SC1004 SEMTECH | Alldatasheet
Document overview
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Technical content
© 2000 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE SC1004(A) May 1, 2000
- = Trimmed bandgap design (0.8%, 0.32% for SC1004A version)
- = Wide operating current range 20µA to 20mA
- = Low dynamic impedance (0.2Ω )
- = SO-8 package
FEATURES
The SC1004(A) is a two terminal precision voltage reference with thermal stability guaranteed over temperature. The SC1004(A) has a typical dynamic output impedance of 0.2 Ω.= Active output circuitry provides a very sharp turn on characteristic - the minimum operating current is 20µA, with a maximum of 20mA. Coming with an initial tolerance of ± 0.8% (0.32% for SC1004A), and with two available voltage options (1.235V and 2.5V) in a small SO-8 package, the SC1004(A) is ideally suited for very low power circuitry such as temperature sensors and portable meters.
APPLICATIONS
- = Micropower circuitry
- = Portable meters
- = Battery powered systems
- = Temperature sensors BLOCK DIAGRAM Cathode Anode
DESCRIPTION
SO-8 Lead (Top View) TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com VOLTAGE (1) INITIAL ACCURACY 1.235 V 2.5 V SC1004ACS8-1.2.TR - ±0.32% Notes: (1) Only available in tape and reel packaging. A reel contains 2500 devices.
ORDERING INFORMATION
Parameter Symbol Maximum Units Reverse Current 20 mA Operating Temperature Range TA -40 to +85 °C Operating Junction Temperature Range TJ -40 to +150 °C Storage Temperature Range TSTG -65 to +150 °C Lead Temperature (Soldering) 10 seconds TLEAD 300 °C ABSOLUTE MAXIMUM RATINGS SYMBOL DIAGRAM CathodeAnode
© 2000 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE SC1004(A) May 1, 2000
ELECTRICAL CHARACTERISTICS
TA = 25°C unless otherwise specified. -1.2 -2.5 Parameter Symbol Condition MIN TYP MAX MIN TYP MAX UNITS Reverse Breakdown Voltage, V Z IZ = 100µA T A = 25°C 1.231 1.235 1.239 N/A N/A N/A V SC1004A T A = 0 to +70°C 1.225 1.235 1.245 N/A N/A N/A TA = -40 to +85°C 1.220 1.235 1.245 N/A N/A N/A Average Temperature Coefficient IZ(min) ≤ IZ ≤ 20mA 20 20 ppm/°C Minimum Operating Current I Z(min) TA = -40 to +85°C 8 10 12 20 µA Ratio of Change in VZ to Change in IZ IZ(min) < IZ < 1mA T A = 25°C 1.0 1.0 mV TA = -40 to +85°C 1.5 1.5 1mA < IZ < 20mA T A = 25°C 10 10 TA = -40 to +85°C 20 20 Reverse Dynamic Impedance Z R IZ = 100µA T A = 25°C 0.2 0.6 0.2 0.6 Ω TA = -40 to +85°C 1.5 1.5 Wideband Noise (RMS) e N IZ = 100µA, 10Hz < f < 10kHz 60 120 µV Long Term Stability of Reverse Break- down Voltage ∆VZ t = 1000 hours, T = 25°C ± 0.1°C, IZ = 100µA 20 20 ppm T VZ Z Z I V
© 2000 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA 91320 PRECISION SHUNT VOLTAGE REFERENCE SC1004(A) May 1, 2000 OUTLINE DRAWING - SO-8 LAND PATTERN - SO-8 ECN00-1051