Datasheet

AD7294 Data Sheet
Rev. H | Page 18 of 48
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
0 0.5 1.0 1.5 2.0 2.5
ERROR (°C)
CAPACITANCE FROM D+ TO D– (nF)
05747-065
Figure 30. Temperature Error vs. Capacitor Between D+ and D−
15
10
5
0
–5
–10
–15
–20
0 2000 4000 6000 8000 10000 12000
ERROR (°C)
SERIES RESISTANCE (Ω)
05747-062
Figure 31. Temperature Error vs. Series Resistance for 15 Typical Parts
05747-096
5
–50
–45
–40
–35
–30
–25
–20
–15
–10
–5
0
AMPLITUDE (dB)
FREQUENCY (Hz)
1k 10k 100k 1M 10M 100M
Figure 32. Frequency Response of the High-Side Current Sensor
on the AD7294
–50
–95
–90
–85
–80
–75
–70
–65
–60
–55
1k
10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
05747-102
Figure 33. I
SENSE
Power Supply Rejection Ratio vs. Supply Ripple Frequency
Without V
PP
Supply Decoupling Capacitors for a 500 mV Ripple
–50
–110
–100
–90
–80
–70
–60
1 100M10M1M100k10k1k10010
CMRR (dB)
RIPPLE FREQUENCY (Hz)
05747-103
Figure 34. I
SENSE
Common-Mode Rejection Ratio vs. Ripple Frequency for a
400 mV Peak-To-Peak Ripple