ltc1278-5 Linear Technology Corporation, ltc1278-5 Datasheet - Page 2

• Manufacturer Part Number: ltc1278-5
• Description: 12-bit, 500ksps Sampling A/d Converter With Shutdown
• Manufacturer: Linear Technology Corporation

A
CO
A
SYMBOL PARAMETER
V
I
C
LTC1278
AV
Supply Voltage (V
Negative Supply Voltage (V
Total Supply Voltage (V
Analog Input Voltage (Note 3)
Digital Input Voltage (Note 4)
Digital Output Voltage
Power Dissipation ............................................. 500mW
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Gain Error Tempco
2
IN
IN
IN
BSOLUTE
DD
U
Bipolar Operation Only .......................... – 6V to GND
Bipolar Operation Only ....................................... 12V
Unipolar Operation ................... – 0.3V to V
Bipolar Operation............... V
Unipolar Operation ................................– 0.3V to 12V
Bipolar Operation........................... V
Unipolar Operation ................... – 0.3V to V
Bipolar Operation................ V
LTC1278-4C, LTC1278-5C ..................... 0 C to 70 C
LTC1278-4I ....................................... – 40 C to 85 C
U
A
= DV
LOG
VERTER
Analog Input Range (Note 9)
Analog Input Leakage Current
Analog Input Capacitance
DD
= V
DD
I
(Notes 1, 2)
U
DD
W
PUT
) .............................................. 12V
C
A
HARA TERISTICS
DD
XI
to V
W
SS
(Note 5)
)
CONDITIONS
(Note 7)
(Note 8)
I
OUT(REF)
U
SS
C
SS
SS
W
)
– 0.3V to V
– 0.3V to V
= 0
R
CONDITIONS
4.95V V
4.75V V
CS = High
Between Conversions (Sample Mode)
During Conversions (Hold Mode)
SS
A
TI
– 0.3V to 12V
U
DD
DD
DD
DD
DD
DD
G
+ 0.3V
+ 0.3V
+ 0.3V
+ 0.3V
5.25V (Unipolar)
5.25V, – 5.25V V
S
With Internal Reference (Notes 5, 6)
Consult factory for Military grade parts.
PACKAGE/ORDER I FOR ATIO
D11 (MSB)
SS
DGND
AGND
24-LEAD PDIP
V
N PACKAGE
D10
A
REF
D9
D8
D7
D6
D5
D4
– 2.45V (Bipolar)
T
T
IN
JMAX
JMAX
10
11
12
1
2
3
4
5
6
7
8
9
= 110 C,
= 110 C,
TOP VIEW
24-LEAD PLASTIC SO WIDE
JA
JA
= 100 C/W (N)
= 130 C/W (SW)
SW PACKAGE
MIN
12
24
23
22
21
20
19
18
17
16
15
14
13
LTC1278-4/LTC1278-5
AV
V
BUSY
CS
RD
CONVST
SHDN
DV
D0
D1
D2
D3
SS
DD
DD
MIN
LTC1278-4/LTC1278-5
U
TYP
10
0 to 5
TYP
45
2.5
5
LTC1278-4CN
LTC1278-5CN
LTC1278-4IN
LTC1278-4CSW
LTC1278-5CSW
LTC1278-4ISW
PART NUMBER
W
ORDER
MAX
MAX
15
45
1
1
4
6
1
ppm/ C
UNITS
UNITS
U
LSB
LSB
LSB
LSB
LSB
Bit
pF
pF
V
V
A