ZRC500A01STOB

PRECISION 5.0 VOLT LOW KNEE CURRENT VOLTAGE REFERENCE ZRC500 ISSUE 3 - MARCH 1998 DEVICE DESCRIPTION FEATURES • The ZRC500 uses a bandgap circuit design to achieve a precision micropower voltage reference of 5.0 volts. The device is available in small outline surface mount packages, ideal for applications where space saving is important, as well as packages for through hole requirements. • • • • • • • • The ZRC500 design provides a stable voltage without an external capacitor and is stable with capacitive loads. The ZRC500 is recommended for operation between 25µA and 5mA and so is ideally suited to low power and battery powered applications. • Excellent performance is maintained to an absolute maximum of 25mA, however the rugged design and 20 volt processing allows the reference to withstand transient effects and currents up to 200mA. Superior switching capability allows the device to reach stable operating conditions in only a few microseconds. Small outline SOT23, SO8 and TO92 style packages No stabilising capacitor required Low knee current, 19µA typical Typical TC 30ppm/°C Typical slope resistance 0.4Ω ± 3%, 2% and 1% tolerance Industrial temperature range Operating current 25µA to 5mA Transient response, stable in less than 10µs Optional extended current range APPLICATIONS • • • • SCHEMATIC DIAGRAM V R G nd 4-262 Battery powered and portable equipment. Instrumentation. Test equipment. Metering and measurement systems. ZRC500 ABSOLUTE MAXIMUM RATING Reverse Current Forward Current Operating Temperature Storage Temperature Power Dissipation (Tamb=25°C) SOT23 330mW E-Line, 3 pin (TO92) 500mW E-Line, 2 pin (TO92) 500mW SO8 625mW 25mA 25mA -40 to 85°C -55 to 125°C ELECTRICAL CHARACTERISTICS TEST CONDITIONS (Unless otherwise stated) Tamb=25°C SYMBOL PARAMETER VR Reverse Breakdown Voltage IMIN Minimum Operating Current IR Recommended Operating Current TC † Average Reverse Breakdown Voltage Temp. Co. CONDITIONS IR=150µA LIMITS TYP MAX 4.95 4.9 4.85 5.0 5.0 5.0 5.05 5.1 5.15 19 25 µA 5 mA 30 90 ppm/°C 0.4 2 Ω 0.8 Ω 0.025 IR(min) to IR(max) Slope Resistance ZR Reverse Dynamic Impedance IR = 1mA f = 100Hz IAC= 0.1 IR 0.3 EN Wideband Noise Voltage IR = 150µA f = 10Hz to 10kHz 105 TC = V µV(rms) 40 Reverse Current (uA) RS = 1 2 3 60 (VR(max)−VR(min)) x 1000000 VR x (T(max)−T(min)) Note: VR(max) - VR(min) is the maximum deviation in reference voltage measured over the full operating temperature range. § UNITS MIN RS § † TOL. % VR Change(IR (min) to IR (max)) IR (max) − IR (min) 20 25 °C 85 °C -40 °C 0 0 2 4 Reverse Voltage (V) Reverse Characteristics 4-263 6 ZRC500 1.6 5.08 1.4 5.06 Reference Voltage (V) Forward Voltage (V) TYPICAL CHARACTERISTICS 1.2 1.0 0.8 0.6 5.04 5.02 5.00 4.98 4.96 0.4 0.1 1 10 100 4.94 -40 1000 -20 Forward Current (mA) Forward Characteristics 40 20 60 80 100 Temperature Drift 1000 Slope Resistance (Ohms) 3 Slope Resistance (Ohms) 0 Temperature (°C) 2 T =-40°C A 1 TA=25°C Iref=150µA 100 Iref=1mA 10 Iref=5mA 1 TA=85°C 0 0.1 1 0.1 10 10 100 Reference Current (mA) Slope Resistance vs. Current 5mA 4 VIN 2 1K 5mA 150µA 33K 150µA 4 0 0 10 0 1 2 150µA 33K 150µA 1K 5mA 0 0 3 Time (ms) VIN 2 10 Vin (V) Vin (V) 100K 6 5mA 0 10K Slope Resistance vs. Frequency VR (V) VR (V) 6 1K Frequency (Hz) 2 4 6 Time (µs) Transient Response (Single Pulse) Transient Response (Repetitive Pulse) 4-264 ZRC500 CONNECTION DIAGRAMS E-Line, 2 pin Package Suffix – Y E-Line, 3 pin,Rev Package Suffix – R Bottom View Bottom View – Pin 3 floating or connected to pin 1 E-Line, 3 pin Package Suffix – A SO8 Package Suffix – N8 Top View Bottom View – Pin 1 floating or connected to pin 3 SOT23 Package Suffix – F Top View – Pin 1 floating or connected to pin 2 4-265 ZRC500 ORDERING INFORMATION Part No Tol% Package Partmark Part No Tol% Package Partmark ZRC500A03 3 E-Line • ZRC50003 ZRC500R03 3 E-Line * ZRC500R3 ZRC500A02 2 E-Line • ZRC50002 ZRC500R02 2 E-Line * ZRC500R2 ZRC500A01 1 E-Line • ZRC50001 ZRC500R01 1 E-Line * ZRC500R1 ZRC500F03 3 SOT23 50P ZRC500Y03 3 E-Line † ZRC50003 ZRC500F02 2 SOT23 50T ZRC500Y02 2 E-Line † ZRC50002 ZRC500F01 1 SOT23 50X ZRC500Y01 1 E-Line † ZRC50001 ZRC500N803 3 SO8 ZRC50003 ZRC500N802 2 SO8 ZRC50002 ZRC500N801 1 SO8 ZRC50001 * E-Line 3 pin Reversed † E-Line 2 pin • E-Line 3 pin 4-266