LTC1090CN Linear Technology, LTC1090CN Datasheet - Page 2

• Manufacturer Part Number: LTC1090CN
• Description: IC DATA ACQUIS SYS 10BIT 20-DIP
• Manufacturer: Linear Technology
• Type: Data Acquisition System (DAS), ADCr

Specifications of LTC1090CN

• Resolution (bits): 10 b
• Sampling Rate (per Second): 30k
• Data Interface: Serial
• Voltage Supply Source: Dual ±
• Voltage - Supply: 5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE AXI U RATI GS
Supply Voltage (V
Negative Supply Voltage (V
Voltage:
Power Dissipation .............................................. 500mW
Operating Temperature Range
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
RECO
LTC1090
(Notes 1 and 2)
SYMBOL
V
V
f
f
t
t
t
t
t
t
t
t
2
SCLK
ACLK
CYC
hCS
hDI
suCS
suDI
WHACLK
WLACLK
WHCS
CC
–
Analog and Reference
Inputs .................................... (V
Digital Inputs ......................................... –0.3V to 12V
Digital Outputs .............................. – 0.3V to V
LTC1090AC/LTC1090C ........................–40°C to 85°C
LTC1090AM/LTC1090M (OBSOLETE) ...... –55°C to 125°C
W W
PARAMETER
Positive Supply Voltage
Negative Supply Voltage
Shift Clock Frequency
A/D Clock Frequency
Total Cycle Time
Hold Time, CS Low After Last SCLK ↓
Hold Time, D
Setup Time CS ↓ Before Clocking in First Address Bit (Note 9)
Setup Time, D
ACLK High Time
ACLK Low Time
CS High Time During Conversion
E DED OPERATI G CO DITIO S
U
CC
W
IN
IN
) to GND or V
After SCLK ↑
Stable Before SCLK ↑
W W
–
) ..................... – 6V to GND
– ................................
–
) –0.3V to V
U
U
CC
CC
0.3V
0.3V
12V
U
CONDITIONS
V
V
V
V
See Operating Sequence
V
V
V
V
V
V
V
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature
ranges.
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
–
= 0V
20-LEAD PLASTIC SO WIDE
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
= 5V
DGND
COM
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
U
SW PACKAGE
T
JMAX
T
T
JMAX
JMAX
10
1
2
3
4
5
6
7
8
9
25°C
85°C
125°C
20-LEAD CERDIP
= 150 C
= 150 C,
= 110 C,
Consider the SW or N Package for Alternate Source
J PACKAGE
TOP VIEW
OBSOLETE PACKAGE
JA
JA
JA
= 70 C/W
2 ACLK Cycles
= 70 C/W
= 90 C/W
10 SCLK +
48 ACLK
20-LEAD PDIP
N PACKAGE
20
19
18
17
16
15
14
13
12
11
– 5.5
0.01
0.05
0.25
MIN
150
1µs
400
127
200
4.5
44
0
0
LTC1090/LTC1090A
V
ACLK
SCLK
D
D
CS
REF
REF
V
AGND
CC
IN
OUT
–
+
–
U
ORDER PART
LTC1090ACN
LTC1090CN
LTC1090CSW
LTC1090AMJ
LTC1090MJ
LTC1090ACJ
LTC1090CJ
MAX
W
1.0
2.0
2.0
2.0
NUMBER
10
0
LTC1090 • POI01
UNITS
Cycles
Cycles
U
ACLK
1090fc
MHz
MHz
ns
ns
ns
ns
ns
V
V