Precision Shunt Voltage Reference Trimmed bandgap design (0.8% SC

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Precision Shunt Voltage Reference Trimmed bandgap design (0.8% SC

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SC1004(A) terminal precision voltage reference with thermal stability guaranteed over temperature. SC1004(A) typical dynamic output impedance 0.2W. Active output circuitry provides very sharp turn characteristic minimum operating current 20µA, with maximum 20mA. SC1004(A) ideally suited very power circuitry such temperature sensors portable meters. available with initial tolerance 0.8% (0.32% SC1004A), with available voltage options (1.235V 2.5V) offered small SO-8 package.
Precision Shunt Voltage Reference
Trimmed bandgap design (0.8% SC1004,
SC1004(A)
Wide operating current range: 20µA 20mA dynamic impedance (0.2W) Fully stable with combinations operating Industrial temperature range SO-8 package
current/bypass cap. (down bypass cap.)
0.32% SC1004A version)
Applications
Micropower circuitry Portable meters Battery powered systems Temperature sensors
Typical Application Circuits
Anode SC1004-1.2 Cathode 1.235V Anode SC1004-2.5 Cathode
200k
2.5V
Micropower reference from battery
Micropower reference from battery
Revision December 2000
www.semtech.com
SC1004(A)
POWER MANAGEMENT Absolute Maximum Ratings
Parameter Reverse urrent Operati Temperature Range Operati Juncti Temperature Range Storage Temperature Range Lead Temperature (Solderi Sec. Rati (Human Body Model) mbol TSTG TLEAD Maximum +150 to+150 nits
Electrical Characteristics
Unless otherwise specified: 25°C
-1.2 Parameter Reverse Breakdown Voltage, 1004 mbol onditions 100µA 25°C +70°C +85°C Reverse Breakdown Voltage, 1004A 100µA 25°C +70°C +85°C Average Temperature oeffi ent(1) Operati urrent Rati hange hange IZ(MIN)
-2.5 2.500 2.520 2.530 2.530 ppm/°C nits
1.225 1.220 1.215
1.235
1.245 2.480 1.250 2.470 1.255 2.460 1.239 1.245 1.245
1.231 1.235 1.225 1.220
IZ(MIN) 20mA +85°C IZ(MIN) 25°C +85°C 20mA 25°C +85°C
Reverse ynami Impedance deband (RMS) Long Term Stabi Reverse Breakdown Voltage
100µA
25°C +85°C
=100µA 10Hz 10kHz 1000 hours, 25°C 0.1°C =100µA
Note: Average temperature coefficient defined worst case voltage change divided total temperature range.
2000 Semtech Corp.
www.semtech.com
SC1004(A)
POWER MANAGEMENT Configuration
SO-8 (Top View)
Ordering Information
ice(1) 1004C S8-1.2.TR 1004AC S8-1.2.TR 1004C S8-2.5.TR 1.235 1.235 Initial Accuracy ±0.8% ±0.32% ±0.8%
Note: SO-8 package only available tape reel packaging. reel contains 2500 devices.
Block Diagram
Cathode
Anode
2000 Semtech Corp.
www.semtech.com
SC1004(A)
POWER MANAGEMENT Outline Drawing SO-8
Land Pattern SO-8
Contact Information
Semtech Corporation Power Management Products Division Mitchell Rd., Newbury Park, 91320 Phone: (805)498-2111 (805)498-3804
2000 Semtech Corp.
www.semtech.com

Precision Shunt Voltage Reference Trimmed bandgap design (0.8% SC

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