Datasheet

5
LTC1821
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SUPPLY VOLTAGE (V)
0
0
LOGIC THRESHOLD (V)
0.5
1.0
1.5
2.0
3.0
1
234
1821 G07
576
2.5
DIGITAL INPUT CODE
0
–1.0
INTEGRAL NONLINEARITY (LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
16384
32768
1821 G08
–0.6
0.6
0.8
0.2
49152
65535
DIGITAL INPUT CODE
0
–1.0
DIFFERENTIAL NONLINEARITY (LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
16384
32768
1821 G09
–0.6
0.6
0.8
0.2
49152
65535
REFERENCE VOLTAGE (V)
–10
INTEGRAL NONLINEARITY (LSB)
0.2
0.6
1.0
6
1821 G10
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
–6
–2
2
–8 8
–4
0
4
10
REFERENCE VOLTAGE (V)
–10
INTEGRAL NONLINEARITY (LSB)
0.2
0.6
1.0
6
1821 G11
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
–6
–2
2
–8 8
–4
0
4
10
REFERENCE VOLTAGE (V)
–10
DIFFERENTIAL NONLINEARITY (LSB)
0.2
0.6
1.0
6
1821 G12
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
–6
–2
2
–8 8
–4
0
4
10
REFERENCE VOLTAGE (V)
–10
DIFFERENTIAL NONLINEARITY (LSB)
0.2
0.6
1.0
6
1821 G13
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
–6
–2
2
–8 8
–4
0
4
10
SUPPLY VOLTAGE (V)
–1.0
INTEGRAL NONLINEARITY (LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
2
4
5
1821 G14
–0.6
0.6
0.8
0.2
3
6
7
V
REF
= 10V
V
REF
= 10V
V
REF
= 2.5V
V
REF
= 2.5V
SUPPLY VOLTAGE (V)
INTEGRAL NONLINEARITY (LSB)
–2.0
–1.0
– 0.5
0
2.0
1.0
2
4
5
1821 G15
–1.5
1.5
0.5
3
6
7
V
REF
= 10V
V
REF
= 10V
V
REF
= 2.5V
V
REF
= 2.5V
Logic Threshold vs V
CC
Supply
Voltage
Integral Nonlinearity (INL) Differential Nonlinearity (DNL)
Integral Nonlinearity vs Reference
Voltage in Unipolar Mode
Integral Nonlinearity vs Reference
Voltage in Bipolar Mode
Differential Nonlinearity vs
Reference Voltage in Unipolar Mode
Differential Nonlinearity vs
Reference Voltage in Bipolar Mode
Integral Nonlinearity vs V
CC
Supply
Voltage in Unipolar Mode
Integral Nonlinearity vs V
CC
Supply
Voltage in Bipolar Mode