LTC2485 LINER [Linear Technology], LTC2485 Datasheet - Page 4

• Manufacturer Part Number: LTC2485
• Description: 24-Bit ?? ADC with Easy Drive Input Current Cancellation and I2C Interface
• Manufacturer: LINER [Linear Technology]

A ALOG I PUT A
LTC2485
I
temperature range, otherwise specifications are at T
POWER REQUIRE E TS
4
SYMBOL
C
C
C
I
I
I
the full operating temperature range, otherwise specifications are at T
SYMBOL
V
V
V
V
R
R
R
I
V
V
t
t
I
C
C
C
V
V
range, otherwise specifications are at T
SYMBOL
V
I
DC_LEAK
DC_LEAK
DC_LEAK
I
OF
SP
IN
CC
2
S
S
S
IH
IL
IL(CA1)
IH(CA0/F0,CA1)
INH
INL
INF
HYS
OL
I
B
CAX
IH(EXT,OSC)
IL(EXT,OSC)
CC
U
(IN
(IN
(V
C DIGITAL I PUTS A D DIGITAL OUTPUTS
REF
+
–
)
)
)
(IN
(IN
(V
REF
+
–
)
)
)
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Low Level Input Voltage for Address Pin
High Level Input Voltage for Address Pins
Resistance from CA0/F
Chip Address Bit to 1
Resistance from CA1 to GND to Set
Chip Address Bit to 0
Resistance from CA0/F
GND to Set Chip Address Bit to Float
Digital Input Current
Hysteresis of Schmitt Trigger Inputs
Low Level Output Voltage SDA
Output Fall Time from V
Input Spike Suppression
Input Leakage
Capacitance for Each I/O Pin
Capacitance Load for Each Bus Line
External Capacitive Load on Chip
Address Pins (CA0/F
High Level CA0/F
Low Level CA0/F
PARAMETER
Supply Voltage
Supply Current
PARAMETER
IN
IN
V
IN
IN
REF
REF
+
–
+
–
U
Sampling Capacitance
Sampling Capacitance
DC Leakage Current
DC Leakage Current
+
, REF
Sampling Capacitance
U
–
DC Leakage Current
0
0
External Oscillator
External Oscillator
W U
0
U
,CA1) for Valid Float
0
0
,CA1 to V
, CA1 to V
IHMIN
D REFERE CE
A
U
to V
= 25°C. (Note 3)
CC
ILMAX
CC
to Set
or
The
●
A
CONDITIONS
Conversion Mode (Note 11)
Sleep Mode (Note 11)
= 25°C. (Note 3)
CONDITIONS
(Note 5)
I = 3mA
Bus Load C
0.1V
2.7V ≤ V
2.7V ≤ V
denotes the specifications which apply over the full operating temperature
U
CC
CONDITIONS
Sleep Mode, IN
Sleep Mode, IN
Sleep Mode, V
≤ V
CC
CC
The
IN
B
< 5.5V
< 5.5V
10pF to 400pF (Note 14)
≤ V
●
CC
denotes the specifications which apply over the full operating
A
REF
= 25°C. (Note 3)
+
–
= GND
= GND
= V
CC
The
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
denotes the specifications which apply over
V
20+0.1C
0.95V
0.05V
CC
0.7V
–100
MIN
MIN
MIN
–10
–10
–10
2.7
– 0.5V
10
2
CC
CC
CC
B
TYP
TYP
TYP
160
11
11
11
1
1
1
1
0.05V
0.3V
MAX
MAX
MAX
100
250
400
250
0.4
0.5
5.5
10
10
10
10
10
50
10
1
2
CC
CC
UNITS
UNITS
UNITS
2485fa
MΩ
kΩ
kΩ
nA
nA
nA
µA
µA
µA
µA
pF
pF
pF
ns
ns
pF
pF
pF
V
V
V
V
V
V
V
V
V