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MAX1305

Description
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges
File Size3MB,37 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet View All

MAX1305 Overview

8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with 【10V, 【5V, and 0 to +5V Analog Input Ranges

EVALUATION KIT AVAILABLE
MAX1304–MAX1306
MAX1308–MAX1310
MAX1312–MAX1314
General Description
8-/4-/2-Channel, 12-Bit, Simultaneous-
Sampling ADCs with ±10V, ±5V, and 0 to +5V
Analog Input Ranges
Features
Up to Eight Channels of Simultaneous Sampling
• 8ns Aperture Delay
• 100ps Channel-to-Channel T/H Match
Extended Input Ranges
• 0 to +5V (MAX1304/MAX1305/MAX1306)
• -5V to +5V (MAX1308/MAX1309/MAX1310)
• -10V to +10V (MAX1312/MAX1313/MAX1314)
Fast Conversion Time
• One Channel in 0.72μs
• Two Channels in 0.9μs
• Four Channels in 1.26μs
• Eight Channels in 1.98μs
High Throughput
• 1075ksps/Channel for One Channel
• 901ksps/Channel for Two Channels
• 680ksps/Channel for Four Channels
• 456ksps/Channel for Eight Channels
±1 LSB INL, ±0.9 LSB DNL (max)
84dBc SFDR, -86dBc THD, 71dB SINAD,
f
IN
= 500kHz at 0.4dBFS
12-Bit, 20MHz, 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
• 55mA Analog Supply Current
• 1.3mA Digital Supply Current
• Shutdown and Power-Saving Modes
48-Pin LQFP Package (7mm x 7mm Footprint)
The MAX1304–MAX1306/MAX1308–MAX1310/MAX1312
–MAX1314 12-bit, analog-to-digital converters (ADCs)
offer eight, four, or two independent input channels.
Independent track-and-hold (T/H) circuitry provides simul-
taneous sampling for each channel. The MAX1304/
MAX1305/MAX1306 provide a 0 to +5V input range
with ±6V fault-tolerant inputs. The MAX1308/MAX1309/
MAX1310 provide a ±5V input range with ±16.5V fault-
tolerant inputs. The MAX1312/MAX1313/MAX1314 have
a ±10V input range with ±16.5V fault-tolerant inputs.
These ADCs convert two channels in 0.9μs, and up to
eight channels in 1.98μs, with an 8-channel throughput of
456ksps per channel. Other features include a 20MHz T/H
input bandwidth, internal clock, internal (+2.5V) or external
(+2.0V to +3.0V) reference, and power-saving modes.
A 20MHz, 12-bit, bidirectional parallel data bus provides
the conversion results and accepts digital inputs that acti-
vate each channel individually.
All devices operate from a +4.75V to +5.25V analog sup-
ply and a +2.7V to +5.25V digital supply and consume
57mA total supply current when fully operational.
Each device is available in a 48-pin 7mm x 7mm LQFP
package and operates over the extended -40°C to +85°C
temperature range.
Applications
SIN/COS Position Encoder
Multiphase Motor Control
Multiphase Power Monitoring
Power-Grid Synchronization
Power-Factor Monitoring
Vibration and Waveform Analysis
PART
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
Ordering Information
PART
MAX1304ECM+
MAX1305ECM+
MAX1306ECM+
MAX1308ECM+
MAX1309ECM+
MAX1310ECM+
MAX1312ECM+
MAX1313ECM+
MAX1314ECM+
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
48 LQFP
48 LQFP
48 LQFP
48 LQFP
48 LQFP
48 LQFP
48 LQFP
48 LQFP
48 LQFP
Selector Guide
MAX1304ECM
MAX1305ECM
MAX1306ECM
MAX1308ECM
MAX1309ECM
MAX1310ECM
MAX1312ECM
MAX1313ECM
MAX1314ECM
+Denotes lead(Pb)-free/RoHS-compliant package.
Pin Configurations appear at end of data sheet.
19-3052; Rev 6; 2/15
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