Datasheet

4
LTC1451
LTC1452/LTC1453
ELECTRICAL CHARACTERISTICS
V
CC
= 5V (LTC1451LTC1452), V
CC
= 3V (LTC1453), T
A
= T
MIN
to T
MAX
LOAD CURRENT (mA)
0.0001
MINIMUM SUPPLY VOLTAGE (V)
110
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
1451/2/3 G01
0.010.001 0.1 100
∆V
OUT
< 1LSB
TEMPERATURE (°C)
–55
SUPPLY CURRENT (µA)
–25
5
35 65
1451/2/3 G03
95
450
440
430
420
410
400
390
380
370
360
350
125
V
CC
= 5.5V
V
CC
= 4.5V V
CC
= 5V
LOAD CURRENT (mA)
0.0001
MINIMUM SUPPLY VOLTAGE (V)
110
4.50
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
2.25
1451/2/3 G02
0.010.001 0.1 100
∆V
OUT
< 1LSB
LTC1451
Supply Current vs Temperature
LTC1451 Minimum Supply
Voltage vs Load Current
LTC1453 Minimum Supply
Voltage vs Load Current
TYPICAL PERFORMANCE CHARACTERISTICS
UW
The ● denotes specifications which apply over the full operating
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).
Note 2: Load is 5kΩ in parallel with 100pF.
Note 3: DAC switched between all 1s and the code corresponding to V
OS
for the part, i.e., LTC1451: code 18; LTC1453: code 30.
Note 4: Digital inputs at 0V or V
CC
.
LTC1451/LTC1452 LTC1453
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Digital I/O
V
IH
Digital Input High Voltage ● 2.4 2.0 V
V
IL
Digital Input Low Voltage ● 0.8 0.6 V
V
OH
Digital Output High Voltage I
OUT
= –1mA ● V
CC
– 1.0 V
CC
– 0.7 V
V
OL
Digital Output Low Voltage I
OUT
= 1mA ● 0.4 0.4 V
I
LEAK
Digital Input Leakage V = GND to V
CC
● ±10 ±10 µA
C
IN
Digital Input Capacitance Guaranteed by Design ● 10 10 pF
Not Subject to Test
Switching
t
1
D
IN
Valid to CLK Setup ● 40 60 ns
t
2
D
IN
Valid to CLK Hold ● 00ns
t
3
CLK High Time ● 40 60 ns
t
4
CLK Low Time ● 40 60 ns
t
5
CS/LD Pulse Width ● 50 80 ns
t
6
LSB CLK to CS/LD ● 40 60 ns
t
7
CS/LD Low to CLK ● 20 30 ns
t
8
D
OUT
Output Delay C
LOAD
= 15pF ● 150 220 ns
t
9
CLK Low to CS/LD Low ● 20 30 ns