5V Micropower Voltage Reference

www.DataSheet4U.com SPX385-5.0 5V Micropower Voltage Reference FEATURES ■ Trimmed Bandgap .......................................... 1% ■ Wide Operating Current ............... 50µA to 20mA ■ Extended Temperature Range ... -40°C to +85°C ■ Dynamic Impedance .............................. 1Ω max ■ Offered in Small SOT-23, TO-92, NSOIC, and SOT-89 ■ Low Cost Solution APPLICATIONS ■ Battery Operated Equipment ■ Adjustable Supplies ■ Switching Power Supplies ■ Error Amplifiers ■ Single Supply Amplifier N/C SPX385 3 Pin SOT-23 Cathode Anode NC 1 NC 2 NC 3 Anode 4 8 Cathode SPX385 8 Pin nSOIC 7 NC 6 NC 5 NC Now Available in Lead Free Packaging ■ Monitors / VCR / TV ■ Personal Computers ■ Power use meter DESCRIPTION The SPX385-5.0 is a micropower 2-terminal band-gap voltage reference with a very wide operating current range from 50µA to 20mA that provides a stable voltage. The SPX385-5.0 is available in SOT-23, TO-92, NSOIC, and SOT-89 packages with an operating temperature range of -40°C to 85°C. A 1.2 and 2.5 volt device are also available SPX385-1.2, SPX385-2.5. BLOCK DIAGRAM Cathode (K) 1.5M + 500k 1.25V Anode (A) Figure 1: Block Diagram Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Reverse Current (IKA) ............................................................. 30mA Forward Current (IAK) ............................................................. 10mA Operating Temperature Range (TA) ............................ -40 to +85°C Junction Temperature (TJ) ..................................................... 150°C Storage Temperature (TSTG) ....................................... - 65 to 150°C Lead Temperature (Soldering 10 sec.), TL ............................. 300°C IIN = 100µA, TA = 25°C, unless otherwise specified. The ♦ denotes the specifications which apply over the full operating temperature range. ELECTRICAL CHARACTERISTICS PARAMETER Reference Voltage Dynamic Output Impedance Reference Voltage Change with IR. Temperature Coefficient Minimum Operating Current Output Wideband Noise Long Term Stability Operating Temperature MIN. 4.90 4.95 TYP. 5.00 5.00 0.6 10 30 MAX 5.10 5.05 1.0 20 50 50 ♦ UNIT V Ω mV ppm/°C µA µVrms ppm °C CONDITIONS 2% 1% F = 20Hz IR = 100µA 20µA ≤ IR ≤ 20mA Note 1 ♦ ♦ ♦ ♦ ♦ ♦ ♦ 30 120 60 -40 10Hz ≤ f ≤ 10kHz T=1000Hr; TA = 25°C ±0.1°C +85 Note 1. Three-point measurement guarantees the error band over the specified temperature range. *CALCULATING AVERAGE TEMPERATURE COEFFICIENT (TC) ppm 0 % 0 mV 0 ∆VKA TC in mV/°C = ∆T ∆VKA (mV) ∆TA -10 5000 0.5 TC in % /°C = ( ∆VKA ∆VKA at 25°C ∆TA ) x 100 0 15 30 45 60 75 90 105 TC in ppm/°C = ( ∆VKA ∆VKA at 25°C ∆TA ) x 106 Junction Temperature (°C) 0.07 mV/°C 0.003 %/°C 27 ppm/°C Figure 2. VKA vs. Temperature Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 2 TYPICAL PERFORMANCE CHARACTERISTICS VIN VKA 9V 200k IK 5.0V SPX385-5.0 Figure 1. Improving Regulation of Adjustable Regulators * IOUT = 2.5V R2 30V SPX385-5.0 Figure 2. Micropower Reference from 9V Battery IQ VIN = 15V 500k R1 68k C1 150pF 2 – 7 6 7 + 3 LM4250C 8 2 4 6 10V LM312 3 22M 150pF 500k + 4 SPX385-5.0 500k IOUT* 1.5V to 27V R2 IQ ≅ 30µA Standby Current Figure 3. Precision 1µA to 1mA Current Source Figure 4: Precision Micropower 10V Reference Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 3 PACKAGE: 3 PIN SOT-23 D b 3 SIDE VIEW E1 E A A2 Seating Plane A1 1 2 (L1) e e1 TOP VIEW FRONT VIEW Gauge Plane L2 ø L Seating Plane c 3 Pin SOT-23 SYMBOL JEDEC TO-236 Variation AB Dimensions in Inches Conversion Factor: 1 Inch = 25.40 mm MIN 0.012 0.003 0.110 0.083 0.047 NOM 0.114 0.051 0.038 BSC 0.075 BSC 0.020 0.021 REF 0.010 BSC 0.037 MAX 0.020 0.008 0.120 0.104 0.055 Dimensions in Millimeters: Controlling Dimension MIN 0.30 0.08 2.80 2.10 1.20 NOM MAX 0.50 0.20 2.90 3.04 2.64 1.30 