Datasheet AD8418 (Analog Devices) - 7

AD8418 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 10 40 8 30 6 20 10 V) 4 µ ( E 0 2 AG B) d –10 LT 0 O N ( AI –20 T V E –2 G –30 –4 OFFS –40 –6 –50 –8 –60 –10 –70 –40 –25 –10 5 20 35 50 65 80 95 110 125
003
1k 10k 100k 1M 10M
006
TEMPERATURE (°C)
1546- 1
FREQUENCY (Hz)
1546- 1 Figure 3. Typical Offset Drift vs. Temperature Figure 6. Typical Small Signal Bandwidth (VOUT = 200 mV p-p)
110 20 18 100 16 %) 14 R ( 90 12 B) RRO d E 10 80 UT RR ( P 8 CM UT O 6 70 L A T 4 O T 60 2 0 50 –2 10 100 1k 10k 100k 1M
004
0 5 10 15 20 25 30 35 40
007
FREQUENCY (Hz)
1546-
DIFFERENTIAL INPUT VOLTAGE (mV)
1546- 1 1 Figure 4. Typical CMRR vs. Frequency Figure 7. Total Output Error vs. Differential Input Voltage
500 0.5 V NORMALIZED AT 25°C S = 5V 400 0.4 300 mA) 0.3 IN ( ) 200 P 0.2 /V UT +IN V µ 100 0.1 NP R ( R I –IN 0 E 0 RRO P –100 NT –0.1 N E AI G –200 –0.2 CURRE –300 –0.3 AS BI –400 –0.4 –500 –0.5 –40 –25 –10 5 20 35 50 65 80 95 110 125 –4 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80
005 008
TEMPERATURE (°C) V
1546-
CM (V)
1546- 1 1 Figure 5. Typical Gain Error vs. Temperature Figure 8. Bias Current per Input Pin vs. Common-Mode Voltage (VCM) Rev. 0 | Page 6 of 16 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Output Offset Adjustment Unidirectional Operation Ground Referenced Output VS Referenced Output Bidirectional Operation External Referenced Output Splitting the Supply Splitting an External Reference Applications Information Motor Control 3-Phase Motor Control H-Bridge Motor Control Solenoid Control High-Side Current Sense with a Low-Side Switch High-Side Current Sense with a High-Side Switch High Rail Current Sensing Outline Dimensions Ordering Guide Automotive Products