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LTC1273ACN Datasheet(PDF) 4 Page - Linear Technology

Part # LTC1273ACN
Description  12-Bit, 300ksps Sampling A/D Converters with Reference
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1273ACN Datasheet(HTML) 4 Page - Linear Technology

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LTC1273
LTC1275/LTC1276
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSAMPLE(MAX)
Maximum Sampling Frequency
(Note 10)
Commercial
q
300
kHz
Military
q
250
kHz
tCONV
Conversion Time
Commercial
q
2.7
µs
Military
q
3.0
µs
t1
CS to RD Setup Time
q
0ns
t2
RD to BUSY Delay
CL = 50pF
80
190
ns
Commercial
q
230
ns
Military
q
270
ns
t3
Data Access Time After RD
↓
CL = 20pF
40
90
ns
Commercial
q
110
ns
Military
q
120
ns
CL = 100pF
50
125
ns
Commercial
q
150
ns
Military
q
170
ns
t4
RD Pulse Width
q
t3
ns
t5
CS to RD Hold Time
q
0ns
t6
Data Setup Time After BUSY
↑
40
70
ns
Commercial
q
90
ns
Military
q
100
ns
DIGITAL I PUTS A D DIGITAL OUTPUTS
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOL
Low Level Output Voltage
VDD = 4.95V
IO = 160µA
0.05
V
IO = 1.6mA
q
0.10
0.4
V
IOZ
High Z Output Leakage D11-D0/8
VOUT = 0V to VDD, CS High
q
±10
µA
COZ
High Z Output Capacitance D11-D0/8
CS High (Note 9 )
q
15
pF
ISOURCE
Output Source Current
VOUT = 0V
– 10
mA
ISINK
Output Sink Current
VOUT = VDD
10
mA
(Note 5)
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Positive Supply Voltage
LTC1273/LTC1276 (Notes 10, 11)
4.95
5.25
V
LTC1275 (Note 10)
4.75
5.25
V
VSS
Negative Supply Voltage
LTC1275 (Note 10)
– 2.45
– 5.25
V
LTC1276 (Notes 10, 11)
– 4.95
– 5.25
V
IDD
Positive Supply Current
q
15
25
mA
ISS
Negative Supply Current
LTC1275/LTC1276
q
0.065
0.200
mA
PD
Power Dissipation
75
mW
TI I G CHARACTERISTICS
POWER REQUIRE E TS
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
(Note 5)
See Timing Characteristics Figures (Note 5)



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