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LTC1273ACSW 数据表(PDF) 4 Page - Linear Technology

部件名 LTC1273ACSW
功能描述  12-Bit, 300ksps Sampling A/D Converters with Reference
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1273ACSW 数据表(HTML) 4 Page - Linear Technology

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LTC1273
LTC1275/LTC1276
127356fa
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
●
2.4
V
VIL
Low Level Input Voltage
VDD = 4.95V
●
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
●
±10
µA
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
VDD = 4.95V
IO = – 10µA
4.7
V
IO = – 200µA
●
4.0
V
VOL
Low Level Output Voltage
VDD = 4.95V
IO = 160µA
0.05
V
IO = 1.6mA
●
0.10
0.4
V
IOZ
High Z Output Leakage D11-D0/8
VOUT = 0V to VDD, CS High
●
±10
µA
COZ
High Z Output Capacitance D11-D0/8
CS High (Note 9 )
●
15
pF
ISOURCE
Output Source Current
VOUT = 0V
– 10
mA
ISINK
Output Sink Current
VOUT = VDD
10
mA
DIGITAL I PUTS A D DIGITAL OUTPUTS The ● denotes the specifications which apply over the
full operating temperature range, otherwise specfications are at TA = 25°C. (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
●
15
25
mA
ISS
Negative Supply Current
LTC1275/LTC1276
●
0.065
0.200
mA
PD
Power Dissipation
75
mW
POWER REQUIRE E TS The ● denotes the specifications which apply over the full operating temperature
range, otherwise specfications are at TA = 25°C. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSAMPLE(MAX)
Maximum Sampling Frequency
(Note 10)
Commercial
●
300
kHz
Military
●
250
kHz
tCONV
Conversion Time
Commercial
●
2.7
µs
Military
●
3.0
µs
t1
CS to RD Setup Time
●
0ns
t2
RD to BUSY Delay
CL = 50pF
80
190
ns
Commercial
●
230
ns
Military
●
270
ns
TI I G CHARACTERISTICS
LTC1273A/LTC1275A/LTC1276A
LTC1273B/LTC1275B/LTC1276B
The
● denotes the specifications which apply over the full operating temperature
range, otherwise specfications are at TA = 25°C. See Timing Characteristics Figures (Note 5)



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