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MAX11056

更新时间: 2024-09-18 14:57:19
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描述
4/6/8通道、16/14位、同时采样ADC

MAX11056 数据手册

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EVALUATION KIT AVAILABLE  
MAX11044/MAX11044B/MAX11045/  
MAX11045B/MAX11046/MAX11046B/  
MAX11054/MAX11055/MAX11056  
4-/6-/8-Channel, 16-/14-Bit,  
Simultaneous-Sampling ADCs  
General Description  
Features  
The MAX11044/MAX11044B/MAX11045/MAX11045B/  
MAX11046/MAX11046B 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 provide simultaneous sampling  
at 250ksps for each channel.  
o 16-Bit ADC (MAX11044/MAX11044B/MAX11045/  
MAX11045B/MAX11046/MAX11046B) and  
14-Bit ADC (MAX11054/MAX11055/MAX11056)  
8-Channel ADC (MAX11046/MAX11046B/MAX11056)  
6-Channel ADC (MAX11045/MAX11045B/MAX11055)  
4-Channel ADC (MAX11044/MAX11044B/MAX11054)  
The MAX11044/MAX11044B/MAX11045/MAX11045B/  
MAX11046/MAX11046B and MAX11054/MAX11055/  
MAX11056 accept a 5ꢀ input. All inputs are overrange pro-  
tected with internal 20mA input clamps providing over-  
range 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/MAX11044B/MAX11045/MAX11045B/  
MAX11046/MAX11046B 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/  
MAX11044B/MAX11045/MAX11045B/MAX11046/  
MAX11046B are available in a 56-pin TQFN and 64-pin  
TQFP packages 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  
o Evaluation Kit Available  
Multiphase Motor Control  
ꢀibration and Waveform Analysis  
Functional Diagram  
AVDD  
CH0  
DVDD  
Ordering Information  
DB15**  
16-/14-BIT ADC  
16-/14-BIT ADC  
CLAMP  
CLAMP  
S/H  
S/H  
PART  
PIN-PACKAGE  
56 TQFN-EP*  
64 TQFP-EP*  
56 TQFN-EP*  
64 TQFP-EP*  
56 TQFN-EP*  
64 TQFP-EP*  
56 TQFN-EP*  
64 TQFP-EP*  
CHANNELS  
MAX11044ETN+  
MAX11044ECB+  
MAX11044BETN+  
MAX11044BECB+  
MAX11045ETN+  
MAX11045ECB+  
MAX11045BETN+  
MAX11045BECB+  
4
4
4
4
6
6
6
6
DB4  
DB3/CR3  
DB0/CR0  
CH7  
CONFIGURATION  
REGISTERS  
WR  
AGNDS  
AGND  
RD  
CS  
INTERFACE  
AND  
CONTROL  
CONVST  
SHDN  
EOC  
MAX11044/MAX11044B/  
MAX11045/MAX11045B/  
MAX11046/MAX11046B  
MAX11054/MAX11055/MAX11056  
DGND  
RDC  
Ordering Information continued at end of data sheet.  
INT REF  
10kΩ  
BANDGAP  
REFERENCE  
REF  
BUF  
Note: All devices are specified over the -40°C to +85°C operating  
temperature range.  
EXT REF  
REFIO  
RDC_SENSE*  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
**MAX11044/MAX11045/MAX11046  
MAX11046/MAX11056  
*CONNECTED INTERNALLY TO RDC ON THE TQFN PARTS  
Pin Configurations appear at end of data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-5036; Rev 6; 5/13  

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