Datasheet

5
LTC1655/LTC1655L
TYPICAL PERFORMANCE CHARACTERISTICS
UW
DIGITAL INPUT CODE
0
DIFFERENTIAL NONLINEARITY (LSB)
65,535
1655/55L G01
16,384
32,768
49,152
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
TC1655 Differential Nonlinearity
LOAD CURRENT (mA)
0
V
CC
– V
OUT
(V)
1.2
1.0
0.8
0.6
0.4
0.2
0
1655/55L G03
5
10
15
125°C
25°C
–55°C
∆V
OUT
< 1LSB
V
OUT
= 4.096V
CODE: ALL 1’s
DIGITAL INPUT CODE
0
INTEGRAL NONLINEARITY (LSB)
65,535
1655/55L G02
16,384
32,768
49,152
10
8
6
4
2
0
–2
–4
–6
–8
–10
LTC1655 Integral Nonlinearity
LTC1655 Minimum Supply
Headroom for Full Output Swing
vs Load Current
V
CC
= 5V (LTC1655), V
CC
= 3V (LTC1655L) unless otherwise noted.
LTC1655L Differential Nonlinearity
LTC1655L Integral Nonlinearity
LTC1655L Minimum Supply
Headroom for Full Output Swing
vs Load Current
DIGITAL INPUT CODE
0
DIFFERENTIAL NONLINEARITY (LSB)
65,535
1655/55L G01a
16,384
32,768
49,152
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
DIGITAL INPUT CODE
128
INTEGRAL NONLINEARITY (LSB)
65,535
1655/55L G02a
16,480
32,832
49,184
10
8
6
4
2
0
–2
–4
–6
–8
–10
LOAD CURRENT (mA)
0
V
CC
– V
OUT
(V)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1655/55L G03a
5
10
15
∆V
OUT
< 1LSB
V
OUT
= 2.5V
CODE: ALL 1’s
125°C
25°C
–55°C