Not Recommended For New Design LX1004 1.2V & 2.5V MICROPOWER VOLTAGE REFERENCE T H E I N F I N I T E P O W E R I O F N N O V A T I O N P R O D U C T I O N D H E E T KEY FEATURES DESCRIPTION The LX1004 Micropower Voltage References are two terminal bandgap reference diodes designed and optimized for accurate low power operation in portable and other power sensitive systems. Operating currents are guaranteed from as low as 10A up to 20mA giving designers a great deal of flexibility in optimizing power consumption, noise and ultimate application performance. The LX1004 is available in fixed 1.2V and 2.5V reference values. S A T A Guaranteed 4mV Initial Process and circuit design optimization provide for high accuracy with initial tolerance values of 4mV and 20mV, respectively. Complementing their initial accuracy, the bandgap reference is temperature compensated to deliver 20ppm performance over the 0 to 70C operating temperature range. Accuracy LX1004-1.2 Guaranteed 20mV Initial Accuracy LX1004-2.5 Guaranteed 10A Operating Current Guaranteed Temperature Performance Operates Up to 20mA Very Low Dynamic Impedance The LX1004 from Linfinity is a pin for-pin replacement for the LT1004 and LM385 families of voltage references. APPLICATIONS IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com Portable Meter References Portable Test Instruments Battery Operated Systems Current Loop Instrumentation PRODUCT HIGHLIGHT MICROPOWER REFERENCE FROM 2 CELL BATTERY 2V MICROPOWER REFERENCE FROM 9V BATTERY 9V 39K TA (C) 0 to 70 200K 1.235V 2.5V LM1004-1.2 LM1004-2.5 Reference Voltage 1.2V 2.5V PACKAGE ORDER INFO Plastic SOIC Initial DM 8-Pin Tolerance RoHS Compliant / Pb-free 4mV 20mA Plastic TO-92 3-Pin LP Transition DC: 0440 RoHS Compliant / Pb-free Transition DC: 0509 LX1004CDM-1.2 LX1004CDM-2.5 LX1004CLP-1.2 LX1004CLP-2.5 Note: Available in Tape & Reel. Append the letters "TR" to the part number (i.e. LX1004CDM-2.5-TR). Copyright (c) 1996 Rev. 1.2a,2005-03-08 LINFINITY MICROELECTRONICS INC. 11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570 1 PRODUCT DATABOOK 1996/1997 LX1004 1.2V & 2.5V M I C R O P O W E R V O LTA G E R E F E R E N C E S P R O D U C T I O N A B S O L U T E M A X I M U M R AT I N G S D A T A S H E E T PACKAGE PIN OUTS (Note 1) Reverse Breakdown Current .................................................................................... 30mA Forward Current ........................................................................................................ 10mA Operating Temperature Range ....................................................................... 0C to 70C Storage Temperature Range ...................................................................... -65C to 150C Lead Temperature (soldering, 10 seconds) ............................................................. 300C Pb-free / RoHS Peak Package Solder Reflow Temp (40 second max. exposure) .............. 260C (+0, -5) Note 1. Values beyond which damage may occur. All voltages are specified with respect to ground, and all currents are positive into the specified terminal 8. 2. 7. 3. 4. DM PACKAGE (Top View) 100% Pb-free / RoHS Matte Tin Lead Finish 2. CATHODE 3. N/C DM PACKAGE: 165C/W LP PACKAGE: THERMAL RESISTANCE-JUNCTION TO AMBIENT, JA CATHODE N/C 6. CATHODE 5. N/C 1. 1. ANODE T H E R M A L D ATA THERMAL RESISTANCE-JUNCTION TO AMBIENT, JA N/C N/C N/C ANODE 165C/W LP PACKAGE (Top View) The JA numbers are guidelines for the thermal performance of the device/pc-board system. All of the above assume no ambient airflow. 