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参数资料
| 型号： | AD53508 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | PPMU Circuit |
| 中文描述： | PPMU电路 |
| 文件页数： | 3/8页 |
| 文件大小： | 125K |
| 代理商： | AD53508 |
–3–
REV. 0
AD53508
Unit
1
Parameter
Condition
Min
Typ
Max
ACCURACY—LOW RANGE
Transresistance Error (
±
3% Tolerance)
Offset Error
Gain Nonlinearity (Relative to Endpoints)
Output Compliance Voltage-Induced Transresistance Error
0.0121
0.0125
0.0129
±
4
±
0.05
±
0.025
V/nA
nA
% of Span
nA/V of Output
DRIFT—LOW RANGE
Gain Error Temperature Coefficient
Offset Drift
DISABLE MODE
2
Voltage Swing,
±
2 mA Range
±
2 mA Drive
±
100
μ
A Drive
ACCURACY
Gain (
±
0.1% Tolerance)
Offset Error
Gain Nonlinearity (Relative to Endpoints)
Current Measure CMRR (at MEAS_OUT)
±
20
±
70
ppm MV/
°
C
pA/
°
C
–4
–5
+9
+12
V
V
0.999
1.001
±
15
±
0.02
±
0.31
V/V
mV
% of Span
mV/V
DRIFT
Gain Error Temperature Coefficient
±
20
ppm (PV or
MV)/
°
C
μ
V/
°
C
Offset Drift
±
100
OTHER SPECIFICATIONS
Power Supply Rejection Ratio
f < 40 Hz, V
CC
f < 40 Hz, V
EE
f = 40 kHz, V
CC
f = 40 kHz, V
EE
T
AMB
= +70
°
C
70
60
35
25
dB
dB
dB
dB
CURRENT MEASURE HOLD MODE LEAKAGE
CROSSTALK
3
±
1.2
±
0.02
nA
% of Span
SETTLING TIMES TO 0.01%
Voltage Force and Guard Voltage
C
LOAD
= 100 pF
C
LOAD
= 2000 pF
Z
LOAD
= 100 pF 50 k
C
LOAD
= 20 pF
Any Output Except Guards
20
2
50
2
μ
s
ms
μ
s
μ
s
mA
Current Force (200
μ
A Range)
MEAS_OUT Pin
SHORT CIRCUIT CURRENT LIMIT MAGNITUDE
8.5
20
GUARD SCC LIMIT MAGNITUDE
2.5
10
mA
GUARD OFFSET (FROM SENSE INPUT PIN)
–65
–25
0
±
1.0
mV
μ
A
I
B
(DAC1, DAC2) CURRENT
DIGITAL INPUTS
V
IH
V
IL
I
IN
(Input leakage current)
POWER SUPPLIES
V
CC
(Positive Analog Supply Voltage)
V
EE
(Negative Analog Supply Voltage)
V
DD
(Logic Supply Voltage)
I
CC
(Positive Analog Supply Current)
I
EE
(Negative Analog Supply Current)
I
DD
(Logic Supply Current Is 0 with Inputs at Rails,
Worst Case @ 2.4 V
IN
)
NOTES
1
PV = Programmed Value, MV = Measured Value, FSR = Full-Scale Range = span.
2
Output connected: DAC2 and 2 mA range selected, unconditionally.
3
f < 40 Hz, both channels in current force mode; other channel output voltage swinging rail to rail.
Specifications subject to change without notice.
2.4
V
V
μ
A
0.8
10
14.0
–10.5
4.75
5
–15
15.0
–10.0
5.0
15.75
–9.0
5.25
15
–5
V
V
V
mA
mA
8
mA
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