LTC2309
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T = 25°C. (Note 4)
A
PARAMETER
CONDITIONS
MIN
TYP
2.50
25
MAX
UNITS
V
l
V
V
V
V
V
Output Voltage
Output Tempco
Output Impedance
I
I
= 0
= 0
2.47
2.53
REF
OUT
OUT
ppm/°C
kΩ
REF
–0.1mA ≤ I
≤ 0.1mA
8
REF
OUT
Output Voltage
I
= 0
4.096
0.8
V
REFCOMP
OUT
Line Regulation
AV = 4.75V to 5.25V
DD
mV/V
REF
I2C INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T = 25°C. (Note 4)
A
SYMBOL PARAMETER
CONDITIONS
MIN
0.7V
TYP
MAX
0.3V
UNITS
l
l
l
l
l
V
V
V
V
High Level Input Voltage
V
V
IH
CC
Low Level Input Voltage
IL
CC
High Level Input Voltage for Address Pins A1, A0
Low Level Input Voltage for Address Pins A1, A0
0.95V
V
IHA
ILA
CC
0.05V
10
V
CC
R
R
R
Resistance from A1, A0, to V to Set Chip
kΩ
INH
INL
INF
CC
Address Bit to 1
l
l
Resistance from A1, A0 to GND to Set Chip
Address Bit to 0
10
kΩ
Resistance from A1, A0 to GND or V to Set
Chip Address Bit to Float
2
MΩ
CC
l
l
l
l
l
l
I
Digital Input Current
–10
10
μA
V
I
V
V
Hysteresis of Schmitt Trigger Inputs
Low Level Output Voltage (SDA)
(Note 9)
I = 3mA
(Note 12)
0.05V
HYS
OL
CC
0.4
250
50
V
t
t
Output Fall Time V to V
20 + 0.1C
B
ns
ns
pF
OF
SP
H
IL(MAX)
Input Spike Suppression
C
External Capacitance Load On Chip Address Pins
(A1, A0) for Valid Float
10
CAX
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T = 25°C. (Note 4)
A
SYMBOL
AV
PARAMETER
CONDITIONS
MIN
4.75
4.75
TYP
5
MAX
5.25
5.25
UNITS
l
l
Analog Supply Voltage
Digital Supply Voltage
V
V
DD
DV
5
DD
l
l
l
I
Supply Current
Nap Mode
Sleep Mode
14ksps Sample Rate
SLP Bit = 0, Conversion Done
SLP Bit = 1, Conversion Done
2.3
210
7
3
350
15
mA
μA
μA
DD
P
Power Dissipation
Nap Mode
Sleep Mode
14ksps Sample Rate
SLP Bit = 0, Conversion Done
SLP Bit = 1, Conversion Done
11.5
1.05
35
15
1.75
75
mW
mW
μW
D
2309f
4
Linear [ Linear ]
