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LTC1276 Datasheet(PDF) 4 Page - Linear Technology

Part No. LTC1276
Description  12-Bit, 300ksps Sampling A/D Converters with Reference
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1276 Datasheet(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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