Datasheet MAX4172 (Maxim) - 4
| 制造商 | Maxim |
| 描述 | Low-Cost, Precision, High-Side Current-Sense Amplifier |
| 页数 / 页 | 9 / 4 — Typical Operating Characteristics (continued). POWER-SUPPLY REJECTION … |
| 修订版 | 4 |
| 文件格式/大小 | PDF / 1.6 Mb |
| 文件语言 | 英语 |
Typical Operating Characteristics (continued). POWER-SUPPLY REJECTION RATIO. ERROR vs. SENSE VOLTAGE. vs. FREQUENCY
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MAX4172 Low-Cost, Precision, High-Side Current-Sense Amplifier
Typical Operating Characteristics (continued)
(V+ = +12V, VRS+ = 12V, ROUT = 1kΩ, TA = +25°C, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO ERROR vs. SENSE VOLTAGE vs. FREQUENCY
40 35 35 VSENSE = 100mV MAX4172-04 MAX4172-05 30 30 25 25 20 20 0.5VP-P ERROR (%) 15 ERROR (%) 15 10 1.0VP-P 10 5 0 5 5mVP-P -5 0 0.1m 1m 10m 100m 1 0.01 0.1 1 10 100 1000 VSENSE (V) POWER-SUPPLY FREQUENCY (kHz)
OUTPUT ERROR V+ THRESHOLD FOR PG OUTPUT LOW vs. COMMON MODE VOLTAGE vs. TEMPERATURE
1.0 2.98 VSENSE = 100mV TA = +85°C 0.6 MAX4172-06 MAX4172-07 2.88 0.2 TA = -40°C T 2.78 A = +25°C -0.2 TA = +105°C 2.68 -0.6 OUTPUT ERROR (%) 2.58 -1.0 V+ TRIP THRESHOLD (V) -1.4 2.48 -1.8 2.38 0 4 8 12 16 20 24 28 32 -50 -25 0 25 50 75 100 125 V+ (V) TEMPERATURE (°C)
0 to 10mV VSENSE TRANSIENT RESPONSE 0 to 100mV VSENSE TRANSIENT RESPONSE
MAX4172-08 MAX4172-09 VSENSE VSENSE 5mV/div 50mV/div GND GND VOUT VOUT 50mV/div 500mV/div GND GND 10µs/div 10µs/div www.maximintegrated.com Maxim Integrated │ 4
Typical Operating Characteristics (continued)
(V+ = +12V, VRS+ = 12V, ROUT = 1kΩ, TA = +25°C, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO ERROR vs. SENSE VOLTAGE vs. FREQUENCY
40 35 35 VSENSE = 100mV MAX4172-04 MAX4172-05 30 30 25 25 20 20 0.5VP-P ERROR (%) 15 ERROR (%) 15 10 1.0VP-P 10 5 0 5 5mVP-P -5 0 0.1m 1m 10m 100m 1 0.01 0.1 1 10 100 1000 VSENSE (V) POWER-SUPPLY FREQUENCY (kHz)
OUTPUT ERROR V+ THRESHOLD FOR PG OUTPUT LOW vs. COMMON MODE VOLTAGE vs. TEMPERATURE
1.0 2.98 VSENSE = 100mV TA = +85°C 0.6 MAX4172-06 MAX4172-07 2.88 0.2 TA = -40°C T 2.78 A = +25°C -0.2 TA = +105°C 2.68 -0.6 OUTPUT ERROR (%) 2.58 -1.0 V+ TRIP THRESHOLD (V) -1.4 2.48 -1.8 2.38 0 4 8 12 16 20 24 28 32 -50 -25 0 25 50 75 100 125 V+ (V) TEMPERATURE (°C)
0 to 10mV VSENSE TRANSIENT RESPONSE 0 to 100mV VSENSE TRANSIENT RESPONSE
MAX4172-08 MAX4172-09 VSENSE VSENSE 5mV/div 50mV/div GND GND VOUT VOUT 50mV/div 500mV/div GND GND 10µs/div 10µs/div www.maximintegrated.com Maxim Integrated │ 4