Rainbow Electronics MAX1314 - Manual

19-3052; Rev 3; 8/04
General Description
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-tol-
erant 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 pro-
vides the conversion results and accepts digital inputs
that activate each channel individually.
All devices operate from a +4.75V to +5.25V analog supply
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 TQFP
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
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 TQFP Package (7mm x 7mm Footprint)
MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314
8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
________________________________________________________________ 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.
Ordering Information
Pin Configurations appear at end of data sheet.
PART TEMP RANGE PIN-PACKAGE
MAX1304 ECM -40
°
C to +85
°
C 48 TQFP
MAX1305 ECM -40
°
C to +85
°
C 48 TQFP
MAX1306 ECM -40 ° C to +85 ° C 48 TQFP
MAX1308 ECM -40
°
C to +85
°
C 48 TQFP
MAX1309 ECM -40
°
C to +85
°
C 48 TQFP
MAX1310 ECM -40
°
C to +85
°
C 48 TQFP
MAX1312 ECM -40
°
C to +85
°
C 48 TQFP
MAX1313 ECM -40
°
C to +85
°
C 48 TQFP
MAX1314 ECM -40
°
C to +85
°
C 48 TQFP
Selector Guide
PART INPUT RANGE (V) CHANNEL COUNT
MAX1304ECM 0 to +5 8
MAX1305ECM 0 to +5 4
MAX1306ECM 0 to +5 2
MAX1308ECM ±5 8
MAX1309ECM ±5 4
MAX1310ECM ±5 2
MAX1312ECM ±10 8
MAX1313ECM ±10 4
MAX1314ECM ±10 2