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LTC2486IDE Datasheet(PDF) 4 Page - Linear Technology

Part # LTC2486IDE
Description  16-Bit 2-/4-Channel ?誇 ADC with PGA and Easy Drive Input Current Cancellation
PDF  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2486IDE Datasheet(HTML) 4 Page - Linear Technology

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LTC2486
4
2486f
DIGITAL INPUTS AND DIGITAL OUTPUTS The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
ANALOG INPUT AND REFERENCE The ● denotes the 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
IN+
Absolute/Common Mode IN+ Voltage
(IN+ Corresponds to the Selected Positive Input Channel)
GND – 0.3V
VCC + 0.3V
V
IN–
Absolute/Common Mode IN– Voltage
(IN– Corresponds to the Selected Negative Input Channel)
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range (IN+ – IN–)
●
–FS
+FS
V
FS
Full Scale of the Differential Input (IN+ – IN–)
●
0.5VREF/Gain
V
LSB
Least Significant Bit of the Output Code
●
FS/216
REF+
Absolute/Common Mode REF+ Voltage
●
0.1
VCC
V
REF–
Absolute/Common Mode REF– Voltage
●
GND
REF+ – 0.1V
V
VREF
Reference Voltage Range (REF+ – REF–)
●
0.1
VCC
V
CS(IN+)
IN+ Sampling Capacitance
11
pF
CS(IN–)
IN– Sampling Capacitance
11
pF
CS(VREF)
VREF Sampling Capacitance
11
pF
IDC_LEAK(IN
+
)
IN+ DC Leakage Current
Sleep Mode, IN+ = GND
●
–10
1
10
nA
IDC_LEAK(IN
–
)
IN– DC Leakage Current
Sleep Mode, IN– = GND
●
–10
1
10
nA
IDC_LEAK(REF
+
)
REF+ DC Leakage Current
Sleep Mode, REF+ = VCC
●
–100
1
100
nA
IDC_LEAK(REF
–
)
REF– DC Leakage Current
Sleep Mode, REF– = GND
●
–100
1
100
nA
tOPEN
MUX Break-Before-Make
50
ns
QIRR
MUX Off Isolation
VIN = 2VP-P DC to 1.8MHz
120
dB
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage (
⎯C⎯S, F
O, SDI)
2.7V ≤ VCC ≤ 5.5V
●
VCC – 0.5
V
VIL
Low Level Input Voltage (
⎯C⎯S, F
O, SDI)
2.7V ≤ VCC ≤ 5.5V
●
0.5
V
VIH
High Level Input Voltage (SCK)
2.7V ≤ VCC ≤ 5.5V (Notes 10, 15)
●
VCC – 0.5
V
VIL
Low Level Input Voltage (SCK)
2.7V ≤ VCC ≤ 5.5V (Notes 10, 15)
●
0.5
V
IIN
Digital Input Current (
⎯C⎯S, F
O, SDI)
0V ≤ VIN ≤ VCC
●
–10
10
µA
IIN
Digital Input Current (SCK)
0V ≤ VIN ≤ VCC (Notes 10, 15)
●
–10
10
µA
CIN
Digital Input Capacitance (
⎯C⎯S, F
O, SDI)
10
pF
CIN
Digital Input Capacitance (SCK)
(Notes 10, 15)
10
pF
VOH
High Level Output Voltage (SDO)
IO = –800µA
●
VCC – 0.5
V
VOL
Low Level Output Voltage (SDO)
IO = 1.6mA
●
0.4
V
VOH
High Level Output Voltage (SCK)
IO = –800µA (Notes 10, 17)
●
VCC – 0.5
V
VOL
Low Level Output Voltage (SCK)
IO = 1.6mA (Notes 10, 17)
●
0.4
V
IOZ
Hi-Z Output Leakage (SDO)
●
–10
10
µA
POWER REQUIREMENTS The ● denotes the 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
VCC
Supply Voltage
●
2.7
5.5
V
ICC
Supply Current
Conversion Current (Note 12)
Temperature Measurement (Note 12)
Sleep Mode (Note 12)
●
●
●
160
200
1
275
300
2
µA
µA
µA



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