LTC1840CGN Linear Technology, LTC1840CGN Datasheet - Page 4

• Manufacturer Part Number: LTC1840CGN
• Description: IC DUAL FAN CONTROLLER 16-SSOP
• Manufacturer: Linear Technology

Specifications of LTC1840CGN

• Applications: Fan Controller
• Number Of Outputs: 2
• Current - Output: 10mA
• Voltage - Supply: 2.7 V ~ 5.75 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Load: -

LTC1840
TYPICAL PERFOR A CE CHARACTERISTICS
4
550
500
450
400
120
100
80
60
40
20
20
15
10
5
0
0
2.5
1
Supply Current vs Supply Voltage
I
at V
I
Full Scale, V
0
T
DACOUT
DACOUT
T
A
T
A
A
= 25 C
= 25 C
= 25 C
CC
1
= 3V to 5V
3.5
FS vs V
AC Supply Rejection at
10
FREQUENCY (kHz)
2
V
CC
DACOUT
V
CC
DACOUT
= 3V DC
4.5
3
(V)
(V)
100
4
5.5
W
5
1840 G01
1840 G07
1840 G04
U
1000
6.5
6
100.10
100.05
100.00
99.95
99.90
99.85
99.80
99.75
450
440
430
420
410
400
390
10
5
0
–50
–50
0.5
Supply Current vs Temperature
(V
I
at V
DAC Zero Scale Error at V
V
DACOUT
T
DACOUT
A
CC
= 25 C
–25
CC
–25
= 3V)
= 3V
1.5
FS vs V
= 1.1V
0
TEMPERATURE ( C)
TEMPERATURE ( C)
0
V
25
DACOUT
DACOUT
25
2.5
50
(V)
50
75
3.5
CC
75
100
= 3V,
1840 G08
1840 G05
1840 G02
100
125
4.5
100.10
100.05
100.00
99.95
99.90
100.5
100.3
100.1
–0.1
–0.2
99.9
99.7
99.5
99.3
99.1
0.2
0.1
0
2.5
1
0
I
V
I
at V
DAC DNL vs Code at V
T
DACOUT
DACOUT
T
T
DACOUT
A
A
A
= 25 C
= 25 C
= 25 C
CC
1
= 5V
3.5
Full Scale vs V
FS vs V
= 1.1V
2
V
DACOUT
V
CODE
CC
DACOUT
4.5
3
(V)
(V)
CC
4
CC
5.5
= 3V
,
5
1840 G09
1840 G03
1840 G06
1840f
255
6.5
6