LTC1446 Linear Technology, LTC1446 Datasheet - Page 3

• Manufacturer Part Number: LTC1446
• Description: Dual 12-Bit Rail-to-Rail Micropower DACs in SO-8
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
V
V
SYMBOL
Digital I/O
V
V
V
V
I
C
Switching
t
t
t
t
t
t
t
t
t
The
temperature range.
Note 1: Nonlinearity is defined from the first code that is greater
than or equal to the maximum offset specification to code 4095
(full scale).
SYMBOL
Op Amp DC Performance
AC Performance
LEAK
1
2
3
4
5
6
7
8
9
IH
IL
OH
OL
IN
CC
CC
= 5V (LTC1446), V
= 4.5V to 5.5V (LTC1446), 2.7V to 5.5V (LTC1446L), V
denotes specifications which apply over the full operating
PARAMETER
Digital Input High Voltage
Digital Input Low Voltage
Digital Output High Voltage
Digital Output Low Voltage
Digital Input Leakage
Digital Input Capacitance
D
D
CLK High Time
CLK Low Time
CS/LD Pulse Width
LSB CLK to CS/LD
CS/LD Low to CLK
D
CLK Low to CS/LD Low
PARAMETER
Short-Circuit Current Low
Short-Circuit Current High
Output Impedance to GND
Voltage Output Slew Rate
Voltage Output Settling Time
IN
IN
OUT
Valid to CLK Setup
Valid to CLK Hold
Output Delay
CC
= 3V (LTC1446L), T
CONDITIONS
I
I
V
Guaranteed by Design
C
OUT
OUT
IN
LOAD
= GND to V
= – 1mA
= 1mA
A
= 15pF
= T
MIN
CC
CONDITIONS
V
V
Input Code = 0
(Note 2)
(Notes 2, 3) to 0.5LSB
to T
OUT
OUT
MAX,
Shorted to GND
Shorted to V
OUT A
unless otherwise noted.
and V
CC
OUT B
Note 2: Load is 5k in parallel with 100pF.
Note 3: DAC switched between all 1s and the code corresponding
to V
Note 4: Digital inputs at 0V or V
OS
unloaded, T
for the part.
V
CC
MIN
2.4
40
40
40
50
40
20
20
A
0
– 1.0
= T
LTC1446
MIN
TYP
to T
LTC1446/LTC1446L
MAX
MAX,
150
0.8
0.4
10
10
CC
MIN
0.5
.
unless otherwise noted.
V
CC
MIN
60
60
60
80
60
30
30
2
0
– 0.7
TYP
55
70
40
14
LTC1446L
1
TYP
MAX
120
120
120
MAX
220
0.6
0.4
10
10
UNITS
UNITS
3
V/ s
mA
mA
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
A
s