Datasheet AD8208 (Analog Devices) - 7

Data Sheet AD8208 TYPICAL PERFORMANCE CHARACTERISTICS
TOPR = −40°C to +125°C, TA = 25°C, VS = 5 V, RL = 25 kΩ (RL is the output load resistor), unless otherwise noted.
0.2 1500 0.1 1000 0 m) 500 p p V) –0.1 R ( (m 0 SI O RRO V –0.2 N E AI –500 G –0.3 –0.4 –1000 –0.5 –1500 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100 110 120
004
–40 –25 –10 5 20 35 50 65 80 95 110 125
007
TEMPERATURE (°C) TEMPERATURE (°C)
08714- 08714- Figure 4. Typical Offset Drift vs. Temperature Figure 7. Typical Gain Error vs. Temperature
30 0.47 25 0.42 20 mA) ( 0.37 NT 15 0.32 10 0.27 B) CURRE d 5 AS N ( 0.22 BI AI G 0 UT 0.17 NP –5 I 0.12 AL –10 OT 0.07 T –15 0.02 –20 –0.03 1k 10k 100k 1M
005
–2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44
008
FREQUENCY (Hz)
08714-
INPUT COMMON-MODE (V)
08714- Figure 5. Typical Small-Signal Bandwidth Figure 8. Total Input Bias Current vs. Common-Mode Voltage, with +IN and –IN Pins Connected (Shorted)
120 –35 +125°C +25°C 110 –30 –40°C –40°C +25°C A) 100 n –25 ( +125°C NT 90 –20 B) d 80 CURRE –15 RR ( AS CM BI 70 –10 UT NP 60 –5 A2 I 50 0 40 5
006
10 100 1k 10k 100k 1M 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50
009
FREQUENCY (Hz)
08714-
A2 INPUT VOLTAGE (V)
08714- Figure 6. Typical CMRR vs. Frequency Figure 9. Input Bias Current of A2 vs. Input Voltage and Temperature Rev. C | Page 7 of 20 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information High-Side Current Sensing with a Low-Side Switch High-Rail Current Sensing Low-Side Current Sensing 4 mA to 20 mA Current Loop Receiver Gain Adjustment Gains Less than 20 Gains Greater than 20 Gain Trim Internal Signal Overload Considerations Low-Pass Filtering High Line Current Sensing with LPF and Gain Adjustment Outline Dimensions Ordering Guide Automotive Products