元器件交易网
19-3052; Rev 3; 8/04
8-/4-/2-Channel,with ±10V, ±5V12-Bit,, and 0 to +5V Analog Input Ranges
Simultaneous-Sampling ADCsGeneral Description
The MAX1304–MAX1306/MAX1308–MAX1310/MAX1312– Up to Eight Channels of Simultaneous Sampling
MAX1314 12-bit, analog-to-digital converters (ADCs) offereight, four, or two independent input channels.8ns Aperture Delay
Independent track-and-hold (T/H) circuitry provides simul-100ps Channel-to-Channel T/H Matchtaneous sampling for each channel. The MAX1304/ Extended Input Ranges
MAX1305/MAX1306 provide a 0 to +5V input range with0 to +5V (MAX1304/MAX1305/MAX1306)±6V fault-tolerant inputs. The MAX1308/MAX1309/-5V to +5V (MAX1308/MAX1309/MAX1310)MAX1310 provide a ±5V input range with ±16.5V fault-tol--10V to +10V (MAX1312/MAX1313/MAX1314)erant inputs. The MAX1312/MAX1313/MAX1314 have a Fast Conversion Time
±10V input range with ±16.5V fault-tolerant inputs. TheseADCs convert two channels in 0.9µs, and up to eightOne Channel in 0.72µschannels in 1.98µs, with an 8-channel throughput ofTwo Channels in 0.9µs456ksps per channel. Other features include a 20MHz T/HFour Channels in 1.26µsinput bandwidth, internal clock, internal (+2.5V) or externalEight Channels in 1.98µs
(+2.0V to +3.0V) reference, and power-saving modes. High Throughput
A 20MHz, 12-bit, bidirectional parallel data bus pro-1075ksps/Channel for One Channelvides the conversion results and accepts digital inputs901ksps/Channel for Two Channelsthat activate each channel individually.
680ksps/Channel for Four ChannelsAll devices operate from a +4.75V to +5.25V analog supply456ksps/Channel for Eight Channelsand a +2.7V to +5.25V digital supply and consume 57mA ±1 LSB INL, ±0.9 LSB DNL (max)total supply current when fully operational.
84dBc SFDR, -86dBc THD, 71dBSINAD, Each device is available in a 48-pin 7mm x 7mm TQFPfIN= 500kHz at 0.4dBFSpackage and operates over the extended -40°C to+85°C temperature range.
12-Bit, 20MHz, Parallel Interface Internal or External Clock
Applications
+2.5V Internal Reference or +2.0V to +3.0VSIN/COS Position EncoderExternal ReferenceMultiphase Motor Control +5V Analog Supply, +3V to +5V Digital Supply
Multiphase Power Monitoring55mA Analog Supply CurrentPower-Grid Synchronization1.3mA Digital Supply Current
Shutdown and Power-Saving ModesPower-Factor Monitoring 48-Pin TQFP Package (7mm x 7mm Footprint)
Vibration and Waveform Analysis
________________________________________________________________Maxim Integrated Products
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For pricing delivery, and ordering informationplease contact Maxim/Dallas Direct!at 1-888-629-4642, or visit Maxim’s website at .
MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314
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