TS4040 2.5V MICROPOWER SHUNT VOLTAGE REFERENCE ■ 2.5V OUTPUT VOLTAGE ■ ULTRA LOW CURRENT CONSUMPTION: 40µA TYP. ■ HIGH PRECISION @ 25°C ±2% and ±1% ■ HIGH STABILITY WHEN USED WITH CAPACITIVE LOAD ■ INDUSTRIAL TEMPERATURE RANGE: -40 to +85°C ■ 150ppm/°C MAXIMUM TEMPERATURE COEFFICIENT Z TO92 (Plastic Package) DESCRIPTION The TS4040 is a low power shunt voltage reference providing a stable 2.5V output voltage over the industrial temperature range (-40 to +85°C). Available in SOT23-3 surface mount package, it can be designed in applications where space saving is a critical issue. The low operating current is a key advantage for power restricted designs. In addition, the TS4040 is very stable and can be used in a broad range of application conditions. L SOT23-3L (Plastic Micropackage) PIN CONNECTIONS (top view) APPLICATION ■ ■ ■ ■ ■ Computers Instrumentation Battery chargers Switch Mode Power Supply Battery operated equipments ORDER CODE Precision TO92 SOT23-3 2% TS4040EIZ-2.5 TS4040EILT-2.5 1% TS4040DIZ-2.5 TS4040DILT-2.5 Single temperature range: -40 to +85°C SOT23 Marking L243 L242 Z = TO92 Plastic package - also available in Bulk (Z), Tape & Reel (ZT) and Ammo Pack (AP) LT = Tiny Package (SOT23-3) - only available in Tape & Reel (LT) March 2002 1/10 TS4040 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit Ik Reverse Breakdown Current 20 mA If Forward Current 10 mA 360 625 mW Pd Power Dissipation 1) SOT23-3 TO92 Tstd Storage Temperature ESD Human Body Model (HBM) Machine Model (MM) Lead Temperatue (soldering, 10 seconds) Tlead -65 to +150 °C 2 200 260 kV V °C 1. Pd has been calculated with Tamb = 25°C, Tjunction =150°C andRthja = 200°C/W for the TO92 package Rthja = 340°C/W for the SOT23-3 package OPERATING CONDITIONS Symbol Parameter Value Unit Ikmin Minimum Operating Current 60 µA Ikmax Maximum Operating Current 15 mA Toper Operating Free Air Temperature Range -40 to +85 °C 2/10 TS4040 ELECTRICAL CHARACTERISTICS TS4040E (2% Precision) Tamb = 25°C (unless otherwise specified) Symbol Parameter Reverse Breakdown Voltage Vk Ikmin Reverse Breakdown Voltage Tolerance Minimum Operating Current ∆Vref/∆T Average Temperature Coefficient ∆Vk/∆Ik Reverse Breakdown Voltage Change with Operating Current Range Rka Reverse Static Impedance Kvh Long Term Stability En Wide Band Noise Test Condition Ik = 100µA Ik = 100µA -40°C < T < +85°C T = 25°C -40°C < T < +85°C Ik = 100µA Ikmin < Ik < 1mA -40°C < T < +85°C 1mA < Ik < 15mA -40°C < T < +85°C Ik = Ikmin to 1mA -40°C < T < +85°C Ik = 1 to 15mA -40°C < T < +85°C Ik = 100µA, t = 1000hrs Ik = 100µA 10Hz < f < 10kHz Min. Typ. Max. Unit 2.45 -50 -74 2.5 2.55 50 74 65 70 150 1 1.2 8 10 1 1.2 0.6 0.7 V 40 30 0.4 2.5 0.4 0.2 mV µA ppm/°C mV Ω 120 ppm 35 µVrms Note: Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design. ELECTRICAL CHARACTERISTICS TS4040D (1% Precision) Tamb = 25°C (unless otherwise specified) Symbol Parameter Reverse Breakdown Voltage Vk Ikmin Reverse Breakdown Voltage Tolerance Minimum Operating Current ∆Vref/∆T Average Temperature Coefficient ∆Vk/∆Ik Reverse Breakdown Voltage Change with Operating Current Range Rka Reverse Static Impedance Kvh Long Term Stability En Wide Band Noise Test Condition Ik = 100µA Ik = 100µA -40°C < T < +85°C T = 25°C -40°C < T < +85°C Ik = 100µA Ikmin < Ik < 1mA -40°C < T < +85°C 1mA < Ik < 15mA -40°C < T < +85°C Ik = Ikmin to 1mA -40°C < T < +85°C Ik = 1mA to 15mA -40°C < T < +85°C Ik = 100µA, t = 1000hrs Ik = 100µA 10Hz < f < 10kHz Min. Typ. Max. Unit 2.475 -25 -49 2.5 2.525 25 49 65 70 150 1 1.2 8 10 1 1.2 0.6 0.7 V 40 30 0.4 2.5 0.4 0.2 mV µA ppm/°C mV Ω 120 ppm 35 µVrms Note: Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design. 