LTC1661 Linear Technology, LTC1661 Datasheet - Page 5

• Manufacturer Part Number: LTC1661
• Description: Micropower Dual 10-Bit DAC in MSOP
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
TI I G DIAGRA
–0.5
–1.5
W
1.5
0.5
–1
–2
CS/LD
2
1
0
–2
SCK
D
Load Regulation vs
Output Current
U
IN
V
CODE = 512
CC
= V
1.0
0.8
0.6
0.4
0.2
REF
SOURCE
–1
0
0
Supply Current vs
Logic Input Voltage
= 5V
I
OUT
t
5
1
0
(mA)
LOGIC INPUT VOLTAGE (V)
t
SINK
9
2
W
W
1
ALL DIGITAL INPUTS
SHORTED TOGETHER
1661 G07
3
U
t
7
2
t
1
4
A3
t
2
1661 G10
–0.5
–1.5
1.5
0.5
–1
–2
5
2
1
0
–500
Load Regulation vs
Output Current
V
CODE = 512
CC
A2
= V
SOURCE
REF
t
3
= 3V
I
OUT
t
0
4
( A)
A1
SINK
1661 G08
150
140
130
120
110
100
90
80
70
60
50
–55 –35 –15
500
Supply Current vs Temperature
X1
V
CODE = 1023
REF
= V
CC
5
4
3
2
1
0
TEMPERATURE ( C)
0
V
V
V
V
5
Large-Signal Step Response
CODE = 102
CC
CC
CC
CC
= 5.5V
= 4.5V
= 3.6V
= 2.7V
25
X0
20
45
t
6
CODE = 922
65
40
TIME ( s)
1661 TD
85 105 125
t
11
LTC1661
1661 G11
60
V
CC
= V
90% STEP
10% TO
80
REF
= 5V
1661 G09
5
100