Linear Technology LTC1418CG, LOW POWER 14-BIT ADC SERIAL/PARALLEL INTERFACE DC178A DC178A Data Sheet
Product codes
DC178A
2
LTC1418
ABSOLUTE
M
AXI
M
U
M
RATINGS
W
W
W
U
(Notes 1, 2)
Supply Voltage (V
DD
) ................................................. 6V
Negative Supply Voltage (V
SS
)
Bipolar Operation Only ........................... – 6V to GND
Total Supply Voltage (V
DD
to V
SS
)
Bipolar Operation Only ....................................... 12V
Analog Input Voltage (Note 3)
Unipolar Operation .................. – 0.3V to (V
DD
+ 0.3V)
Bipolar Operation........... (V
SS
– 0.3V) to (V
DD
+ 0.3V)
Digital Input Voltage (Note 4)
Unipolar Operation ................................ – 0.3V to 10V
Bipolar Operation.........................(V
Bipolar Operation.........................(V
SS
– 0.3V) to 10V
Digital Output Voltage
Unipolar Operation .................. – 0.3V to (V
DD
+ 0.3V)
Bipolar Operation........... (V
SS
– 0.3V) to (V
DD
+ 0.3V)
Power Dissipation .............................................. 500mW
Operation Temperature Range
Operation Temperature Range
LTC1418C................................................ 0
°
C to 70
°
C
LTC1418I ............................................ – 40
°
C to 85
°
C
Storage Temperature Range ................. – 65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec).................. 300
°
C
PACKAGE/ORDER I
N
FOR
M
ATIO
N
W
U
U
ORDER PART
NUMBER
Consult factory for Military grade parts.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
N PACKAGE
28-LEAD NARROW PDIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A
IN
+
A
IN
–
V
REF
REFCOMP
AGND
D13 (MSB)
D12
D11
D10
D9
D8
D7
D6
DGND
V
DD
V
SS
BUSY
CS
CONVST
RD
SHDN
SER/PAR
D0 (EXT/INT)
D1 (D
OUT
)
D2 (CLKOUT)
D3 (SCLK)
D4 (EXTCLKIN)
D5
LTC1418ACG
LTC1418ACN
LTC1418AIG
LTC1418AIN
LTC1418CG
LTC1418CN
LTC1418IG
LTC1418IN
LTC1418ACN
LTC1418AIG
LTC1418AIN
LTC1418CG
LTC1418CN
LTC1418IG
LTC1418IN
C
C
HARA TERISTICS
CO
U
VERTER
LTC1418
LTC1418A
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
●
13
14
Bits
Integral Linearity Error
(Note 7)
●
±
0.8
±
2
±
0.5
±
1.25
LSB
Differential Linearity Error
●
±
0.7
±
1.5
±
0.35
±
1
LSB
Offset Error
(Note 8)
●
±
5
±
20
±
2
±
10
LSB
Full-Scale Error
Internal Reference
±
10
±
60
±
20
±
60
LSB
External Reference = 2.5V
±
5
±
30
±
5
±
15
LSB
Full-Scale Tempco
I
OUT(REF)
= 0, Internal Reference, Commercial
●
±
15
±
10
±
45
ppm/
°
C
I
OUT(REF)
= 0, Internal Reference, Industrial
±
20
ppm/
°
C
I
OUT(REF)
= 0, External Reference
±
5
±
1
ppm/
°
C
With internal reference (Notes 5, 6) unless otherwise noted.
PUT
U
I
A
A
U
LOG
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IN
Analog Input Range (Note 9)
4.75V
≤
V
DD
≤
5.25V (Unipolar)
●
0 to 4.096
V
4.75V
≤
V
DD
≤
5.25V, – 5.25V
≤
V
SS
≤
– 4.75V (Bipolar)
●
±
2.048
V
I
IN
Analog Input Leakage Current
CS = High
●
±
1
µ
A
C
IN
Analog Input Capacitance
Between Conversions (Sample Mode)
25
pF
During Conversions (Hold Mode)
5
pF
t
ACQ
Sample-and-Hold Acquisition Time
Commercial
●
300
1000
ns
Industrial
●
300
1000
ns
(Note 5)
T
JMAX
= 110
°
C,
θ
JA
= 95
°
C/ W (G)
T
JMAX
= 110
°
C,
θ
JA
= 100
°
C/ W (N)