Datasheet
LTC2309
4
2309fd
pOWeR ReQuIReMents
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
REF
Output Voltage I
OUT
= 0 (QFN)
I
OUT
= 0 (TSSOP)
l
l
2.47
2.46
2.50
2.50
2.53
2.54
V
V
V
REF
Output Tempco I
OUT
= 0 ±25 ppm/°C
V
REF
Output Impedance –0.1mA ≤ I
OUT
≤ 0.1mA 8 kΩ
V
REFCOMP
Output Voltage I
OUT
= 0 4.096 V
V
REF
Line Regulation V
DD
= 4.75V to 5.25V 0.8 mV/V
InteRnAL ReFeRenCe CHARACteRIstICs
The l denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
I
2
C Inputs AnD DIGItAL Outputs
The l denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage
l
2.85 V
V
IL
Low Level Input Voltage
l
1.5 V
V
IHA
High Level Input Voltage for Address Pins A1, A0
l
4.75 V
V
ILA
Low Level Input Voltage for Address Pins A1, A0
l
0.25 V
R
INH
Resistance from A1, A0, to V
DD
to Set Chip
Address Bit to 1
l
10 kΩ
R
INL
Resistance from A1, A0 to GND to Set Chip
Address Bit to 0
l
10 kΩ
R
INF
Resistance from A1, A0 to GND or V
DD
to Set
Chip Address Bit to Float
l
2 MΩ
I
I
Digital Input Current V
IN
= V
DD
l
–10 10 µA
V
HYS
Hysteresis of Schmitt Trigger Inputs (Note 9)
l
0.25 V
V
OL
Low Level Output Voltage (SDA) I = 3mA
l
0.4 V
t
OF
Output Fall Time V
H
to V
IL(MAX)
(Note 12)
l
20 + 0.1C
B
250 ns
t
SP
Input Spike Suppression
l
50 ns
C
CAX
External Capacitance Load On-Chip Address Pins
(A1, A0) for Valid Float
l
10 pF
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
Supply Voltage
l
4.75 5 5.25 V
I
DD
Supply Current 14ksps Sample Rate
l
2.3 3 mA
Nap Mode SLP Bit = 0, Conversion Done
l
210 350 µA
Sleep Mode SLP Bit = 1, Conversion Done
l
7 15 µA
P
D
Power Dissipation 14ksps Sample Rate
l
11.5 15 mW
Nap Mode SLP Bit = 0, Conversion Done
l
1.05 1.75 mW
Sleep Mode SLP Bit = 1, Conversion Done
l
35 75 µW
The l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 4)