Download 1.2 A Programmable Device Power Supply AD5560

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Transcript
AD5560
Data Sheet
1000
PART H1
PART H2
PART H3
900
800
700
NSD (nV/√Hz)
MEASOUT – MI
TA = 25°C
AVDD = +16.25V
AVSS = –16.25V
VREF = 5V
OFFSET DAC = 0x8000
IRANGE /ILOAD = EXTFORCE1/1.2A
0 TO 3.7V STEP
CLOAD = 10µF CERAMIC
SAFE MODE
MEASOUT GAIN 1, MI GAIN 20
200
FORCE
100
Figure 44. Transient Response FVMI Mode, EXTFORCE1 Range, Safe Mode
07779-025
GAIN = 11
GAIN = 10
FVMI
GAIN = 01
2.9V
FNMV
GAIN = 00
A CH3
FVMV
GAIN = 10
M20µs
T 4.6%
FVMN
GAIN = 00
CH2 1V BW
CH4 10V
0
GAIN = 10
BUSY
4
3
CH1 5V
CH3 5V
400
GAIN = 00
2
500
300
07779-058
1
600
Figure 47. NSD vs. Amplifier Stage and Gain Setting at 1 kHz
20
DVCC = +5.25V, AVDD = +16.5V, AVSS = –16.5V
0
4
3
CH1 5V
CH3 5V
CH2 2V BW
CH4 10V
M10µs
T 9.8%
A CH3
–40
FOH
MV: GAIN 0
MV: GAIN 1
MV: GAIN 2
MV: GAIN 3
MI: GAIN 0
MI:GAIN 1
MI: GAIN 2
MI: GAIN 3
–60
–80
–100
10
2.9V
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 45. Transient Response FVMI Mode, EXTFORCE2 Range,
Autocompensation Mode
07779-049
2
ACPSRR (dB)
1
–20
07779-059
TA = 25°C
AVDD = +16.25V
MEASOUT – MI
AVSS = –16.25V
VREF = 5V
OFFSET DAC = 0x8000
IRANGE /ILOAD = EXTFORCE2/
300mA
FORCE
0 TO 10V STEP
CLOAD = 220nF
AUTOCOMP MODE 0x4880
MEASOUT GAIN 1, MI GAIN 20
BUSY
Figure 48. ACPSRR of AVDD vs. Frequency
0
FORCE
–20
MEASOUT – MI
BUSY
4
3
CH1 5V
CH3 5V
CH2 2V BW
CH4 10V
M100µs
T 9.8%
A CH3
ACPSRR (dB)
–60
FOH
MV: GAIN 0
MV: GAIN 1
MV: GAIN 2
MV: GAIN 3
MI: GAIN 0
MI:GAIN 1
MI: GAIN 2
MI: GAIN 3
–80
–100
–120
DVCC = +5.25V, AVDD = +16.5V, AVSS = –16.5V
–140
10
2.9V
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 46. Transient Response FVMI Mode, EXTFORCE2 Range, Safe Mode
Rev. D | Page 26 of 68
Figure 49. ACPSRR of AVSS vs. Frequency
10M
07779-050
2
TA = 25°C
AVDD = +16.25V
AVSS = –16.25V
VREF = 5V
OFFSET DAC = 0x8000
IRANGE /ILOAD = EXTFORCE2/300mA
0 TO 10V STEP
CLOAD = 220nF
SAFE MODE
MEASOUT GAIN 1, MI GAIN 20
07779-060
1
–40