Pentek 6210 Operating Manual page 156

LTC1451
LTC1452/LTC1453
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL PARAMETER
Digital I/O
V Digital Input High Voltage
IH
V Digital Input Low Voltage
IL
V Digital Output High Voltage
OH
V Digital Output Low Voltage
OL
I Digital Input Leakage
LEAK
C Digital Input Capacitance
IN
Switching
t D Valid to CLK Setup
1 IN
t D Valid to CLK Hold
2 IN
t CLK High Time
3
t CLK Low Time
4
t CS/LD Pulse Width
5
t LSB CLK to CS/LD
6
t CS/LD Low to CLK
7
t D Output Delay
8 OUT
t CLK Low to CS/LD Low
9
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Nonlinearity is defined from the first code that is greater than or
equal to the maximum offset specification to code 4095 (full scale).
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1451 Minimum Supply
Voltage vs Load Current
5.4
∆V
< 1LSB
OUT
5.2
5.0
4.8
4.6
4.4
4.2
4.0
0.0001 0.001 0.01 0.1
LOAD CURRENT (mA)
4
= 25°C. V
A
CONDITIONS
I = – 1mA
OUT
I = 1mA
OUT
V = GND to V
IN CC
Guaranteed by Design
Not Subject to Test
C = 15pF
LOAD
LTC1453 Minimum Supply
Voltage vs Load Current
4.50
∆V
OUT
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
2.25
1 10 100 0.0001 0.001
1451/2/3 G01
The denotes specifications which apply over the full operating
= 5V (LTC1451LTC1452), V
CC
LTC1451/LTC1452
MIN TYP
2.4
V – 1.0
CC
40
0
40
40
50
40
20
20
Note 3: Load is 5kΩ in parallel with 100pF.
Note 4: DAC switched between all 1s and the code corresponding to V
for the part, i.e., LTC1451: code 18; LTC1453: code 30.
Note 5: Digital inputs at 0V or V
< 1LSB
0.01 0.1 100
1 10
LOAD CURRENT (mA)
1451/2/3 G02
= 3V (LTC1453).
CC
LTC1453
MAX MIN TYP
2.0
0.8
V – 0.7
CC
0.4
±10
10
60
0
60
60
80
60
30
150
30
.
CC
LTC1451
Supply Current vs Temperature
450
440
430
420
V = 5.5V
CC
410
400
390
V = 4.5V
CC
380
370
360
350
–55 –25 5 35
TEMPERATURE (°C)
MAX UNITS
V
0.6 V
V
0.4 V
±10 µA
10 pF
ns
ns
ns
ns
ns
ns
ns
220 ns
ns
OS
V = 5V
CC
65 95 125
1451/2/3 G03