Datasheet

AD5560 Data Sheet
Rev. D | Page 6 of 68
Parameter Min Typ Max Unit Test Conditions/Comments
Measure Current Ranges
Specified current ranges with V
REF
= 5 V and MI
gain = 20, or with V
REF
= 2.5 V and MI gain = 5.
±5 µA Set using internal sense resistor.
±25 µA Set using internal sense resistor.
±250 µA Set using internal sense resistor.
±2.5 mA Set using internal sense resistor.
±25 mA Set using internal sense resistor.
±500 mA
EXTFORCE2, set by user with external sense
resistor, limited by headroom requirements
and maximum power dissipation.
±120
0
mA
EXTFORCE1, set by user with external sense
resistor, limited by headroom requirements
and maximum power dissipation.
MEASURE CURRENT
All offset DAC/supply combinations settings, all
gain settings are measure current = (I
DUT
×
R
SENSE
× MI gain), unless otherwise noted.
Differential Input Voltage Range
1
−0.64 +0.64 V Maximum voltage across R
SENSE
, MI gain = 20.
−0.7 +0.7 V Maximum voltage across R
SENSE
, MI gain = 10.
Output Voltage Span
1
25 V Measure current block alone (internal node).
Offset Error −1 +1 % FSC At 0 A, MI gain = 20, MEASOUT gain = 1.
Offset Error Tempco
1
−1 ppm of FSC/°C Standard deviation = 13 ppm/°C.
Offset Error −1.5 +1.5 % FSC At 0 A, MI gain = 10, MEASOUT gain = 1.
Offset Error Tempco
1
−1 ppm of FSC/°C Standard deviation = 13 ppm/°C.
Offset Error −1.5 +1.5 % FSC At 0 A, MI gain = 20, MEASOUT gain = 0.2.
Offset Error Tempco
1
3 ppm of FSC/°C Standard deviation = 13 ppm/°C.
Offset Error −3 +3 % FSC At 0 A, MI gain = 10, MEASOUT gain = 0.2.
Offset Error Tempco
1
8 ppm of FSC/°C Standard deviation = 15 ppm/°C.
Gain Error
−2
+2
% FSC
Internal current ranges, all gain settings.
Gain Error
1
−1
+1
% FSC
External current ranges, excluding R
SENSE
.
Gain Error Tempco
1
20
ppm/°C
Standard deviation = 5 ppm/°C.
MEASOUT Gain = 1 All supply conditions.
Linearity Error −0.01 +0.01 % FSCR MI gain = 20 and 10.
MEASOUT Gain = 0.2 Nominal supply (±16.5 V, 0x8000 offset DAC).
Linearity Error −0.06 +0.06 % FSCR MI gain = 20.
Linearity Error −0.05 +0.05 % FSCR MI gain = 10.
MEASOUT Gain = 0.2 Low supply (−25 V/+8 V, 0xD4EB offset DAC).
Linearity Error −0.125 +0.125 % FSCR MI gain = 20.
Linearity Error −0.175 +0.175 % FSCR MI gain = 10.
MEASOUT Gain = 0.2 High supply (−5 V/+28 V, 0xD1D offset DAC).
Linearity Error −0.0875 +0.0875 % FSCR MI gain = 20.
Linearity Error −0.1 +0.1 % FSCR MI gain = 10.
Common-Mode Error −0.005 +0.005 %FSVR/V
% of FS change at measure output per volts
change in DUT voltage.
NSD
1
900 nV/√Hz
MI gain = 20, MEASOUT gain = 1, measured at
MEASOUT @ 1 kHz, inputs grounded.
550 nV/√Hz
MI gain = 10, MEASOUT gain = 1, measured at
MEASOUT @ 1 kHz, inputs grounded.
170 nV/√Hz
MI gain = 20, MEASOUT gain = 0.2, measured at
MEASOUT @ 1 kHz, inputs grounded.
110
nV/√Hz
MI gain = 10, MEASOUT gain = 0.2, measured at
MEASOUT @ 1 kHz, inputs grounded.
MEASURE VOLTAGE MEASOUT Gain 1 and MEASOUT Gain 0.2.
Measure Voltage Range
1
AV
SS
+ 2.75 AV
DD
− 2.75 V All voltage ranges.
Gain Error −0.1 +0.1 % FS
Gain Error Tempco
1
3 ppm/°C Standard deviation = 2 ppm/°C.
MEASOUT Gain = 1
Linearity Error −2 +2 mV
Offset Error −12 +12 mV
Offset Error Tempco
1
2
µV/°C
Standard deviation = 12 µV/°C.
NSD
1
100
nV/√Hz
@ 1 kHz, at MEASOUT, inputs grounded.