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Maxim Integrated Products - (MAX13xx) Simultaneous-Sampling ADCs

Numéro de référence MAX1325
Description (MAX13xx) Simultaneous-Sampling ADCs
Fabricant Maxim Integrated Products 
Logo Maxim Integrated Products 





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MAX1325 fiche technique
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19-3157; Rev 2; 8/04
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
General Description
The MAX1316–MAX1318/MAX1320–MAX1322/MAX1324–
MAX1326 14-bit, analog-to-digital converters (ADCs) offer
two, four, or eight independent input channels.
Independent track/hold (T/H) circuitry provides simultane-
ous sampling for each channel. The MAX1316/
MAX1317/MAX1318 have a 0 to +5V input range with
±6.0V fault-tolerant inputs. The MAX1320/MAX1321/
MAX1322 have a ±5V input range with ±16.5V fault-toler-
ant inputs. The MAX1324/MAX1325/MAX1326 have a
±10V input range with ±16.5V fault-tolerant inputs. These
ADCs convert two channels in 2µs, and up to eight chan-
nels in 3.8µs, and have an 8-channel throughput of
250ksps per channel. Other features include a 10MHz
T/H input bandwidth, internal clock, internal (+2.5V) or
external (+2.0V to +3.0V) reference, and power-
saving modes.
A 16.6MHz, 14-bit, bidirectional, parallel interface pro-
vides the conversion results and accepts digital config-
uration inputs.
These devices operate from a +4.75V to +5.25V analog
supply and a separate +2.7V to +5.25V digital supply,
and consume less than 50mA total supply current.
These devices come in a 48-pin TQFP package and oper-
ate over the extended -40°C to +85°C temperature range.
Applications
Multiphase Motor Control
Power-Grid Synchronization
Power-Factor Monitoring and Correction
Vibration and Waveform Analysis
Selector Guide
PART
MAX1316ECM
MAX1317ECM
MAX1318ECM
MAX1320ECM
MAX1321ECM
MAX1322ECM
MAX1324ECM
MAX1325ECM
MAX1326ECM
INPUT RANGE (V)
0 to +5
0 to +5
0 to +5
±5
±5
±5
±10
±10
±10
CHANNEL COUNT
8
4
2
8
4
2
8
4
2
Pin Configurations and Typical Operating Circuits appear at
end of data sheet.
Features
8-/4-/2-Channel, 14-Bit ADCs
±1.5 LSB INL, ±1 LSB DNL, No Missing Codes
90dBc SFDR, -86dBc THD, 76.5dB SINAD, 77dB
SNR at 100kHz Input
On-Chip T/H Circuit for Each Channel
10ns Aperture Delay
50ps Channel-to-Channel T/H Matching
Fast Conversion Time
One Channel in 1.6µs
Two Channels in 1.9µs
Four Channels in 2.5µs
Eight Channels in 3.7µs
High Throughput
526ksps/ch for One Channel
455ksps/ch for Two Channels
357ksps/ch for Four Channels
250ksps/ch for Eight Channels
Flexible Input Ranges
0 to +5V (MAX1316/MAX1317/MAX1318)
±5V (MAX1320/MAX1321/MAX1322)
±10V (MAX1324/MAX1325/MAX1326)
No Calibration Needed
14-Bit, High-Speed, Parallel Interface
Internal or External Clock
+2.5V Internal Reference or +2.0V to +3.0V
External Reference
+5V Analog Supply, +3V to +5V Digital Supply
46mA Analog Supply Current (typ)
1.6mA Digital Supply Current (max)
Shutdown and Power-Saving Modes
48-Pin TQFP Package (7mm 7mm Footprint)
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX1316ECM
-40°C to +85°C 48 TQFP
MAX1317ECM
-40°C to +85°C 48 TQFP
MAX1318ECM
-40°C to +85°C 48 TQFP
MAX1320ECM
-40°C to +85°C 48 TQFP
MAX1321ECM
-40°C to +85°C 48 TQFP
MAX1322ECM
-40°C to +85°C 48 TQFP
MAX1324ECM
-40°C to +85°C 48 TQFP
MAX1325ECM
-40°C to +85°C 48 TQFP
MAX1326ECM
-40°C to +85°C 48 TQFP
*Future product—contact factory for availability.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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