Datasheet LTC2990 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Quad I2C Voltage, Current and Temperature Monitor |
| 页数 / 页 | 26 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 3.3V unless … |
| 修订版 | F |
| 文件格式/大小 | PDF / 340 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 3.3V unless otherwise noted. Measurement Delay Variation
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LTC2990
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 3.3V unless otherwise noted Measurement Delay Variation Shutdown Current vs Temperature Supply Current vs Temperature vs T Normalized to 3.3V, 25°C
3.5 1200 4 VCC = 5V 3.0 VCC = 5V 1150 3 2.5 VCC = 5V 1100 2 2.0 (µA) (µA) I CC 1.5 I CC1050 1 VCC = 3.3V 1.0 V VCC = 3.3V 1000 CC = 3.3V 0 0.5 MEASUREMENT DELAY VARIATION (%) 0 950 –1 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TAMB (°C) TAMB (°C) TAMB (°C) 2990 G01 2990 G02 2990 G03
VCC TUE Single-Ended VX TUE Differential Voltage TUE
0.10 0.10 1.0 0.05 0.05 0.5 VCC = 5V 0 0 TUE (%) TUE (%) 0 V CC VX TUE (%) V DIFF VCC = 3.3V –0.05 –0.05 –0.5 –0.10 –0.10 –1.0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TAMB (°C) TAMB (°C) TAMB (°C) 2990 G04 2990 G05 2990 G06
Remote Diode Error with LTC2990 Remote Diode Error with LTC2990 TINTERNAL Error at 25°C, 90°C at Same Temperature as Diode
4 0.6 1.00 3 LTC2990 0.75 0.4 AT 25°C 0.50 2 0.2 0.25 1 ERROR (°C) LTC2990 ERROR (DEG) ERROR (DEG) –0.25 RX 0 AT 90°C 0 RX 0 –0.2 T INTERNAL –1 LTC2990 T LTC2990 T –0.50 –0.4 –2 –0.75 –3 –0.6 –1.00 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TAMB (°C) BATH TEMPERATURE (°C) TAMB (°C) 2990 G07 2990 G08 2990 G09 Rev. F For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Pin Functions Functional Diagram Timing Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, VCC = 3.3V unless otherwise noted Measurement Delay Variation Shutdown Current vs Temperature Supply Current vs Temperature vs T Normalized to 3.3V, 25°C
3.5 1200 4 VCC = 5V 3.0 VCC = 5V 1150 3 2.5 VCC = 5V 1100 2 2.0 (µA) (µA) I CC 1.5 I CC1050 1 VCC = 3.3V 1.0 V VCC = 3.3V 1000 CC = 3.3V 0 0.5 MEASUREMENT DELAY VARIATION (%) 0 950 –1 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TAMB (°C) TAMB (°C) TAMB (°C) 2990 G01 2990 G02 2990 G03
VCC TUE Single-Ended VX TUE Differential Voltage TUE
0.10 0.10 1.0 0.05 0.05 0.5 VCC = 5V 0 0 TUE (%) TUE (%) 0 V CC VX TUE (%) V DIFF VCC = 3.3V –0.05 –0.05 –0.5 –0.10 –0.10 –1.0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TAMB (°C) TAMB (°C) TAMB (°C) 2990 G04 2990 G05 2990 G06
Remote Diode Error with LTC2990 Remote Diode Error with LTC2990 TINTERNAL Error at 25°C, 90°C at Same Temperature as Diode
4 0.6 1.00 3 LTC2990 0.75 0.4 AT 25°C 0.50 2 0.2 0.25 1 ERROR (°C) LTC2990 ERROR (DEG) ERROR (DEG) –0.25 RX 0 AT 90°C 0 RX 0 –0.2 T INTERNAL –1 LTC2990 T LTC2990 T –0.50 –0.4 –2 –0.75 –3 –0.6 –1.00 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TAMB (°C) BATH TEMPERATURE (°C) TAMB (°C) 2990 G07 2990 G08 2990 G09 Rev. F For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Pin Functions Functional Diagram Timing Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts