Datasheet LM334S (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Constant Current Source and Temperature Sensor |
| 页数 / 页 | 12 / 4 — TYPICAL PERFOR A CE CHARACTERISTICS. Maximum Slew Rate for. Output … |
| 文件格式/大小 | PDF / 165 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Maximum Slew Rate for. Output Impedance. Linear Operation. Start-Up. Transient Response
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LM134 Series
W U TYPICAL PERFOR A CE CHARACTERISTICS Maximum Slew Rate for Output Impedance Linear Operation Start-Up
109 10 I = 10µA 10µA 200µs 0µA 1.0 ) Ω 108 µs) 100µA I = 100µA 50µs 0.1 0µA I SET IMPEDANCE ( 107 SLEW RATE (V/ 1mA 0.01 5µs I = 1mA 0mA 5V INPUT 106 0.001 0V 10 100 1k 10k 1 10 100 1000 10000 TIME FREQUENCY (Hz) ISET (µA) (*NOTE SCALE CHANGES FOR EACH CURRENT LEVEL) 134 G01 134 G02 134 G03
Transient Response Voltage Across RSET Current Noise
2 86 10k 2µs 1 82 ISET = 1mA 0 78 1k –1 V+ TO V– = 5V 74 ∆V = 0.4V I √Hz) SET = 5mA 5 t 70 r, f = 500ns (%) ISET = 1mA 0 66 100 ∆I SET I –5 10µs SET = 100µA 62 ISET = 100µA VOLTAGE (mV) 10 58 CURRENT (pA/ 10 ISET = 10µA 0 54 ISET = 10µA –10 50 50µs –20 46 1 TIME –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k (*NOTE SCALE CHANGES FOR EACH CURRENT LEVEL) TEMPERATURE (°C) FREQUENCY (Hz) 134 G06 134 G04 1314/15 G01
Operating Current vs Turn-On Voltage Ratio of ISET to V– Current Temperature
10mA 21 500 225 Tj = 25°C RSET = 226Ω R 20 SET = 14Ω 19 400 125 1mA R TEMPERATURE ( SET = 68Ω 18 °K) 17 300 25 100µA 16 I SET RSET = 680Ω RATIO 15 200 –75 °C) 14 TEMPERATURE ( 10µA RSET = 6.8k 13 100 –175 12 1µA 11 0 –275 0.4 0.6 0.8 1.0 1.2 1.4 10µA 100µA 1mA 10mA 0 100 200 300 400 500 V+ TO V– VOLTAGE ISET OPERATING CURRENT (µA) 134 G02 134 G08 134 G09 4
W U TYPICAL PERFOR A CE CHARACTERISTICS Maximum Slew Rate for Output Impedance Linear Operation Start-Up
109 10 I = 10µA 10µA 200µs 0µA 1.0 ) Ω 108 µs) 100µA I = 100µA 50µs 0.1 0µA I SET IMPEDANCE ( 107 SLEW RATE (V/ 1mA 0.01 5µs I = 1mA 0mA 5V INPUT 106 0.001 0V 10 100 1k 10k 1 10 100 1000 10000 TIME FREQUENCY (Hz) ISET (µA) (*NOTE SCALE CHANGES FOR EACH CURRENT LEVEL) 134 G01 134 G02 134 G03
Transient Response Voltage Across RSET Current Noise
2 86 10k 2µs 1 82 ISET = 1mA 0 78 1k –1 V+ TO V– = 5V 74 ∆V = 0.4V I √Hz) SET = 5mA 5 t 70 r, f = 500ns (%) ISET = 1mA 0 66 100 ∆I SET I –5 10µs SET = 100µA 62 ISET = 100µA VOLTAGE (mV) 10 58 CURRENT (pA/ 10 ISET = 10µA 0 54 ISET = 10µA –10 50 50µs –20 46 1 TIME –50 –25 0 25 50 75 100 125 10 100 1k 10k 100k (*NOTE SCALE CHANGES FOR EACH CURRENT LEVEL) TEMPERATURE (°C) FREQUENCY (Hz) 134 G06 134 G04 1314/15 G01
Operating Current vs Turn-On Voltage Ratio of ISET to V– Current Temperature
10mA 21 500 225 Tj = 25°C RSET = 226Ω R 20 SET = 14Ω 19 400 125 1mA R TEMPERATURE ( SET = 68Ω 18 °K) 17 300 25 100µA 16 I SET RSET = 680Ω RATIO 15 200 –75 °C) 14 TEMPERATURE ( 10µA RSET = 6.8k 13 100 –175 12 1µA 11 0 –275 0.4 0.6 0.8 1.0 1.2 1.4 10µA 100µA 1mA 10mA 0 100 200 300 400 500 V+ TO V– VOLTAGE ISET OPERATING CURRENT (µA) 134 G02 134 G08 134 G09 4