2 Copyright (c) 1996 Rev. 1.2a 8/04 PRODUCT DATABOOK 1996/1997 LX1004 1.2V & 2.5V M I C R O P O W E R V O LTA G E R E F E R E N C E S P R O D U C T I O N D A T A S H E E T ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply to TA = 25C for LX1004C. Typ. number represents TA = 25C value. LX1004 - 1.2 Parameter Reverse Breakdown Voltage Average Temperature Coefficient Minimum Operating Current Reverse Breakdown Voltage Change with Current Reverse Dynamic Impedance Wide Band Noise (RMS) Long Term Stability Symbol VZ VZ Temp IMIN VZ IR rz en VZ Time Test Conditions IR = 100A, TA = 25C 0 TA 70C IMIN IR 20mA LX1004 - 1.2 Min. Typ. Max. 1.231 1.225 0 TA 70C I MIN IR 1mA, TA = 25C IMIN IR 1mA, 0 T A 70C 1mA IR 20mA, TA = 25C 1mA IR 20mA, 0 TA 70C IR = 100A, TA = 25C IR = 100A, 0 TA 70C IR = 100A; 10Hz f 10kHz IR = 100A; TA = 25C 0.1C Units 1.235 1.235 20 1.239 1.245 V V ppm/C 8 10 1 1.5 10 20 0.6 1.5 A mV mV mV mV V ppm/kHr 0.2 60 20 LX1004 - 2.5 Parameter Reverse Breakdown Voltage Average Temperature Coefficient Minimum Operating Current Reverse Breakdown Voltage Change with Current Reverse Dynamic Impedance Wide Band Noise (RMS) Long Term Stability Symbol VZ VZ Temp IMIN VZ IR rz en VZ Time Test Conditions IR = 100A, TA = 25C 0 TA 70C IMIN IR 20mA LX1004 - 2.5 Min. Typ. Max. 2.480 2.470 2.500 2.520 2.530 V V ppm/C 20 1 1.5 10 20 0.6 1.5 A mV mV mV mV V ppm/kHr 20 0 TA 70C I MIN IR 1mA, TA = 25C IMIN IR 1mA, 0 T A 70C 1mA IR 20mA, TA = 25C 1mA IR 20mA, 0 TA 70C IR = 100A, TA = 25C IR = 100A, 0 TA 70C IR = 100A; 10Hz f 10kHz IR = 100A; TA = 25C 0.1C 12 0.2 Units 120 20 GRAPH / CURVE INDEX Characteristic Curves -- LX1004-1.2V Characteristic Curves -- LX1004-2.5V FIGURE # FIGURE # 1. TEMPERATURE DRIFT 1. RESPONSE TIME 2. REVERSE CHARACTERISTICS 2. REVERSE CHARACTERISTICS 3. REVERSE VOLTAGE CHANGE 3. FORWARD CHARACTERISTICS 4. FORWARD CHARACTERISTICS 4. TEMPERATURE DRIFT 5. REVERSE DYNAMIC IMPEDANCE 5. NOISE VOLTAGE 6. NOISE VOLTAGE 6. REVERSE DYNAMIC IMPEDANCE 7. RESPONSE TIME Copyright (c) 1996 Rev. 1.2a 8/04 3 PRODUCT DATABOOK 1996/1997 LX1004 1.2V & 2.5V M I C R O P O W E R V O LTA G E R E F E R E N C E S P R O D U C T I O N D A T A S H E E T C H A R A C T E R I S T I C C U R V E S -- LX1004-1.2V FIGURE 1. -- TEMPERATURE DRIFT FIGURE 2. -- REVERSE CHARACTERISTICS 1.242 100 IR = 100A 1.24 Reverse Current - (A) Reference Voltage - (V) TA = 0 to 70C 1.238 1.236 1.234 1.232 1.23 10 1 1.228 0.1 1.226 0 10 20 30 40 50 60 0 70 0.2 0.4 FIGURE 3. -- REVERSE VOLTAGE CHANGE 1.0 1.2 1.4 FIGURE 4. -- FORWARD CHARACTERISTICS 1.2 16 TA = 25C 14 TA = 0 to 70C Forward Voltage - (V) Output Voltage Change - (mV) 0.8 Reverse Voltage - (V) Temperature - (C) 12 0.6 10 8 6 4 2 0.8 0.4 0 -2 -4 0.01 0.1 1 10 Reverse Current - (mA) 4 100 0 0.01 0.1 1 10 100 Forward Current - (mA) Copyright (c) 1996 Rev. 1.2a 8/04 PRODUCT DATABOOK 1996/1997 LX1004 1.2V & 2.5V M I C R O P O W E R V O LTA G E R E F E R E N C E S P D R O D U C T I O N A T A S H E E T C H A R A C T E R I S T I C C U R V E S -- LX1004-1.2V FIGURE 5. -- REVERSE DYNAMIC IMPEDANCE FIGURE 6. -- NOISE VOLTAGE 800 1000 700 (VN) Noise Voltage - (nV/ Hz) Dynamic Impedance - () TA = 25C 100 10 1 600 500 400 300 200 100 0 10 0.1 10 100 1k 10k IR = 100A TA = 25C 100k 100 (f) Frequency - (Hz) 1k 10k 100k (f) Frequency - (Hz) Output Voltage FIGURE 7. -- RESPONSE TIME 1.5V 1.0V VIN 0.5V 36k VOUT Input Voltage 0 5V 0 0 50 100 500 550 Time - (s) Copyright (c) 1996 Rev. 1.2a 8/04 5 PRODUCT DATABOOK 1996/1997 LX1004 1.2V & 2.5V M I C R O P O W E R V O LTA G E R E F E R E N C E S P R O D U C T I O N D A T A S H E E T C H A R A C T E R I S T I C C U R V E S -- LX1004-2.5V FIGURE 9. -- REVERSE CHARACTERISTICS 4.0V 2.0V VIN 24K VOUT 0 Input Voltage TA = 25C 100 TA = 25C Reverse Current - (A) Output Voltage FIGURE 8. -- RESPONSE TIME 10 1 5 0 0.1 0 1.0 Time - (100s/Div.) 2.0 3.0 4.0 5.0 Reverse Voltage - (V) FIGURE 10. -- FORWARD CHARACTERISTICS FIGURE 11. -- TEMPERATURE DRIFT 1.0 2.52 TA = 25C 2.515 Reference Voltage - (V) Forward Voltage - (V) 0.8 0.6 0.4 2.51 2.505 2.5 2.495 2.49 0.2 2.485 0 0.001 0.01 0.1 1 Forward Current - (mA) 6 10 100 2.48 -40 20 0 20 40 60 80 100 Temperature - (C) Copyright (c) 1996 Rev. 1.2a 8/04 PRODUCT DATABOOK 1996/1997 LX1004 1.2V & 2.5V M I C R O P O W E R V O LTA G E R E F E R E N C E S P R O D U C T I O N D A T A S H E E T C H A R A C T E R I S T I C C U R V E S -- LX1004-2.5V FIGURE 12. -- NOISE VOLTAGE FIGURE 13. -- REVERSE DYNAMIC IMPEDANCE TA = 25C IR = 100A 1800 Dynamic Impedance - () (VN) Noise Voltage - (nV/ Hz) 100 1500 1200 900 600 300 10 1 IR = 100A TA = 25C 100 1k 10k (f) Frequency - (Hz) Copyright (c) 1996 Rev. 1.2a 8/04 10 100k 0.1 10 100 1k 10k 100k (f) Frequency - (Hz) 7