3/10 TS4040 Minimum operating current Reference voltage versus cathode current 3 15 Cathode voltage (V) Cathode current (mA) 2.5 10 5 0 T=+25°C 2 T=+85°C 1.5 T=-40°C 1 0.5 -5 0 -0.5 0 0.5 1 1.5 2 2.5 0 20 Cathode voltage (V) 40 Cathode current (µA) 2.58 R Ik=(Vin-Vref)/R Vout=Vref Vin Cathode voltage (V) Test circuit 2.56 +2% 2.54 +1% 2.52 2.5 2.48 -1% 2.46 -2% 2.44 2.42 -40 -20 0 20 40 60 80 Temperature (°C) Static impedance (Rka) versus temperature Noise voltage versus Frequency 1500 Noise voltage (nV/VHz) Static impedance (Ohms) 0.2 0.15 0.1 0.05 0 -40 CL=10µF 1000 CL=1µF 500 CL=100nF CL=0 0 -20 0 20 40 Temperature (°C) 4/10 CL=100µF 60 80 0.1 1000.0 10.0 1.0 100.0 Frequency (KHz) TS4040 Pulse response for Ik=100µA 5 Test circuit for pulse response at Ik=100µA 25k ohm Input Intput Pulse Generator Output Ik=100µA 0 2.5 Output 0 0 5 Pulse response for Ik=100µA Detailed part 10 Time (µs) 15 20 Pulse response for Ik=100µA Detailed part 5V Input 5V Input 0V 2.5V Output 0V 2.5V Output 0V 0V 0 0.5 1 Time (µs) 1.5 2 0 1 2 3 Time (µs) 4 5 Pulse response for Ik=1mA 5V Input Test circuit for pulse response at Ik=1mA 2.5k ohm Output Pulse Generator Intput Ik=1mA 0V 2.5V Output 0V 0 1 2 3 4 5 Time (µs) 5/10 TS4040 Pulse response for Ik=1mA Detailed part Pulse response for Ik=1mA Detailed part 5V 5V Input Input 0V 2.5V 0V 2.5V Output Output 0V 0V 0 50 100 Time (ns) 6/10 150 200 0 0.2 0.4 0.6 Time (µs) 0.8 1 TS4040 PACKAGE MECHANICAL DATA 3 PINS - PLASTIC PACKAGE TO92 (TAPE & REEL) A1 P T P A H W2 W W1 W0 H0 I1 H L1 H1 d D0 F1 F2 P2 P0 Millimeters Inches Dim. Min AL A T d I1 P PO P2 F1/F2 ∆h ∆P W W0 W1 W2 H H0 H1 DO L1 Typ. Max. Min. Typ. 5.0 5.0 4.0 0.197 0.197 0.157 0.45 2.5 11.7 12.4 5.95 2.4 -1 -1 17.5 5.7 8.5 12.7 12.7 6.35 2.5 0 0 18.0 6 9 15.5 16 3.8 4.0 Max. 0.018 13.7 13 6.75 2.8 1 1 19.0 6.3 9.75 0.5 20 16.5 25 4.2 11 0.098 0.461 0.488 0.234 0.094 -0.039 -0.039 0.689 0.224 0.335 0.500 0.500 0.250 0.098 0 0 0.709 0.236 0.354 0.610 0.630 0.150 0.157 0.539 0.512 0.266 0.110 0.039 0.039 0.748 0.248 0.384 0.020 0.787 0.650 0.984 0.165 0.433 7/10 TS4040 PACKAGE MECHANICAL DATA 3 PINS - PLASTIC PACKAGE TO92 (TAPE AMMO PACK) A1 P T P A H W2 W W1 W0 H0 I1 H L1 H1 d D0 F1 F2 P2 P0 Millimeters Inches Dim. Min AL A T d I1 P PO P2 F1/F2 ∆h ∆P W W0 W1 W2 H H0 H1 DO L1 8/10 Typ. Max. Min. Typ. 5.0 5.0 4.0 0.197 0.197 0.157 0.45 2.5 11.7 12.4 5.95 2.4 -1 -1 17.5 5.7 8.5 12.7 12.7 6.35 2.5 0 0 18.0 6 9 15.5 16 3.8 4.0 Max. 0.018 13.7 13 6.75 2.8 1 1 19.0 6.3 9.75 0.5 20 16.5 25 4.2 11 0.098 0.461 0.488 0.234 0.094 -0.039 -0.039 0.689 0.224 0.335 0.500 0.500 0.250 0.098 0 0 0.709 0.236 0.354 0.610 0.630 0.150 0.157 0.539 0.512 0.266 0.110 0.039 0.039 0.748 0.248 0.384 0.020 0.787 0.650 0.984 0.165 0.433 TS4040 PACKAGE MECHANICAL DATA 3 PINS - PLASTIC PACKAGE TO92 (BULK) Millimeters Inches Dim. Min L B O1 C K O2 a 3.2 4.45 4.58 12.7 0.407 0.35 Typ. Max. Min. 1.27 3.7 5.00 5.03 4.2 5.2 5.33 0.5 0.508 0.126 0.1752 0.1803 0.5 0.016 0.0138 Typ. Max. 0.05 0.1457 0.1969 0.198 0.1654 0.2047 0.2098 0.0197 0.02 9/10 TS4040 PACKAGE MECHANICAL DATA 3 PINS - TINY PACKAGE (SOT23) D k GAUGE PLANE e L E E1 L1 0.25 b c C e1 0.10 SEATING PLANE A1 A A2 C Millimeters Inches Dimensions Min. A A1 A2 b c D E E1 e e1 L L1 k 0.890 0.010 0.880 0.300 0.080 2.800 2.100 1.200 0.400 0° Typ. 0.950 2.900 1.300 0.950 1.900 0.500 0.540 Max. Min. 1.120 0.100 1.020 0.500 0.200 3.040 2.640 1.400 0.035 0.0004 0.600 0.016 Typ. 0.037 0.012 0.003 0.110 0.083 0.047 0.114 0.051 0.037 0.075 0.020 0.021 Max. 0.044 0.004 0.040 0.020 0.008 0.120 0.104 0.055 0.024 8° Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. 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