MAX1305:8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V, and 0 to +5V Analog Input Ranges

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 simultaneous 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 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 LQFP package and operates over the extended -40°C to +85°C temperature range.

Key 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, fIN = 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)
MAX1304, MAX1305, MAX1306, MAX1308, MAX1309, MAX1310, MAX1312, MAX1313, MAX1314: Functional Diagram
MAX1304, MAX1305, MAX1306, MAX1308, MAX1309, MAX1310, MAX1312, MAX1313, MAX1314: Functional Diagram
Applications/Uses
  • Multiphase Motor Control
  • Multiphase Power Monitoring
  • Power-Factor Monitoring
  • Power-Grid Synchronization
  • SIN/COS Position Encoder
  • Vibration and Waveform Analysis
DataSheet
titleDownload file
MAX1304-MAX1314 Data SheetMAX1304-MAX1314.pdf
Parametrics
Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputInternal VREF
(V)
External VREF
(V)
External VREF
(V)
Unipolar VIN
(V)
Bipolar VIN
(±V)
SNR
(dB)
THD
(dB)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxnominalminmaxmaxmaxSee Notes
MAX13051241075SARµP/12S.E. Only2.5235-71-860.5LQFP/48$8.45 @1k
MAX130625-LQFP/48$5.94 @1k
MAX13094-5LQFP/48$12.06 @500
MAX13102-5LQFP/48$8.27 @1k
MAX13128-10LQFP/48$14.31 @1k
MAX13134-10LQFP/48$11.20 @1k
MAX13142-10LQFP/48$8.27 @1k
MAX130485-LQFP/48$11.71 @1k
MAX13088-5LQFP/48$14.48 @1k
Design kits & evaluation modules
Quality and Environmental Data
Related Products
  • MAX116:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs
  • MAX115:2x4-Channel, Simultaneous-Sampling 12-Bit ADCs
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX1305ECMNo Longer AvailableMAX1305ECM+LQFP;48 pin-40°C to +85°CSee data sheet
MAX1305ECM+ActiveLQFP,;48 pin;LQFP;-40°C to +85°CLead Free
MAX1305ECM+TActiveMAX1305ECM+LQFP,;48 pin;LQFP;-40°C to +85°CLead Free
MAX1305ECM-TNo Longer AvailableMAX1305ECM+LQFP;48 pin-40°C to +85°CSee data sheet
MAX1304-MAX1314.pdf MAX1314
MAX1304-MAX1314_cn.pdf MAX1314
MAX1305.pdf MAX1305