Datasheet

2
LTC1666/LTC1667/LTC1668
LTC1666CG
LTC1666IG
T
JMAX
= 110°C, θ
JA
= 100°C/W
ORDER PART
NUMBER
Consult LTC Marketing for parts specified with wider operating temperature ranges.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0 (LSB)
DB14
DB15 (MSB)
CLK
V
DD
DGND
V
SS
COMP2
COMP1
I
OUT A
I
OUT B
LADCOM
AGND
I
REFIN
REFOUT
Supply Voltage (V
DD
)................................................ 6V
Negative Supply Voltage (V
SS
) ............................... –6V
Total Supply Voltage (V
DD
to V
SS
) .......................... 12V
Digital Input Voltage ....................–0.3V to (V
DD
+ 0.3V)
Analog Output Voltage
(I
OUT A
and I
OUT B
) ........ (V
SS
– 0.3V) to (V
DD
+ 0.3V)
PACKAGE/ORDER I FOR ATIO
UU
W
ABSOLUTE AXI U RATI GS
WWWU
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0 (LSB)
NC
NC
NC
NC
DB10
DB11 (MSB)
CLK
V
DD
DGND
V
SS
COMP2
COMP1
I
OUT A
I
OUT B
LADCOM
AGND
I
REFIN
REFOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0 (LSB)
NC
NC
DB12
DB13 (MSB)
CLK
V
DD
DGND
V
SS
COMP2
COMP1
I
OUT A
I
OUT B
LADCOM
AGND
I
REFIN
REFOUT
Power Dissipation............................................. 500mW
Operating Temperature Range
LTC1666C/LTC1667C/LTC1668C ........... 0°C to 70°C
LTC1666I/LTC1667I/LTC1668I.......... –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
(Note 1)
T
JMAX
= 110°C, θ
JA
= 100°C/W T
JMAX
= 110°C, θ
JA
= 100°C/W
LTC1668CG
LTC1668IG
ORDER PART
NUMBER
LTC1667CG
LTC1667IG
ORDER PART
NUMBER