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XR18910 датащи(PDF) 3 Page - Exar Corporation

номер детали XR18910
подробное описание детали  8:1 Sensor Interface Analog Front End
PDF  19 Pages
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производитель  EXAR [Exar Corporation]
домашняя страница  http://www.exar.com
Logo EXAR - Exar Corporation

XR18910 датащи(HTML) 3 Page - Exar Corporation

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REV1A
Electrical Characteristics
TA = 25°C, VCC = 3.3V, VDD = 1.8V, RL = 10kΩ to 1.5V, G = 760, unless otherwise noted.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
DC Performance
VIO
Input offset voltage
Input referred
-3
±0.02
3
mV
dVIO
Input offset voltage average drift
3
μV/°C
IB
Input bias current
-100
15
100
pA
IOS
Input offset current
-100
1
100
pA
PSRR
Power supply rejection ratio
VCC = 2.7V to 5V
60
91
dB
G
Gain = 2
Nominal, refer to Gain Register Table (pg. 7)
2.0
V/V
Gain = 20
20.0
V/V
Gain = 40
40.0
V/V
Gain = 80
80.0
V/V
Gain = 150
150.0
V/V
Gain = 300
299.9
V/V
Gain = 600
599.6
V/V
Gain = 760
759.4
V/V
GE
Gain error
-0.5
0.5
%
Gain error vs temperature
±10
ppm/°C
ISVCC
VCC supply current
No load to output, no load to LDO
435
530
μA
ISVCCD
Disable VCC supply current
No load to output, no load to LDO
48
62
μA
ISVDD
VDD supply current
No load to output, no load to LDO, I2C running
22
29
μA
ISTOTAL
Total supply current
No load to output, no load to LDO
457
559
μA
ISDTOTAL
Total disable supply current
No load to output, no load to LDO, LDO DIS
45
μA
No load to output, no load to LDO, LDO EN
70
91
μA
Input Characteristics
Input impedance
1013 || 11.2
Ω || pF
CMIR
Common mode input range
0.5
0.23 to
3.06
2.5
V
CMRR
Common mode rejection ratio
Input referred, VCM = 0.5 to 2.0V
75
88
dB
Output Characteristics
VOUT
Output voltage swing
RL = 10kΩ to 1.5V
0.1
0.04 to
3.29
3.1
V
VOO
Output offset
Offset DAC 0 00 0000 0000, G = 2
1.4
1.5
1.6
V
Offset DAC
Offset DAC range
RTI (referred to input)
±560
mV
Offset monotonicity
8
10
Bits
LDO
Output voltage
1.5k load, LDO bit LOW
-6%
3
+6%
V
1.5k load, LDO bit HIGH
-6%
2.65
+6%
V
Dropout voltage
VCC = 2.8V, LDO = 2.65V, ILOAD = 10mA
150
mV
Output current
10
25
mA
Power supply rejection ratio
Output referred, VCC = 3V to 5V, LDO = 2.65V
45
63
dB
Output referred, VCC = 3.3V to 5V, LDO = 3V
45
63
dB
Output current sense transimpedance slope
Output voltage relative to 1.5V / LDO current, G = 2
0.08
0.1
0.12
V/mA
Output current sense range clip
G = 2
18.8
mA
XR
18910



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