LTC1282AC View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1282AC' PDF : 24 Pages View PDF
LTC1282
A ALOG I PUT (Note 5)
SYMBOL PARAMETER
CONDITIONS
LTC1282A/LTC1282B
MIN TYP MAX
VIN
Analog Input Range (Note 11) 2.7V ≤ VDD ≤ 3.6V (Unipolar Mode)
3V ≤ VDD ≤ 3.6V, – 3.3V ≤ VSS ≤ – 2.5V (Bipolar Mode)
IIN
Analog Input Leakage Current CS = High
q
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
During Conversions (Hold Mode)
0 to 2.5
± 1.25
±1
63
5
tACQ
Sample-and-Hold
Commercial
q
Acquisition Time
Military
q
UU
U
I TER AL REFERE CE CHARACTERISTICS (Note 5)
0.45 1.14
1.5
PARAMETER
CONDITIONS
LTC1282A
MIN
TYP
MAX
VREF Output Voltage
IOUT = 0
1.1900
1.200 1.210
VREF Output Tempco
IOUT = 0
q
±5
±25
VREF Line Regulation
2.7V ≤ VDD ≤ 3.6V
0.55
– 3.6V ≤ VSS ≤ – 2.7V
0.02
U VREF Load Regulation
U 0V ≤ |IOUT| ≤ 1mA
3
DIGITAL I PUTS A D DIGITAL OUTPUTS (Note 5)
MIN
1.190
LTC1282B
TYP
1.200
±10
0.55
0.02
3
MAX
1.210
±45
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
WU
VOUT = VDD
POWER REQUIRE E TS (Note 5)
LTC1282A/LTC1282B
MIN TYP MAX
q
1.9
q
0.45
q
±10
5
2.6
q
2.3
0.05
q
0.10 0.4
q
±10
q
15
– 4.5
4.5
SYMBOL PARAMETER
VDD
Positive Supply Voltage
VSS
Negative Supply Voltage
IDD
Positive Supply Current
ISS
Negative Supply Current
PD
Power Dissipation
CONDITIONS
Unipolar Mode (Note 13)
Bipolar Mode (Note 13)
Bipolar Operation (Note 13)
fSAMPLE = 140ksps
fSAMPLE = 140ksps
fSAMPLE = 140ksps
LTC1282A/LTC1282B
MIN TYP MAX
2.7
3.6
3.0
3.6
– 3.6
– 2.5
q
4
7.8
q
0.03 0.15
q
12
24
UNITS
V
V
µA
pF
pF
µs
µs
UNITS
V
ppm/°C
LSB/V
LSB/V
LSB/mA
UNITS
V
V
µA
pF
V
V
V
V
µA
pF
mA
mA
UNITS
V
V
V
mA
mA
mW
3
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