Datasheet

LTC1662
5
1662fa
typical perFormance characteristics
Integral Nonlinearity (INL) Differential Nonlinearity (DNL)
Supply Current vs Temperature
Total Supply-Plus-Reference
Operating Current
Supply Current
vs Clock Frequency
Supply Current
vs Logic Input Voltage
Integral Nonlinearity (INL)
vs Reference Voltage
Differential Nonlinearity (DNL)
vs Reference Voltage Offset Voltage vs Temperature
TEMPERATURE (°C)
–55 –35 –15 5 25 45 65 85 105 125
I
CC
(µA)
1662 G01
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
REF
= V
CC
CODE = 1023
5.5V 4.5V
3.6V V
CC
= 2.7V
TEMPERATURE (°C)
–55 –35 –15 5 25 45 65 85 105 125
I
CC
+ I
REF
(µA)
1662 G02
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
REF
= V
CC
CODE = 1023
5.5V
V
CC
= 2.7V
4.5V
3.6V
FREQUENCY (Hz)
10
I
CC
(µA)
100
10 100 1k 10k 100k 1M 10M 100M
1662 G03
1
1000
V
CC
= 5V
V
CC
= 3V
CS/LD = LOGIC LOW
CODE = 0
LOGIC INPUT VOLTAGE (V)
0 1.5 1 1.5 2 2.5 3 3.5 4 4.5 5
I
CC
(mA)
1662 G04
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
V
CC
= 5V
ALL DIGITAL INPUTS
SHORTED TOGETHER
CODE
0 256 512 768 1023
INTEGRAL NONLINEARITY (LSB)
1662 G05
4
3
2
1
0
–1
–2
–3
–4
CODE
0 256 512 768 1023
DIFFERENTIAL NONLINEARITY (LSB)
1662 G06
0.60
0.40
0.20
0
–0.20
–0.40
–0.60
0.75
–0.75
V
REF
(V)
0 1 2 3 4 5 6
PEAK INL (LSB)
1662 G07
4
3
2
1
0
–1
–2
–3
–4
V
CC
= 5.5V
MAX POS INL
MAX NEG INL
PEAK DNL (LSB)
1662 G08
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
V
CC
= 5.5V
V
REF
(V)
0 1 2 3 4 5 6
MAX POS DNL
MAX NEG DNL
TEMPERATURE (°C)
–55
–35 –15 5 25 45 65 85 105
OFFSET ERROR (mV)
1662 G09
0
–1
–2
–3
–4
–5
V
CC
= 5V
V
REF
= 4.096V