LTC1664 Linear Technology, LTC1664 Datasheet - Page 5

• Manufacturer Part Number: LTC1664
• Description: Micropower Quad 10-Bit DAC
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
1400
1200
1000
800
600
400
200
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
3
2
0
–30
0
Midscale Output Voltage
vs Load Current
Minimum V
Load Current (Output Sinking)
V
CODE = 0
V
CODE = 512
CC
REF
= 5V
–20
= V
2
CC
SOURCE
I
–10
OUT
OUT
V
V
V
4
I
CC
CC
CC
OUT
(mA) (Sinking)
vs
= 5.5V
= 5V
= 4.5V
0
(mA)
6
SINK
10
W
8
20
125 C
25 C
–55 C
1664 G01
1664 G04
U
30
10
–0.5
–1.5
1.5
0.5
–1
–2
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
2
1
0
5
4
3
2
1
0
–500
2
1
–15
0
Large-Signal Step Response
Load Regulation vs Output Current
Midscale Output Voltage
vs Load Current
V
CODE = 512
V
CODE = 512
CC
REF
–12
= V
= V
20
REF
SOURCE
– 8
CC
= 3V
V
V
CC
CC
SOURCE
– 4
40
= 3.6V
= 3V
V
TIME ( s)
I
CC
OUT
I
OUT
= 2.7V
0
( A)
0
(mA)
60
SINK
SINK
V
4
CC
10% TO
90% STEP
= V
8
80
REF
1664 G10
= 5V
1664 G05
12 15
1664 G02
100
500
1400
1200
1000
800
600
400
200
–0.5
–1.5
1.5
0.5
–1
–2
0
2
1
0
0
–2
Minimum Supply Headroom vs
Load Current (Output Sourcing)
Load Regulation vs Output Current
V
CODE = 1023
V
CODE = 512
REF
V
CC
OUT
= V
= 4.096V
< 1LSB
2
REF
SOURCE
–1
I
= 5V
OUT
4
(mA) (Sourcing)
I
OUT
0
LTC1664
(mA)
6
SINK
1
8
125 C
25 C
–55 C
1664 G09
1664 G03
5
10
2