Datasheet

4
LTC1456
TYPICAL PERFORMANCE CHARACTERISTICS
UW
CODE
0
–0.5
DNL (LSB)
–0.4
–0.2
–0.1
0
0.5
0.2
1024 2048 2560
1456 G01
–0.3
0.3
0.4
0.1
512 1536 3072 3584 4095
Differential Nonlinearity (DNL)
Minimum Supply Headroom for
Full Output Swing vs Load Current
LOAD CURRENT (mA)
0
0.8
1.0
1.2
15 25
1456 G03
0.6
0.4
510
20 30
0.2
0
V
CC
– V
OUT
(V)
1.4
∆V
OUT
< 1LSB
CODE: ALL 1s
V
OUT
= 4.095V
CODE
0
–2.0
INL ERROR (LSB)
–1.6
–0.8
–0.4
0
2.0
0.8
1024 2048 2560
1456 G02
–1.2
1.2
1.6
0.4
512 1536 3072 3584 4095
Integral Nonlinearity (INL)
Minimum Output Voltage
vs Output Sink Current
OUTPUT SINK CURRENT (mA)
0
0
OUTPUT PULL-DOWN VOLTAGE (mV)
100
300
400
500
700
2
10
14
1456 G04
200
600
8
18
20
4
6
12 16
125°C
25°C
–55°C
Supply Current
vs Logic Input Voltage Output Swing vs Load Resistance
LOAD RESISTANCE (Ω)
10
2.5
OUTPUT SWING (V)
3.0
3.5
4.0
4.5
100 1k 10k
1456 G06
2.0
1.5
0.5
0
1.0
V
CC
R
L
CODE: ALL 0s
LOAD RESISTANCE (Ω)
10
2.5
OUTPUT SWING (V)
3.0
3.5
4.0
4.5
100 1k 10k
1456 G07
2.0
1.5
0.5
0
1.0
R
L
CODE: ALL 1s
Output Swing vs Load Resistance Offset Voltage vs Temperature
TEMPERATURE (°C)
–55
0.3
OFFSET VOLTAGE (mV)
0.4
0.5
0.6
0.7
0.9
–25
53565
1456 G08
95 125
0.8
Supply Current vs Temperature
TEMPERATURE (°C)
–55
SUPPLY CURRENT (µA)
510
530
550
65
1456 G09
490
470
500
520
540
480
460
450
–25
5
35
95
125
V
CC
= 5.5V
V
CC
= 4.5V
V
CC
= 5V
LOGIC INPUT VOLTAGE (V)
0
SUPPLY CURRENT (mA)
1.210
1.480
1.750
4
1456 G05
0.940
0.670
1.075
1.345
1.615
0.805
0.535
0.400
1
2
3
0.5 4.5
1.5
2.5
3.5
5
ALL DIGITAL INPUTS
TIED TOGETHER