LTC1278 Просмотр технического описания (PDF) - Linear Technology
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LTC1278 Datasheet PDF : 16 Pages
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LTC1278
ABSOLUTE AXI U RATI GS
AVDD = DVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) .............................................. 12V
Negative Supply Voltage (VSS)
Bipolar Operation Only .......................... – 6V to GND
Total Supply Voltage (VDD to VSS)
Bipolar Operation Only ....................................... 12V
Analog Input Voltage (Note 3)
Unipolar Operation ................... – 0.3V to VDD + 0.3V
Bipolar Operation............... VSS – 0.3V to VDD + 0.3V
Digital Input Voltage (Note 4)
Unipolar Operation ................................– 0.3V to 12V
Bipolar Operation........................... VSS – 0.3V to 12V
Digital Output Voltage
Unipolar Operation ................... – 0.3V to VDD + 0.3V
Bipolar Operation................ VSS – 0.3V to VDD + 0.3V
Power Dissipation ............................................. 500mW
Operating Temperature Range
LTC1278-4C, LTC1278-5C ..................... 0°C to 70°C
LTC1278-4I ....................................... – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
AIN 1
VREF 2
AGND 3
D11(MSB) 4
D10 5
D9 6
D8 7
D7 8
D6 9
D5 10
D4 11
DGND 12
24 AVDD
23 VSS
22 BUSY
21 CS
20 RD
19 CONVST
18 SHDN
17 DVDD
16 D0
15 D1
14 D2
13 D3
N PACKAGE
SW PACKAGE
24-LEAD PDIP 24-LEAD PLASTIC SO WIDE
TJMAX = 110°C, θJA = 100°C/W (N)
TJMAX = 110°C, θJA = 130°C/W (SW)
Consult factory for Military grade parts.
ORDER
PART NUMBER
LTC1278-4CN
LTC1278-5CN
LTC1278-4IN
LTC1278-4CSW
LTC1278-5CSW
LTC1278-4ISW
CO VERTER CHARACTERISTICS With Internal Reference (Notes 5, 6)
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Gain Error Tempco
CONDITIONS
(Note 7)
(Note 8)
IOUT(REF) = 0
LTC1278-4/LTC1278-5
MIN
TYP
MAX
UNITS
q
12
Bit
q
±1
LSB
q
±1
LSB
±4
LSB
q
±6
LSB
± 15
LSB
q
± 10
±45 ppm/°C
A ALOG I PUT (Note 5)
SYMBOL PARAMETER
VIN
Analog Input Range (Note 9)
IIN
Analog Input Leakage Current
CIN
Analog Input Capacitance
CONDITIONS
LTC1278-4/LTC1278-5
MIN TYP MAX
UNITS
4.95V ≤ VDD ≤ 5.25V (Unipolar)
q
4.75V ≤ VDD ≤ 5.25V, – 5.25V ≤ VSS ≤ – 2.45V (Bipolar) q
CS = High
q
0 to 5
V
± 2.5
V
±1
µA
Between Conversions (Sample Mode)
During Conversions (Hold Mode)
45
pF
5
pF
2
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