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LTC2440IGN Fiches technique(PDF) 3 Page - Linear Technology

No de pièce LTC2440IGN
Description  24-Bit High Speed Differential delta-sigma ADC with Selectable Speed/Resolution
PDF  28 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
Logo LINER - Linear Technology

LTC2440IGN Fiches technique(HTML) 3 Page - Linear Technology

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LTC2440
3
sn2440, 2440fas
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
●
GND – 0.3V
VCC + 0.3V
V
IN–
Absolute/Common Mode IN– Voltage
●
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range
●
–VREF/2
VREF/2
V
(IN+ – IN–)
REF+
Absolute/Common Mode REF+ Voltage
●
0.1
VCC
V
REF–
Absolute/Common Mode REF– Voltage
●
GND
VCC – 0.1V
V
VREF
Reference Differential Voltage Range
●
0.1
VCC
V
(REF+ – REF–)
CS(IN+)
IN+ Sampling Capacitance
3.5
pF
CS(IN–)
IN– Sampling Capacitance
3.5
pF
CS(REF+)
REF+ Sampling Capacitance
3.5
pF
CS(REF–)
REF– Sampling Capacitance
3.5
pF
IDC_LEAK(IN+, IN–,
Leakage Current, Inputs and Reference
CS = VCC, IN
+ = GND, IN– = GND,
●
–100
10
100
nA
REF+, REF–)
REF+ = 5V, REF– = GND
ISAMPLE(IN+, IN–,
Average Input/Reference Current
Varies, See Applications Section
REF+, REF–)
During Sampling
The
● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
A ALOG I PUT A D REFERE CE
The
● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
4.5V
≤ VCC ≤ 5.5V
●
2.5
V
CS, FO
VIL
Low Level Input Voltage
4.5V
≤ VCC ≤ 5.5V
●
0.8
V
CS, FO
VIH
High Level Input Voltage
4.5V
≤ VCC ≤ 5.5V (Note 8)
●
2.5
V
SCK
VIL
Low Level Input Voltage
4.5V
≤ VCC ≤ 5.5V (Note 8)
●
0.8
V
SCK
IIN
Digital Input Current
0V
≤ VIN ≤ VCC
●
–10
10
µA
CS, FO
IIN
Digital Input Current
0V
≤ VIN ≤ VCC (Note 8)
●
–10
10
µA
SCK
CIN
Digital Input Capacitance
10
pF
CS, FO
CIN
Digital Input Capacitance
(Note 8)
10
pF
SCK
VOH
High Level Output Voltage
IO = –800µA
●
VCC – 0.5V
V
SDO, BUSY
VOL
Low Level Output Voltage
IO = 1.6mA
●
0.4V
V
SDO, BUSY
VOH
High Level Output Voltage
IO = –800µA (Note 9)
●
VCC – 0.5V
V
SCK
VOL
Low Level Output Voltage
IO = 1.6mA (Note 9)
●
0.4V
V
SCK
IOZ
Hi-Z Output Leakage
●
–10
10
µA
SDO
DIGITAL I PUTS A D DIGITAL OUTPUTS



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