1.40 0.95 BSC 1.90 BSC 0.50 0.60 0.54 REF 0.25 BSC 8º 1.12 0.10 0.95 1.02 Signoff Date/Rev: b c D E E1 e e1 L L1 L2 Ø A A1 A2 0.40 0.016 0.024 0º 0.89 0.01 0.88 SIPEX Pkg 0º 0.035 0.000 0.035 8º 0.044 0.004 0.040 JL Oct25-05 / Rev A Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 4 PACKAGE: 8 PIN -SOIC D D/2 SIDE VIEW 8 7 6 5 E1/2 E1 E/2 E A A1 A2 Seating Plane 1 2 3 4 (L1) Pin1 Designator to be within this INDEX AREA (D/2 x E1/2) e TOP VIEW b FRONT VIEW h Gauge Plane L2 ø L h ø1 ø2 R1 R Seating Plane ø1 c 8 Pin NSOIC SYMBOL JEDEC MS-012 Variation AA Dimensions in Inches Conversion Factor: 1 Inch = 25.40 mm Dimensions in Millimeters: Controlling Dimension MIN NOM 6.00 BSC 3.90 BSC 1.27 BSC MAX 1.75 0.25 1.65 0.51 0.25 MIN 0.053 0.004 0.049 0.012 0.007 NOM MAX A A1 A2 b c E E1 e h L L1 L2 R R1 ø ø1 ø2 D 1.35 0.10 1.25 0.31 0.17 1.04 REF 0.25 BSC 0.07 0.07 0º 5º 0º 4.90 BSC SIPEX Pkg Signoff Date/Rev: 0.25 0.40 0.50 1.27 0.010 0.016 8º 15º - 0.003 0.003 0º 5º 0º 0.069 0.010 0.065 0.020 0.010 0.236 BSC 0.154 BSC 0.050 BSC 0.020 0.050 0.041 REF 0.010 BSC 8º 15º 0.193 BSC JL Aug16-05 / Rev A Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 5 PACKAGE: 3 PIN TO-92 L e e1 W D A b S1 R E a(2x) 3 Pin SYMBOL Dimensions in Inches: Controlling Dimension MIN 0.170 0.014 0.130 0.095 0.045 0.500 0.085 0.045 0.016 0.175 4º NOM - TO-92 Dimensions in Millimeters Conversion Factor: 1 Inch = 25.40 mm MIN 4.32 0.36 3.30 2.41 1.14 12.70 2.16 1.14 0.41 4.45 4º NOM MAX 4.95 0.51 3.94 2.67 1.40 15.49 2.41 1.52 0.56 4.95 6º A b E e e1 L R S1 W D α MAX 0.195 0.020 0.155 0.105 0.055 0.610 0.095 0.060 0.022 0.195 6º SIPEX Pkg Signoff Date/Rev: JL Sept23-05 / RevA Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 6 PACKAGE: 3 PIN SOT-89 D D1 A fl1.0 E H E1 L e 5º(2x) e1 8º(2x) C R0.15 b1 b b1 3 Pin SOT-89 SYMBOL JEDEC TO-243 Variation AA Dimensions in Inches Conversion Factor: 1 Inch = 25.40 mm Dimensions in Millimeters: Controlling Dimension MIN NOM BSC BSC MAX 1.60 0.56 0.48 0.44 4.60 1.83 2.60 2.29 A B B1 C D D1 E E1 e e1 H L 1.40 0.44 0.36 0.35 4.40 1.62 2.29 2.13 1.50 3.00 3.94 0.89 4.25 1.20 MIN NOM MAX 0.055 0.063 0.017 0.022 0.014 0.019 0.014 0.017 0.173 0.181 0.064 0.072 0.090 0.102 0.084 0.090 0.059 BSC 0.118 BSC 0.155 0.167 0.035 0.047 JL Feb2-06/ RevA SIPEX Pkg Signoff Date/Rev: Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 7 ORDERING INFORMATION Part Number SPX385AM-5-0 SPX385AM-5-0/TR SPX385AM1-5-0 SPX385AM1-5-0/TR SPX385AN-5-0 SPX385AN-5-0/TR SPX385AS-5-0 SPX385AS-5-0/TR SPX385BM-5-0 SPX385BM-5-0/TR SPX385BM1-5-0 SPX385BM1-5-0/TR SPX385BN-5-0 SPX385BN-5-0/TR SPX385BS-5-0 SPX385BS-5-0/TR SPX385M-5-0 SPX385M-5-0/TR SPX385N-5-0 SPX385N-5-0/TR SPX385S-5-0 SPX385S-5-0/TR Accuracy 1.0% 1.0% 1.0% 1.0% 1.0% 1.0% 1.0% 1.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% 2.0% Output Voltage 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V 5.0V Package Type 3 Pin SOT-23 3 Pin SOT-23 3 Pin SOT-89 3 Pin SOT-89 3 Pin TO-92 3 Pin TO-92 8 Pin NSOIC 8 Pin NSOIC 3 Pin SOT-23 3 Pin SOT-23 3 Pin SOT-89 3 Pin SOT-89 3 Pin TO-92 3 Pin TO-92 8 Pin NSOIC 8 Pin NSOIC 3 Pin SOT-23 3 Pin SOT-23 3 Pin TO-92 3 Pin TO-92 8 Pin NSOIC 8 Pin NSOIC Available in lead free packaging. To order add “-L” suffix to part number. Example: SPX385BS-5-0/TR = standard; SPX385BS-L-5-0/TR = lead free /TR = Tape and Reel Pack quantity is 2,000 for TO-92 and 2,500 NSOIC, SOT-23, SOT-89. Sipex Corporation ANALOG EXCELLENCE Headquarters and Sales Office: 233 Hillview Dr Milpitas, CA 95035 TEL: (408) 934-7500 FAX: (408) 935-7600 Sipex Corporation Sipex Corporation reserves the right to make changes to any products described herein. Sipex does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. Date: 2/11/06 SPX385-5.0 Micropower Voltage Reference © Copyright 2005 Sipex Corporation 8