Amplifier and Data Converter Selection Guide (Rev. B

82Voltage References➔ Voltage References3ppm/°C Drift, 0.05% Accurate, Low-Noise, Precision Series Voltage ReferencesREF50xxGet samples, datasheets and evaluation modules at: www.ti.com/sc/device/REF5020Key Features• High accuracy: 0.05%• Low temperature drift: 3ppm/°C (max)• Very low noise: 6µVpp• High output current: ±10mA• Wide supply range: 2.5V to 18V• Industrial temperature range:–40°C to +125°C• Packaging: SO-8 and MSOPApplications• Test and measurement• 16-bit data acquisition systems• Medical and patient monitoring• Industrial process controlThe REF50xx brings a new level of precision to the TI voltage reference line. Offering very lownoise, 3ppm/°C (max) drift and 0.05% initial accuracy, the REF50xx is designed for industrial,medical and test applications that require performance over temperature.GNDs1V IN 2Temp 3ModelVoltage OutREF5020 2.048VREF5025 2.5VREF5030 3.0VREF5040 4.096VREF5045 4.5VREF50505VMSOP8 NC7 V OUTs6 V OUTfNCV INTemp123SO-8876NCNCV OUTGNDf45 TRIMGND45TRIMVoltage References Selection GuideREF50xx package diagrams. *Expected release date, 3Q 2007.Long-Term NoiseInitial Drift Stability 0.1 to 10Hz I Q Temperature OutputAccuracy (ppm/°C) (ppm/1000hr) (µVp-p) (mA) Range CurrentDevice Description Output (V) (%) (max) (max) (typ) (typ) (max) (°C) (mA) Package(s) Price *REF50xx High Accuracy Bandgap 2.048, 2.5, 3.0, 4.096, 0.05 3 — 6 to 30 1 –40 to +125 ±10 MSOP-8, SOIC-8 $3.95Reference 4.5, 5REF33xx microPower, Bandgap 1.25, 2.048, 2.5 0.1 30 24 35 to 80 0.005 –40 to +125 ±5 SC-70 $0.953.0, 3.3, 4.096REF32xx Low Drift, Bandgap 1.25, 2.048, 2.5 0.2 7 24 17 to 53 0.1 0 to +125 ±10 SOT23-6 $1.703.0, 3.3, 4.096REF31xx Bandgap 1.25, 2.048, 2.5 0.2 15 24 15 to 30 0.1 –40 to +125 ±10 SOT23-3 $1.103.0, 3.3, 4.096REF30xx Bandgap 1.25, 2.048, 2.5, 0.2 50 24 20 to 45 0.05 –40 to +125 25 SOT23-3 $0.593.0, 3.3, 4.096REF29xx Bandgap 1.25, 2.048, 2.5, 2 100 24 20 to 45 0.05 –40 to +125 25 SOT23-3 $0.493.0, 3.3, 4.096REF02A Low Drift, Buried Zener 5 0.19 15 50 4 1.4 –25 to +85 +21, –0.5 SOIC-8 $1.65REF02B Low Drift, Buried Zener 5 0.13 10 50 4 1.4 –25 to +85 +21, –0.5 SOIC-8 $2.27REF102A Low Drift, Buried Zener 10 0.1 10 20 5 1.4 –25 to +85 +10, –5 SOIC-8 $1.65REF102B Low Drift, Buried Zener 10 0.05 5 20 5 1.4 –25 to +85 +10, –5 SOIC-8 $4.15REF102C Ultra-Low Drift, 10 0.025 2.5 20 5 1.4 –25 to +85 +10, –5 SOIC-8 $4.85Buried ZenerShuntREF1112 µPower, 1.25V Shunt 1.25 0.2 30 60 25 0.0015 –40 to +125 1A to 5mA SOT-23 $0.85Current ReferenceREF200 Dual Current Reference 100µA/Channel ±1µA 25 (typ) — 1µAp-p — –25 to +85 50µA to PDIP-8, SOIC-8 $2.60with Current Mirror 400µA* Suggested resale price in U.S. dollars in quantities of 1,000. New products are listed in bold red. Preview products are listed in bold blue.Amplifier and Data Converter Selection Guide Texas Instruments 3Q 2007