Datasheet

Data Sheet AD5522
Rev. E | Page 7 of 64
Parameter Min Typ
1
Max Unit Test Conditions/Comments
Measure Current Ranges
2
Specified current ranges are achieved with VREF = 5 V
and MI gain = 10, or with VREF = 2.5 V and MI gain = 5
±5 µA Set using internal sense resistor
±20 µA Set using internal sense resistor
±200 µA Set using internal sense resistor
±2 mA Set using internal sense resistor
±80 mA
Set using external sense resistor; internal amplifier
can drive up to ±80 mA
Noise Spectral Density (NSD)
2
400 nV/√Hz 1 kHz, MI amplifier only, inputs grounded
FORCE CURRENT
Voltage Compliance, FOHx
2
AVSS + 4 AVDD − 4 V
Voltage Compliance, EXTFOHx
2
AVSS + 3 AVDD − 3 V
Offset Error −0.5 +0.5 % FSCR Measured at midscale code, 0 V, prior to calibration
Offset Error Tempco
2
5 ppm FS/°C Standard deviation = 5 ppm/°C
Gain Error −1.5 +1.5 % FSCR Prior to calibration
Gain Error Tempco
2
−6 ppm/°C Standard deviation = 5 ppm/°C
Linearity Error −0.02 +0.02 % FSCR
Common-Mode Error (Gain = 5) −0.01 +0.01 % FSCR/V % of full-scale change per V change in DUT voltage
Common-Mode Error (Gain = 10) −0.006 +0.006 % FSCR/V % of full-scale change per V change in DUT voltage
Force Current Ranges
Specified current ranges achieved with VREF = 5 V and
MI gain = 10, or with VREF = 2.5 V and MI gain = 5 V
±5 µA Set using internal sense resistor, 200 kΩ
±20 µA Set using internal sense resistor, 50 kΩ
±200 µA Set using internal sense resistor, 5 kΩ
±2 mA Set using internal sense resistor, 500 Ω
±80 mA
Set using external sense resistor; internal amplifier
can drive up to ±80 mA
MEASURE VOLTAGE
Measure Voltage Range
2
AVSS + 4 AVDD − 4 V
Offset Error −10 +10 mV Gain = 1, measured at 0 V
−25 +25 mV Gain = 0.2, measured at 0 V
Offset Error Tempco
2
−1 µV/°C Standard deviation = 6 µV/°C
Gain Error −0.25 +0.25 % FSR MEASOUTx gain = 1
−0.5 +0.5 % FSR MEASOUTx gain = 0.2
Gain Error Tempco
2
1 ppm/°C Standard deviation = 4 ppm/°C
Linearity Error (MEASOUTx Gain = 1) −0.01 +0.01 % FSR
Linearity Error (MEASOUTx Gain = 0.2) −0.01 +0.01 % FSR AVDD = 15.25 V, AVSS = −15.25 V, offset DAC = 0xA492
−0.06
+0.06
% FSR
AVDD = 28 V, AVSS = −5 V, offset DAC = 0x0
−0.1
+0.1
% FSR
AVDD = −10 V, AVSS = −23 V, offset DAC = 0x3640
Noise Spectral Density (NSD)
2
100
nV/√Hz
1 kHz; measure voltage amplifier only, inputs grounded
OFFSET DAC
Span Error ±30 mV
COMPARATOR
Comparator Span 22.5 V
Offset Error −2 +1 +2 mV
Measured directly at comparator; does not include
measure block errors
Offset Error Tempco
2
1 µV/°C Standard deviation = 2 µV/°C
Propagation Delay
2
0.25 μs
VOLTAGE CLAMPS
Clamp Span 22.5 V
Positive Clamp Accuracy
155
mV
Negative Clamp Accuracy
−155
mV
CLL to CLH
2
500 mV CLL < CLH and minimum voltage apart
Recovery Time
2
0.5 1.5 μs
Activation Time
2
1.5 3 μs