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MAX11044

更新时间： 2024-09-17 05:48:59
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
19页 1660K
描述
4-/6-/8-Channel, 16-Bit, Simultaneous-Sampling ADCs

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MAX11044 数据手册

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19-5036; Rev 0; 10/09  
4-/6-/8-Channel, 16-Bit,  
Simultaneous-Sampling ADCs  
5/MAX1046  
General Description  
Features  
The MAX11044/MAX11045/MAX11046† 16-bit ADCs  
offer 4, 6, or 8 independent input channels. Featuring  
independent track and hold (T/H) and SAR circuitry,  
these parts provide simultaneous sampling at 250ksps  
for each channel.  
♦ 4-/6-/8-Channel 16-Bit ADC  
♦ Single Analog and Digital Supply  
♦ High-Impedance Inputs Up to 1GΩ  
♦ On-Chip T/H Circuit for Each Channel  
♦ Fast 3µs Conversion Time  
The MAX11044/MAX11045/MAX11046 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, 16-bit, bidirectional,  
parallel interface provides the conversion results and  
accepts digital configuration inputs.  
♦ High Throughput: 250ksps for All 8 Channels  
♦ 16-Bit, High-Speed, Parallel Interface  
♦ Internal Clocked Conversions  
♦ 10ns Aperture Delay  
♦ 100ps Channel-to-Channel T/H Matching  
♦ Low Drift, Accurate 4.096V Internal Reference  
Providing an Input Range of 5V  
The MAX11044/MAX11045/MAX11046 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 package and operate over  
the extended -40°C to +85°C temperature range.  
♦ External Reference Range of 3.0V to 4.25V,  
Allowing Full-Scale Input Ranges of 4.0V to 5.2V  
♦ 56-Pin TQFN Package (8mm x 8mm)  
♦ Evaluation Kit Available  
Ordering Information  
Applications  
Automatic Test Equipment  
PART  
PIN-PACKAGE  
56 TQFN-EP*  
56 TQFN-EP*  
56 TQFN-EP*  
CHANNELS  
MAX11044ETN+  
MAX11045ETN+  
MAX11046ETN+  
4
6
8
Power-Factor Monitoring and Correction  
Power-Grid Protection  
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.  
Multiphase Motor Control  
ꢀibration and Waveform Analysis  
†
Patent pending.  
Pin Configuration  
Functional Diagram  
TOP VIEW  
AVDD  
CH0  
DVDD  
DB15  
42 41 40 39 38 37 36 35 34 33 32 31 30 29  
28  
27  
26  
25  
24  
23  
22  
21  
RDC  
RDC  
16-BIT ADC  
43  
44  
S/H  
S/H  
CLAMP  
CLAMP  
AGNDS  
AGNDS  
CH0  
CH7 45  
AGND 46  
AVDD 47  
AGNDS 48  
RDC 49  
DGND 50  
DVDD 51  
WR 52  
DB4  
DB3  
AGND  
AVDD  
AGNDS  
RDC  
DB0  
CH7  
AGNDs  
AGND  
16-BIT ADC  
MAX11044  
MAX11045  
MAX11046  
DGND  
CONFIGURATION  
REGISTERS  
WR  
20 DVDD  
19 SHDN  
18 CONVST  
17 EOC  
RD  
MAX11044  
MAX11045  
MAX11046  
CS  
CS 53  
INTERFACE  
AND  
CONTROL  
CONVST  
SHDN  
EOC  
RD 54  
*EP  
DB15 55  
DB14 56  
16 DB0  
+
INT REF  
15 DB1  
RDC  
BANDGAP  
REFERENCE  
REF  
BUF  
1
2
3
4
5
6
7
8
9
10 11 12 13 14  
DGND  
EXT REF  
REFIO  
TQFN  
8mm x 8mm  
________________________________________________________________ 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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