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MAX11047 fiches techniques PDF

Maxim Integrated Products - 4-/6-/8-Channel 16-Bit Simultaneous-Sampling ADCs

Numéro de référence MAX11047
Description 4-/6-/8-Channel 16-Bit Simultaneous-Sampling ADCs
Fabricant Maxim Integrated Products 
Logo Maxim Integrated Products 





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MAX11047 fiche technique
19-5106; Rev 0; 12/09
EVAALVUAAILTAIOBNLEKIT
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4-/6-/8-Channel, 16-Bit,
Simultaneous-Sampling ADCs
General Description
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.
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.
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.
Applications
Automatic Test Equipment
Power-Factor Monitoring and Correction
Power-Grid Protection
Multiphase Motor Control
Vibration and Waveform Analysis
Functional Diagram
AVDD
CH0
CLAMP S/H 16-BIT ADC
CH7
CLAMP S/H 16-BIT ADC
AGNDS
AGND
MAX11047
MAX11048
MAX11049
REFIO
BANDGAP
REFERENCE
INT REF
EXT REF
REF
BUF
DVDD
DB15
DB4
DB3
DB0
CONFIGURATION
REGISTERS
INTERFACE
AND
CONTROL
WR
RD
CS
CONVST
SHDN
EOC
RDC
DGND
Features
o 4-/6-/8-Channel 16-Bit ADC
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 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
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
PART
PIN-PACKAGE
CHANNELS
MAX11047ETN+
56 TQFN-EP*
4
MAX11048ETN+
56 TQFN-EP*
6
MAX11049ETN+
56 TQFN-EP*
8
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.
Pin Configuration
TOP VIEW
42 41 40 39 38 37 36 35 34 33 32 31 30 29
RDC 43
AGNDS 44
CH7 45
AGND 46
AVDD 47
AGNDS 48
RDC 49
DGND 50
DVDD 51
WR 52
CS 53
MAX11047
MAX11048
MAX11049
28 RDC
27 AGNDS
26 CH0
25 AGND
24 AVDD
23 AGNDS
22 RDC
21 DGND
20 DVDD
19 SHDN
18 CONVST
RD 54
DB15 55
DB14 56
+
17 EOC
*EP 16 DB0
15 DB1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
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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