LTC1290DISW#TR Linear Technology, LTC1290DISW#TR Datasheet - Page 4

• Manufacturer Part Number: LTC1290DISW#TR
• Description: IC DATA ACQ SYS 12BIT 5V 20SOIC
• Manufacturer: Linear Technology
• Type: Data Acquisition System (DAS), ADCr

Specifications of LTC1290DISW#TR

• Resolution (bits): 12 b
• Sampling Rate (per Second): 50k
• Data Interface: Serial, Parallel
• Voltage Supply Source: Dual ±
• Voltage - Supply: ±5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC CHARACTERISTICS
LTC1290
otherwise specifications are at T
SYMBOL
f
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
4
SCLK
ACLK
ACC
SMPL
CONV
CYC
dDO
dis
en
hCS
hDI
hDO
f
r
suDI
suCS
WHCS
IN
PARAMETER
Shift Clock Frequency
A/D Clock Frequency
Delay Time from CS↓ to D
Analog Input Sample Time
Conversion Time
Total Cycle Time
Delay Time, SCLK↓ to D
Delay Time, CS↑ to D
Delay Time, 2nd ACLK↓ to D
Hold Time, CS After Last SCLK↓
Hold Time, D
Time Output Data Remains Valid After SCLK↓
D
D
Setup Time, D
Setup Time, CS↓ Before Clocking in
First Address Bit
CS High Time During Conversion
Input Capacitance
OUT
OUT
Fall Time
Rise Time
IN
IN
After SCLK↑
Stable Before SCLK↑
OUT
A
OUT
Hi-Z
= 25°C. (Note 3)
OUT
Data Valid
OUT
Data Valid
Enabled
The
●
denotes the specifications which apply over the full operating temperature range,
CONDITIONS
V
V
(Note 9)
See Operating Sequence
See Operating Sequence
See Operating Sequence (Note 6)
See Test Circuits LTC1290BC, LTC1290CC
See Test Circuits
See Test Circuits
V
V
See Test Circuits
See Test Circuits
V
(Notes 6, 9)
V
Analog Inputs On Channel
Analog Inputs Off Channel
Digital Inputs
CC
CC
CC
CC
CC
CC
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
= 5V (Note 6)
LTC1290DC, LTC1290BI
LTC1290CI, LTC1290DI
LTC1290BM, LTC1290CM
LTC1290DM
(OBSOLETE)
●
●
●
●
●
●
LTC1290B/LTC1290C/LTC1290D
(Note 10)
12 SCLK +
56 ACLK
+ 100ns
MIN
2 ACLK Cycles
50
50
52
0
0
TYP
130
180
130
100
52
70
50
65
25
2
7
5
5
MAX
220
270
100
200
130
2.0
4.0
50
UNITS
Cycles
Cycles
Cycles
Cycles
Cycles
ACLK
SCLK
ACLK
ACLK
1290fe
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
pF