LTC1279 Просмотр технического описания (PDF) - Linear Technology
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LTC1279 Datasheet PDF : 16 Pages
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LTC1279
ABSOLUTE AXI U RATI GS
AVDD = DVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) ................................................ 7V
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..................... – 0.3V to VDD + 0.3V
Power Dissipation ............................................. 500mW
Operating Temperature Range
LTC1279C............................................... 0°C to 70°C
LTC1279I ........................................... – 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
SW PACKAGE
24-LEAD PLASTIC SO WIDE
TJMAX = 110°C, θJA = 130°C/W
ORDER
PART NUMBER*
LTC1279CSW
LTC1279ISW
*Consult factory for plastic DIP package.
Consult factory for Military grade parts.
CO VERTER CHARACTERISTICS With Internal Reference (Notes 5, 6)
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Bipolar Offset Error
Unipolar Offset Error
Gain Error
Gain Error Tempco
CONDITIONS
(Note 7)
(Note 8)
IOUT(REF) = 0
MIN TYP MAX UNITS
q 12
Bits
q
±1
LSB
q
±1
LSB
±4
LSB
q
±6
LSB
±6
LSB
q
±8
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
4.95V ≤ VDD ≤ 5.25V (Unipolar)
4.75V ≤ VDD ≤ 5.25V, – 5.25V ≤ VSS ≤ – 2.45V (Bipolar)
CS = High
Between Conversions (Sample Mode)
During Conversions (Hold Mode)
MIN
q
q
q
TYP MAX
0 to 5
±2.5
±1
25
5
UNITS
V
V
µA
pF
pF
2
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