Datasheet

5
LTC1657/LTC1657L
LTC1657 Differential Nonlinearity
TYPICAL PERFOR A CE CHARACTERISTICS
UW
DIGITAL INPUT CODE
0 16384 32768 49152 65535
DIFFERENTIAL NONLINEARITY (LSB)
1657 G01
2.0
1.6
1.2
0.8
0.4
0
–0.4
–0.8
–1.2
–1.6
–2.0
DIGITAL INPUT CODE
0
–2.0
DIFFERENTIAL NONLINEARITY (LSB)
–1.6
–0.8
–0.4
0
2.0
0.8
16384
32768
49152
1657 G02
–1.2
1.2
1.6
0.4
65535
DIGITAL INPUT CODE
0 16384 32768 49152 65535
INTEGRAL NONLINEARITY (LSB)
1657 G03
5
4
3
2
1
0
–1
–2
–3
–4
–5
DIGITAL INPUT CODE
0
–5
INTEGRAL NONLINEARITY (LSB)
–4
–2
–1
0
5
2
16384
32768
49152
1657 G04
–3
3
4
1
65535
LOAD CURRENT (mA)
0510
V
CC
– V
OUT
(V)
1657 G05
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
CODE ALL 1s
∆V
OUT
≤ 1LSB
V
OUT
= 4.096V
125°C
25°C
–55°C
LOAD CURRENT (mA)
0510
V
CC
– V
OUT
(V)
1657 G06
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
CODE ALL 1s
∆V
OUT
≤ 1LSB
V
OUT
= 2.5V
125°C
25°C
–55°C
OUTPUT SINK CURRENT (mA)
0
51015
OUTPUT PULL-DOWN VOLTAGE (V)
1657 G07
1.2
1.0
0.8
0.6
0.4
0.2
0
CODE ALL 0s
∆V
OUT
≤ 1LSB
125°C
25°C
–55°C
OUTPUT SINK CURRENT (mA)
0
51015
OUTPUT PULL-DOWN VOLTAGE (V)
1657 G08
0.6
0.4
0.2
0
CODE ALL 0s
∆V
OUT
≤ 1LSB
125°C 25°C –55°C
TEMPERATURE (°C)
–55 –25 5 35 65 95 125
FULL-SCALE VOLTAGE (V)
1657 G09
4.110
4.105
4.100
4.095
4.090
4.085
4.080
LTC1657 Integral Nonlinearity
LTC1657L Differential Nonlinearity
LTC1657 Minimum Supply
Headroom for Full Output Swing
vs Load CurrentLTC1657L Integral Nonlinearity
LTC1657 Minimum Output
Voltage vs Output Sink Current
LTC1657L Minimum Supply
Headroom for Full Output Swing
vs Load Current
LTC1657 Full-Scale Voltage
vs Temperature
LTC1657L Minimum Output
Voltage vs Output Sink Current