LTC1446/LTC1446L
W
U
TYPICAL PERFORMANCE CHARACTERISTICS
LTC1446 Differential Nonlinearity
(DNL)
LTC1446 Integral Nonlinearity (INL)
LTC1446L Differential Nonlinearity
0.5
0.4
0.5
0.4
3
2
0.3
0.3
0.2
0.2
1
0.1
0.1
0
0
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.1
–0.2
–0.3
–0.4
–0.5
–1
–2
–3
0
512 1024 1536 2048 2560 3072 3584 4095
CODE
2560 3072
0
512 1024 1536 2048
CODE
3584 4095
0
512 1024 1536 2048 2560 3072 3584 4095
CODE
1446/46L G01
1446/46L G02
1446/46L G03
LTC1446 Min Supply Headroom for
Full Output Swing vs Load Current
LTC1446L Min Supply Headroom for
Full Output Swing vs Load Current
LTC1446L Integral Nonlinearity
3
0.8
0.6
0.4
0.2
0
1.2
1.0
0.8
0.6
0.4
0.2
0
∆V
< 1LSB
∆V
< 1LSB
OUT
OUT
CODE: ALL 1's
= 2.5V
CODE: ALL 1's
= 4.095V
2
1
V
V
OUT
OUT
0
–1
–2
–3
2560 3072
0
512 1024 1536 2048
CODE
3584 4095
0
10
5
LOAD CURRENT (mA)
15
0
5
10
15
LOAD CURRENT (mA)
1446/46L G04
LTC1446/46L • TPC05
LTC1446/46L • TPC06
LTC1446 Min Output Voltage vs
Output Sink Current
LTC1446 Full-Scale Voltage
vs Temperature
LTC1446 Supply Current
vs Logic Input Voltage
600
500
400
300
200
100
0
3.0
2.6
2.2
1.8
1.4
1.0
0.6
4.11
4.10
4.09
4.08
CODE: ALL 0'S
125°C
25°C
–55°C
4.07
0
5
10
15
–55
–25
5
35
65
95
125
0
1
2
3
4
5
OUTPUT SINK CURRENT (mA)
TEMPERATURE (°C)
LOGIC INPUT VOLTAGE (V)
LTC1446/46L • TPC07
1446/46L G09
1446/46L G09
4
Linear [ Linear ]
