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MAX11048

更新时间： 2024-09-17 05:48:59
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美信 - MAXIM /
页数 文件大小 规格书
18页 3410K
描述
4-/6-/8-Channel, 16-Bit, Simultaneous-Sampling ADCs

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MAX11048 数据手册

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19-5106; Rev 0; 12/09  
4-/6-/8-Channel, 16-Bit,  
Simultaneous-Sampling ADCs  
78/MAX1049  
General Description  
Features  
o 4-/6-/8-Channel 16-Bit ADC  
The MAX11047/MAX11048/MAX11049 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.  
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  
The MAX11047/MAX11048/MAX11049 accept a 0 to  
+5V input. All inputs are overrange protected with inter-  
nal 20mA input clamps providing overrange protec-  
tion 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.  
o High Throughput: 250ksps for All 8 Channels  
o 16-Bit, High-Speed, Parallel Interface  
o Internal Clocked Conversions  
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 0 to 5V  
The MAX11047/MAX11048/MAX11049 operate with a  
4.75V to 5.25V analog supply and a separate flexible 2.7V  
to 5.25V digital supply for interfacing with the host without a  
level shifter. The MAX11047/MAX11048/MAX11049  
are available in a 56-pin TQFN package and operate over  
the extended -40°C to +85°C temperature range.  
o External Reference Range of 3.0V to 4.25V,  
Allowing Full-Scale Input Ranges of +3.7V to  
+5.2V  
o 56-Pin TQFN Package (8mm x 8mm)  
o Evaluation Kit Available  
Ordering Information  
Applications  
Automatic Test Equipment  
PART  
PIN-PACKAGE  
56 TQFN-EP*  
56 TQFN-EP*  
56 TQFN-EP*  
CHANNELS  
MAX11047ETN+  
MAX11048ETN+  
MAX11049ETN+  
4
6
8
Power-Factor Monitoring and Correction  
Power-Grid Protection  
Multiphase Motor Control  
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.  
Vibration and Waveform Analysis  
Functional Diagram  
Pin Configuration  
AVDD  
CH0  
TOP VIEW  
DVDD  
DB15  
42 41 40 39 38 37 36 35 34 33 32 31 30 29  
16-BIT ADC  
16-BIT ADC  
S/H  
S/H  
CLAMP  
CLAMP  
28  
27  
26  
25  
24  
23  
22  
21  
RDC  
RDC  
43  
44  
AGNDS  
AGNDS  
CH0  
DB4  
DB3  
CH7 45  
AGND 46  
AVDD 47  
AGNDS 48  
RDC 49  
DGND 50  
DVDD 51  
WR 52  
AGND  
AVDD  
AGNDS  
RDC  
DB0  
CH7  
AGNDS  
AGND  
MAX11047  
MAX11048  
MAX11049  
DGND  
CONFIGURATION  
REGISTERS  
WR  
20 DVDD  
19  
RD  
MAX11047  
MAX11048  
MAX11049  
SHDN  
18 CONVST  
17  
CS  
INTERFACE  
AND  
CONTROL  
CS 53  
CONVST  
SHDN  
EOC  
RD 54  
EOC  
*EP  
DB15 55  
DB14 56  
16 DB0  
15 DB1  
+
INT REF  
RDC  
BANDGAP  
REFERENCE  
REF  
BUF  
1
2
3
4
5
6
7
8
9
10 11 12 13 14  
DGND  
EXT REF  
REFIO  
TQFN  
____________________________ 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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