LTC2636
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V, VOUT unloaded unless otherwise specified.
LTC2636-HMI12/-HMI10/-HMI8/-HMX12/-HMX10/-HMX8/-HZ12/-HZ10/-HZ8 (VFS = 4.096V)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
0 to V
MAX
UNITS
V
DAC Output Span
External Reference
Internal Reference
V
V
OUT
REF
0 to 4.096
PSR
Power Supply Rejection
V
V
= 5V 10%
–80
dB
CC
I
SC
Short Circuit Output Current (Note 6)
= V = 5.5V
FS
CC
l
l
Sinking
Sourcing
Zero-Scale; V
Shorted to V
27
–28
48
–48
mA
mA
OUT
OUT
CC
Full-Scale; V
Shorted to GND
Power Supply
l
V
Positive Supply Voltage
Supply Current (Note 7)
For Specified Performance
4.5
5.5
V
CC
l
l
I
CC
V
CC
V
CC
= 5V, V = 4.096V, External Reference
1.0
1.1
1.3
1.5
mA
mA
REF
= 5V, Internal Reference
l
l
I
Supply Current in Power-Down Mode
(Note 7)
V
V
= 5V, C-Grade, I-Grade
= 5V, H-Grade
0.5
0.5
1.8
5
μA
μA
SD
CC
CC
Reference Input
l
l
V
REF
Input Voltage Range
Resistance
1
V
V
kΩ
pF
CC
120
160
12
200
Capacitance
l
l
I
Reference Current, Power-Down Mode
DAC Powered Down
0.005
0.1
μA
REF
Reference Output
Output Voltage
2.032
2.048
10
2.064
V
ppm/°C
kΩ
Reference Temperature Coefficient
Output Impedance
0.5
10
Capacitive Load Driving
Short Circuit Current
μF
V
V
= 5.5V; REF Shorted to GND
4
mA
CC
Digital I/O
l
l
l
l
V
V
Digital Input High Voltage
Digital Input Low Voltage
Digital Input Leakage
2.4
V
V
IH
IL
0.8
1
I
= GND to V
μA
pF
LK
IN
CC
C
Digital Input Capacitance
(Note 8)
2.5
IN
AC Performance
t
S
Settling Time
V
= 5V (Note 9)
CC
0.39% ( 1LSB at 8 Bits)
0.098% ( 1LSB at 10 Bits)
0.024% ( 1LSB at 12 Bits)
3.8
4.3
4.8
μs
μs
μs
Voltage Output Slew Rate
Capacitive Load Driving
Glitch Impulse
1.0
500
3.0
2.4
320
V/μs
pF
At Mid-Scale Transition
nV•s
nV•s
kHz
DAC-to-DAC Crosstalk
Multiplying Bandwidth
1 DAC held at FS, 1 DAC Switch 0-FS
External Reference
2636f
8