参数资料
型号: EVAL-AD5522EBDZ
厂商: Analog Devices Inc
文件页数: 56/64页
文件大小: 0K
描述: BOARD EVAL FOR 14X14MM AD5522
标准包装: 1
主要目的: 测试与测量,参数测量单元(PMU)
已用 IC / 零件: AD5522
已供物品:
AD5522
Data Sheet
Rev. E | Page 6 of 64
SPECIFICATIONS
AVDD ≥ 10 V; AVSS ≤ 5 V; |AVDD AVSS| ≥ 20 V and ≤ 33 V; DVCC = 2.3 V to 5.25 V; VREF = 5 V; REFGND = DUTGND = AGND = 0 V;
gain (M), offset (C), and DAC offset registers at default values; TJ = 25°C to 90°C, unless otherwise noted. (FV = force voltage, FI = force
current, MV = measure voltage, MI = measure current, FS = full scale, FSR = full-scale range, FSVR = full-scale voltage range, FSCR =
full-scale current range.)
Table 1.
Parameter
Min
Max
Unit
Test Conditions/Comments
FORCE VOLTAGE
FOHx Output Voltage Range2
AVSS + 4
AVDD 4
V
All current ranges from FOHx at full-scale current;
includes ±1 V dropped across sense resistor
EXTFOHx Output Voltage Range2
AVSS + 3
AVDD 3
V
External high current range at full-scale current;
does not include ±1 V dropped across sense resistor
Output Voltage Span
22.5
V
Offset Error
50
+50
mV
Measured at midscale code; prior to calibration
Offset Error Tempco2
10
V/°C
Standard deviation = 20 μV/°C
Gain Error
0.5
+0.5
% FSR
Prior to calibration
Gain Error Tempco2
0.5
ppm/°C
Standard deviation = 0.5 ppm/°C
Linearity Error
0.01
+0.01
% FSR
FSR = full-scale range (±10 V), gain and offset errors
calibrated out
Short-Circuit Current Limit2
150
+150
mA
±80 mA range
10
+10
mA
All other ranges
Noise Spectral Density (NSD)2
320
nV/√Hz
1 kHz, at FOHx in FV mode
MEASURE CURRENT
Measure current = (IDUT × RSENSE × gain);
amplifier gain = 5 or 10, unless otherwise noted
Differential Input Voltage Range2
1.125
+1.125
V
Voltage across RSENSE; gain = 5 or 10
Output Voltage Span
22.5
V
Measure current block with VREF = 5 V, MEASOUT
scaling happens after
Offset Error
0.5
+0.5
% FSCR
V(RSENSE) = ±1 V, measured with zero current flowing
Offset Error Tempco2
1
V/°C
Referred to MI input; standard deviation = 4 V/°C
Gain Error
1
+1
% FSCR
Using internal current ranges
0.5
+0.5
% FSCR
Measure current amplifier alone
Gain Error Tempco2
2
ppm/°C
Standard deviation = 2 ppm/°C
Measure current amplifier alone; internal sense resistor
25 ppm/°C
Linearity Error (MEASOUTx Gain = 1)
0.015
+0.015
% FSR
MI gain = 10
0.01
+0.01
% FSR
MI gain = 5
Linearity Error (MEASOUTx Gain = 0.2)
0.06
+0.06
% FSR
MI gain = 10, AVDD = 28 V, AVSS = 5 V,
offset DAC = 0x0
0.11
+0.11
% FSR
MI gain = 10, AVDD = 10 V, AVSS = 23 V,
offset DAC = 0x0EDB7
0.015
+0.015
% FSR
MI gain = 10, AVDD = 15.25 V, AVSS = 15.25 V,
offset DAC = 0xA492
0.06
+0.06
% FSR
MI gain = 5, AVDD = 28 V, AVSS = 5 V,
offset DAC = 0x0
0.01
+0.01
% FSR
MI gain = 5, AVDD = 10 V, AVSS = 23 V,
offset DAC = 0xEDB7
0.01
+0.01
% FSR
MI gain = 5, AVDD = 15.25 V, AVSS = 15.25 V,
offset DAC = 0xA492
Common-Mode Voltage Range2
AVSS + 4
AVDD 4
V
Common-Mode Error (Gain = 5)
0.01
+0.01
% FSCR/V
% of full-scale change at force output per V change
in DUT voltage
Common-Mode Error (Gain = 10)
0.005
+0.005
% FSCR/V
% of full-scale change at force output per V change
in DUT voltage
Sense Resistors
Sense resistors are trimmed to within 1%
200
±5 A range
50
±20 A range
5
±200 A range
0.5
±2 mA range
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