Datasheet

LTC1664
5
1664fa
typical perFormance characteristics
Supply Current vs TemperatureDifferential Nonlinearity (DNL)Integral Nonlinearity (INL)
Large-Signal Step Response
Load Regulation vs Output Current
Mid-Scale Output Voltage
vs Load Current
Mid-Scale Output Voltage
vs Load Current
Supply Current vs Logic Input
Voltage
Load Regulation vs Output Current
CODE
0 256 512 768 1023
LSB
1664 G01
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
V
CC
= 5V
V
REF
= 4.096V
CODE
0 256 512 768 1023
LSB
1664 G02
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
V
CC
= 5V
V
REF
= 4.096V
TEMPERATURE (°C)
–55 –35 –15 5 45 85
SUPPLY CURENT (µA)
25
300
280
260
240
220
200
180
160
1664 G03
12510565
V
CC
= 5.5V
V
REF
= V
CC
CODE = 1023
V
CC
= 4.5V
V
CC
= 3.6V
V
CC
= 2.7V
I
OUT
(mA)
–2 –1 0 1 2
∆V
OUT
(LSB)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
1664 G04
V
CC
= V
REF
= 5V
CODE = 512
SINKSOURCE
I
OUT
(µA)
–500 0 500
∆V
OUT
(LSB)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
1664 G05
SINKSOURCE
V
CC
= V
REF
= 3V
CODE = 512
TIME (µs)
0 20 40 60 80 100
V
OUT
(V)
1664 G06
5
4
3
2
1
0
10% TO
90% STEP
V
CC
= V
REF
= 5V
I
OUT
(mA)
–30 –20 –10 0 10 20 30
V
OUT
(V)
1664 G07
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
V
CC
= 4.5V
V
CC
= 5V
V
CC
= 5.5V
V
REF
= V
CC
CODE = 512
SINKSOURCE
I
OUT
(mA)
–15 –4–8–12 0 4 8 12 15
V
OUT
(V)
1664 G08
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
V
CC
= 2.7V
V
CC
= 3V
V
CC
= 3.6V
V
REF
= V
CC
CODE = 512
SINKSOURCE
LOGIC INPUT VOLTAGE (V)
0
SUPPLY CURRENT (mA)
1.2
1.0
0.8
0.6
0.4
0.2
0
1 2 3 4
1664 G09
5
ALL DIGITAL INPUTS
SHORTED TOGETHER