Datasheet

LTC2607/LTC2617/LTC2627
4
26071727fa
electrical characteristics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Supply
V
CC
Positive Supply Voltage For Specified Performance
l
2.7 5.5 V
I
CC
Supply Current V
CC
= 5V (Note 3)
V
CC
= 3V (Note 3)
DAC Powered Down (Note 3) V
CC
= 5V
DAC Powered Down (Note 3) V
CC
= 3V
l
l
l
l
0.66
0.52
0.4
0.10
1.3
1
1
1
mA
mA
µA
µA
Digital I/O (Note 11)
V
IL
Low Level Input Voltage (SDA and SCL)
l
0.3V
CC
V
V
IH
High Level Input Voltage (SDA and SCL)
l
0.7V
CC
V
V
IL(LDAC)
Low Level Input Voltage (LDAC) V
CC
= 4.5V to 5.5V
V
CC
= 2.7V to 5.5V
l
l
0.8
0.6
V
V
V
IH(LDAC)
High Level Input Voltage (LDAC) V
CC
= 2.7V to 5.5V
V
CC
= 2.7V to 3.6V
l
l
2.4
2.0
V
V
V
IL(CAn)
Low Level Input Voltage on CAn
(n = 0, 1, 2)
See Test Circuit 1
l
0.15V
CC
V
V
IH(CAn)
High Level Input Voltage on CAn (n = 0, 1, 2) See Test Circuit 1
l
0.85V
CC
V
R
INH
Resistance from CAn (n = 0, 1, 2)
to V
CC
to Set CAn = V
CC
See Test Circuit 2
l
10 kΩ
R
INL
Resistance from CAn (n = 0, 1, 2)
to GND to Set CAn = GND
See Test Circuit 2
l
10 kΩ
R
INF
Resistance from CAn (n = 0, 1, 2)
to V
CC
or GND to Set CAn = Float
See Test Circuit 2
l
2 MΩ
V
OL
Low Level Output Voltage Sink Current = 3mA
l
0 0.4 V
t
OF
Output Fall Time V
O
= V
IH(MIN)
to V
O
= V
IL(MAX)
,
C
B
= 10pF to 400pF (Note 9)
l
20 + 0.1C
B
250 ns
t
SP
Pulse Width of Spikes Suppressed by Input Filter
l
0 50 ns
I
IN
Input Leakage 0.1V
CC
≤ V
IN
≤ 0.9V
CC
l
1 µA
C
IN
I/O Pin Capacitance Note 12
l
10 pF
C
B
Capacitive Load for Each Bus Line
l
400 pF
C
CAX
External Capacitive Load on Address
Pins CAn (n = 0, 1, 2)
l
10 pF
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. REF = 4.096V (V
CC
= 5V), REF = 2.048V (V
CC
= 2.7V), REFLO = 0V,
V
OUT
unloaded, unless otherwise noted.