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