Datasheet LT1389 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Nanopower Precision Shunt Voltage Reference |
| Pages / Page | 12 / 7 — 4.096V TYPICAL PERFOR A CE CHARACTERISTICS. Reverse Voltage Change. … |
| File Format / Size | PDF / 219 Kb |
| Document Language | English |
4.096V TYPICAL PERFOR A CE CHARACTERISTICS. Reverse Voltage Change. Reverse Characteristics. Temperature Drift. vs Current
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LT1389
W U 4.096V TYPICAL PERFOR A CE CHARACTERISTICS Reverse Voltage Change Reverse Characteristics Temperature Drift vs Current
1000 8 2.0 TA = –40°C TO 85°C 6 800 1.6 4 – 40°C 2 600 1.2 0 IR = 250µA 400 0.8 –2 IR = 1.5µA 25°C REVERSE CURRENT (nA) –4 85°C 200 0.4 REVERSE VOLTAGE CHANGE (mV) REFERENCE VOLTAGE CHANGE (mV) –6 0 –8 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 – 40 –20 0 20 40 60 80 0.001 0.01 0.1 1 10 REVERSE VOLTAGE (V) TEMPERATURE (°C) REVERSE CURRENT (mA) 1389-4 G03 1389-4 G01 1389-4 G02
Reverse Dynamic Impedance Dynamic Impedance vs Frequency Forward Characteristics
1000 100 1.0 T T T A = 25°C A = 25°C A = 25°C 0.9 f = 25Hz ) 0.8 ) Ω 100 Ω 10 0.7 0.6 1 0.5 10 IR = 1.5µA COUT = 0.047µF 0.4 IR = 1.5µA C 0.3 OUT = 0µF 0.1 FORWARD VOLTAGE (V) DYNAMIC IMPEDANCE ( 1 DYNAMIC IMPEDANCE (k 0.2 I I R = 10µA R = 10µA 0.1 C C OUT = 0.68µF OUT = 0µF 0.1 0.01 0 0.001 0.01 0.1 1 10 0.01 0.1 1 10 0.001 0.01 0.1 1 10 100 REVERSE CURRENT (mA) FREQUENCY (kHz) FORWARD CURRENT (mA) 1389-4 G06 1389-4 G04 1389-4 G05
Response Time Response Time
4V 4V 0V 0V 10V 10V 0V 0V I 2ms/DIV 1389-4 G08 I 1389-4 G09 R = 1.5µA R = 1.5µA 200ms/DIV C C OUT = 0µF OUT = 0.1µF 7
W U 4.096V TYPICAL PERFOR A CE CHARACTERISTICS Reverse Voltage Change Reverse Characteristics Temperature Drift vs Current
1000 8 2.0 TA = –40°C TO 85°C 6 800 1.6 4 – 40°C 2 600 1.2 0 IR = 250µA 400 0.8 –2 IR = 1.5µA 25°C REVERSE CURRENT (nA) –4 85°C 200 0.4 REVERSE VOLTAGE CHANGE (mV) REFERENCE VOLTAGE CHANGE (mV) –6 0 –8 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 – 40 –20 0 20 40 60 80 0.001 0.01 0.1 1 10 REVERSE VOLTAGE (V) TEMPERATURE (°C) REVERSE CURRENT (mA) 1389-4 G03 1389-4 G01 1389-4 G02
Reverse Dynamic Impedance Dynamic Impedance vs Frequency Forward Characteristics
1000 100 1.0 T T T A = 25°C A = 25°C A = 25°C 0.9 f = 25Hz ) 0.8 ) Ω 100 Ω 10 0.7 0.6 1 0.5 10 IR = 1.5µA COUT = 0.047µF 0.4 IR = 1.5µA C 0.3 OUT = 0µF 0.1 FORWARD VOLTAGE (V) DYNAMIC IMPEDANCE ( 1 DYNAMIC IMPEDANCE (k 0.2 I I R = 10µA R = 10µA 0.1 C C OUT = 0.68µF OUT = 0µF 0.1 0.01 0 0.001 0.01 0.1 1 10 0.01 0.1 1 10 0.001 0.01 0.1 1 10 100 REVERSE CURRENT (mA) FREQUENCY (kHz) FORWARD CURRENT (mA) 1389-4 G06 1389-4 G04 1389-4 G05
Response Time Response Time
4V 4V 0V 0V 10V 10V 0V 0V I 2ms/DIV 1389-4 G08 I 1389-4 G09 R = 1.5µA R = 1.5µA 200ms/DIV C C OUT = 0µF OUT = 0.1µF 7
