LTC2497 Linear Technology, LTC2497 Datasheet - Page 4

• Manufacturer Part Number: LTC2497
• Description: 16-Bit 8-/16-Channel ADC
• Manufacturer: Linear Technology

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I
LTC2497
ANALOG INPUT AND REFERENCE
POWER REQUIREMENTS
I
I
I
t
QIRR
operating temperature range, otherwise specifi cations are at T
SYMBOL
V
V
V
V
R
R
R
I
V
V
t
I
C
4
temperature range, otherwise specifi cations are at T
range, otherwise specifi cations are at T
SYMBOL
V
I
DC_LEAK(IN
DC_LEAK(REF
DC_LEAK(REF
OPEN
I
OF
IN
CC
2
IH
IL
IHA
ILA
HYS
OL
CAX
INH
INL
INF
CC
C INPUTS AND DIGITAL OUTPUTS
–
)
+
–
)
)
PARAMETER
Supply Voltage
Supply Current
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Voltage for Address Pins CA0, CA1, CA2
Low Level Input Voltage for Address Pins CA0, CA1, CA2
Resistance from CA0, CA1, CA2 to V
Bit to 1
Resistance from CA0, CA1, CA2 to GND to Set Chip Address
Bit to 0
Resistance from CA0, CA1, CA2 to GND or V
Address Bit to Float
Digital Input Current
Hysteresis of Schmidt Trigger Inputs
Low Level Output Voltage (SDA)
Output Fall Time V
Input Leakage
External Capacitative Load on Chip Address Pins (CA0, CA1,
CA2) for Valid Float
IN
REF
REF
MUX Break-Before-Make
MUX Off Isolation
–
DC Leakage Current
+
–
DC Leakage Current
DC Leakage Current
IH(MIN)
to V
A
IL(MAX)
CONDITIONS
Conversion Current (Note 11)
Sleep Mode (Note 11)
= 25°C. (Note 3)
CC
to Set Chip Address
The
A
CC
●
= 25°C. (Note 3)
to Set Chip
denotes the specifi cations which apply over the full operating temperature
A
The
= 25°C. (Note 3)
Sleep Mode, IN
Sleep Mode, REF
Sleep Mode, REF
V
IN
= 2V
The
CONDITIONS
(Note 5)
I = 3mA
Bus Load C
400pF (Note 14)
0.1V
●
denotes the specifi cations which apply over the full operating
P-P
CC
●
denotes the specifi cations which apply over the full
DC to 1.8MHz
≤ V
–
IN
B
= GND
+
–
10pF to
≤ V
= V
= GND
CC
CC
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
20 + 0.1C
0.95V
0.05V
0.7V
MIN
–10
MIN
2
2.7
–100
–100
–10
CC
CC
CC
B
TYP
TYP
160
1
120
50
1
1
1
0.05V
0.3V
MAX
250
MAX
0.4
275
10
10
10
10
5.5
1
2
100
100
10
CC
CC
UNITS
UNITS
2497f
MΩ
kΩ
kΩ
nA
nA
nA
dB
µA
µA
µA
µA
ns
ns
pF
V
V
V
V
V
V
V