Datasheet

LTC2633
7
2633fb
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OUT
DAC Output Span External Reference
Internal Reference
0 to V
REF
0 to 4.096
V
V
PSR Power Supply Rejection V
CC
= 5V ± 10% –80 dB
I
SC
Short Circuit Output Current (Note 6)
Sinking
Sourcing
V
FS
= V
CC
= 5.5V
Zero Scale; V
OUT
shorted to V
CC
Full Scale; V
OUT
shorted to GND
l
l
27
–28
48
–48
mA
mA
Power Supply
V
CC
Positive Supply Voltage For Specified Performance
l
4.5 5.5 V
I
CC
Supply Current (Note 7) V
CC
= 5V, V
REF
=4.096V, External Reference
V
CC
= 5V, Internal Reference
l
l
0.4
0.5
0.6
0.7
mA
mA
I
SD
Supply Current in Power-Down Mode
(Note 7)
V
CC
= 5V
l
0.5 2 µA
Reference Input
Input Voltage Range
l
1 V
CC
V
Resistance
l
120 160 200 kΩ
Capacitance 12 pF
I
REF
Reference Current, Power Down Mode DAC Powered Down
l
0.005 5 µA
Reference Output
Output Voltage
l
2.032 2.048 2.064 V
Reference Temperature Coefficient ±10 ppm/°C
Output Impedance 0.5 kΩ
Capacitive Load Driving 10 µF
Short Circuit Current V
CC
= 5.5V, REF Shorted to GND 4 mA
Digital I/O
V
IL
Low Level Input Voltage
(SDA and SCL)
(Note 14)
l
–0.5 0.3V
CC
V
V
IH
High Level Input Voltage
(SDA and SCL)
(Note 11)
l
0.7V
CC
V
V
IL(CA0)
Low Level Input Voltage on CA0 See Test Circuit 1
l
0.15V
CC
V
V
IH(CA0)
High Level Input Voltage on CA0 See Test Circuit 1
l
0.85V
CC
V
R
INH
Resistance from CA0
to V
CC
to Set CA0 = V
CC
See Test Circuit 2
l
10 kΩ
R
INL
Resistance from CA0
to GND to Set CA0 = GND
See Test Circuit 2
l
10 kΩ
R
INF
Resistance from CA0 to V
CC
or GND to
Set CA0 = 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 12)
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
electrical characteristics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 4.5V to 5.5V, V
OUT
unloaded unless otherwise specified.
LTC2633-HI12/-HI10/-HI8/-HZ12/-HZ10/-HZ8/LTC2633A-HI12/-HZ12 (V
FS
= 4.096V)