MAX11046) and  
14-Bit ADC (MAX11054/MAX11055/MAX11056)  
8-Channel ADC (MAX11046/MAX11056)  
6-Channel ADC (MAX11045/MAX11055)  
4-Channel ADC (MAX11044/MAX11054)  
The MAX11044/MAX11045/MAX11046 and MAX11054/  
MAX11055/MAX11056 accept a 5ꢀ input. All inputs  
are overrange protected with internal 20mA input  
clamps providing overrange protection with a simple  
external resistor. Other features include a 4MHz T/H  
input bandwidth, internal clock, and internal or external  
reference. A 20MHz, bidirectional, parallel interface  
provides the conversion results and accepts digital  
configuration inputs.  
o Single Analog and Digital Supply  
o High-Impedance Inputs Up to 1GΩ  
o On-Chip T/H Circuit for Each Channel  
o Fast 3µs Conversion Time  
o High Throughput: 250ksps for Each Channel  
o 16-Bit/14-Bit, High-Speed, Parallel Interface  
o Internal Clocked Conversions  
The MAX11044/MAX11045/MAX11046 and MAX11054/  
MAX11055/MAX11056 operate with a 4.75ꢀ to 5.25ꢀ  
analog supply and a separate flexible 2.7ꢀ to 5.25ꢀ  
digital supply for interfacing with the host without a level  
shifter. The MAX11044/MAX11045/MAX11046  
are available in a 56-pin TQFN and 64-pin TQFP pack-  
ages while the MAX11054/MAX11055/MAX11056 are  
available in TQFP only and operate over the extended  
-40°C to +85°C temperature range.  
o 10ns Aperture Delay  
o 100ps Channel-to-Channel T/H Matching  
o Low Drift, Accurate 4.096V Internal Reference  
Providing an Input Range of 5V  
o External Reference Range of 3.0V to 4.25V,  
Allowing Full-Scale Input Ranges of 4.0V to 5.2V  
Applications  
o 56-Pin (8mm x 8mm) TQFN and 64-Pin  
Automatic Test Equipment  
(10mm x 10mm) TQFP Packages  
Power-Factor Monitoring and Correction  
Power-Grid Protection  
Multiphase Motor Control  
o Evaluation Kit Available  
ꢀibration and Waveform Analysis  
Functional Diagram  
Ordering Information  
PART  
PIN-PACKAGE  
56 TQFN-EP*  
64 TQFP-EP*  
56 TQFN-EP*  
64 TQFP-EP*  
56 TQFN-EP*  
64 TQFP-EP*  
64 TQFP-EP*  
64 TQFP-EP*  
64 TQFP-EP*  
CHANNELS  
AVDD  
CH0  
DVDD  
DB15**  
MAX11044ETN+  
MAX11044ECB+  
MAX11045ETN+  
MAX11045ECB+  
MAX11046ETN+  
MAX11046ECB+  
MAX11054ECB+  
MAX11055ECB+  
MAX11056ECB+  
4
4
6
6
8
8
4
6
8
16-/14-BIT ADC  
16-/14-BIT ADC  
CLAMP  
CLAMP  
S/H  
S/H  
DB4  
DB3/CR3  
†
DB0/CR0  
CH7  
CONFIGURATION  
REGISTERS  
WR  
AGNDS  
AGND  
RD  
CS  
INTERFACE  
AND  
CONTROL  
CONVST  
SHDN  
EOC  
MAX11044/MAX11045/MAX11046/  
MAX11054/MAX11055/MAX11056  
Note: All devices are specified over the -40°C to +85°C operating  
temperature range.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
DGND  
RDC  
INT REF  
10kΩ  
BANDGAP  
REFERENCE  
REF  
BUF  
EXT REF  
REFIO  
RDC_SENSE*  
Pin Configurations appear at end of data sheet.  
**MAX11044/MAX11045/MAX11046  
MAX11046/MAX11056  
†
*CONNECTED INTERNALLY TO RDC ON THE TQFN PARTS  
________________________________________________________________ Maxim Integrated Products  
1
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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