LTC1282ACS Ver la hoja de datos (PDF) - Linear Technology
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LTC1282ACS Datasheet PDF : 24 Pages
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LTC1282
A ALOG I PUT (Note 5)
SYMBOL PARAMETER
CONDITIONS
VIN
Analog Input Range (Note 11) 2.7V ≤ VDD ≤ 3.6V (Unipolar Mode)
q
2.7V ≤ VDD ≤ 3.6V, – 3.3V ≤ VSS ≤ – 2.5V (Bipolar Mode) q
IIN
Analog Input Leakage Current CS = High
q
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
During Conversions (Hold Mode)
tACQ
Sample-and-Hold
Commercial
q
Acquisition Time
Military
q
UU
U
I TER AL REFERE CE CHARACTERISTICS (Note 5)
LTC1282A/LTC1282B
MIN TYP MAX
0 to 2.5
± 1.25
±1
63
5
0.45 1.00
1.50
UNITS
V
V
µA
pF
pF
µs
µs
PARAMETER
CONDITIONS
LTC1282A
MIN
TYP
MAX
LTC1282B
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
1.1900
1.200 1.210 1.190 1.200 1.210
V
VREF Output Tempco
IOUT = 0
q
±5
±25
±10
±45 ppm/°C
VREF Line Regulation
2.7V ≤ VDD ≤ 3.6V
– 3.6V ≤ VSS ≤ – 2.7V
0.55
0.55
LSB/V
0.02
0.02
LSB/V
VREF Load Regulation
0V ≤ |IOUT| ≤ 1mA
3
U
U
DIGITAL I PUTS A D DIGITAL OUTPUTS (Note 5)
3
LSB/mA
SYMBOL PARAMETER
CONDITIONS
VIH
High Level Input Voltage
VDD = 3.6V
VIL
Low Level Input Voltage
VDD = 2.7V
IIN
Digital Input Current
VIN = 0V to VDD
CIN
Digital Input Capacitance
VOH
High Level Output Voltage
VDD = 2.7V
IO = – 10µA
IO = – 200µA
VOL
Low Level Output Voltage
VDD = 2.7V
IO = 160µA
IO = 1.6mA
IOZ
High Z Output Leakage D11-D0/8
VOUT = 0V to VDD, CS High
COZ
High Z Output Capacitance D11-D0/8 CS High (Note 12 )
ISOURCE Output Source Current
VOUT = 0V
ISINK
Output Sink Current
VOUT = VDD
WU
POWER REQUIRE E TS (Note 5)
LTC1282A/LTC1282B
MIN TYP MAX
UNITS
q
1.9
V
q
0.45
V
q
±10
µA
5
pF
2.6
V
q
2.3
V
0.05
V
q
0.10 0.4
V
q
±10
µA
q
15
pF
– 4.5
mA
4.5
mA
SYMBOL PARAMETER
VDD
Positive Supply Voltage
VSS
Negative Supply Voltage
IDD
Positive Supply Current
ISS
Negative Supply Current
PD
Power Dissipation
CONDITIONS
(Note 13)
Bipolar Operation (Note 13)
fSAMPLE = 140ksps
fSAMPLE = 140ksps
fSAMPLE = 140ksps
LTC1282A/LTC1282B
MIN TYP MAX
UNITS
2.70
3.60
V
– 2.50
– 3.60
V
q
4
7.8
mA
q
0.03 0.15
mA
q
12
24
mW
3
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