Datasheet
LTC2439-1
2
24391fa
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
ORDER PART NUMBER
PART MARKING
(Notes 1, 2)
Supply Voltage (V
CC
) to GND.......................– 0.3V to 7V
Analog Input Voltage to GND ....... –0.3V to (V
CC
+ 0.3V)
Reference Input Voltage to GND .. –0.3V to (V
CC
+ 0.3V)
Digital Input Voltage to GND ........ –0.3V to (V
CC
+ 0.3V)
Digital Output Voltage to GND ..... –0.3V to (V
CC
+ 0.3V)
Operating Temperature Range
LTC2439-1C ............................................ 0°C to 70°C
LTC2439-1I ........................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
T
JMAX
= 125°C, θ
JA
= 110°C/W
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
GN PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CH8
CH9
CH10
CH11
CH12
CH13
CH14
CH15
V
CC
COM
REF
+
REF
–
NC
NC
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
SDI
F
O
SCK
SDO
CS
GND
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes) 0.1V ≤ V
REF
≤ V
CC
, –0.5 • V
REF
≤ V
IN
≤ 0.5 • V
REF
, (Note 5) ● 16 Bits
Integral Nonlinearity 4.5V ≤ V
CC
≤ 5.5V, REF
+
= 2.5V, REF
–
= GND, V
INCM
= 1.25V, (Note 6) 0.06 LSB
5V ≤ V
CC
≤ 5.5V, REF
+
= 5V, REF
–
= GND, V
INCM
= 2.5V, (Note 6) ● 0.12 1.25 LSB
REF
+
= 2.5V, REF
–
= GND, V
INCM
= 1.25V, (Notes 6, 15) 0.30 LSB
Offset Error 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 520 µV
GND ≤ IN
+
= IN
–
≤ V
CC
, (Notes 12,15)
Offset Error Drift 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, 10 nV/°C
GND ≤ IN
+
= IN
–
≤ V
CC
Positive Full-Scale Error 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 0.16 1.25 LSB
IN
+
= 0.75REF
+
, IN
–
= 0.25 • REF
+
(Note 15)
Positive Full-Scale Error Drift 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, 0.03 ppm of V
REF
/°C
IN
+
= 0.75REF
+
, IN
–
= 0.25 • REF
+
Negative Full-Scale Error 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, ● 0.16 1.25 LSB
IN
+
= 0.25 • REF
+
, IN
–
= 0.75 • REF
+
(Note 15)
Negative Full-Scale Error Drift 2.5V ≤ REF
+
≤ V
CC
, REF
–
= GND, 0.03 ppm of V
REF
/°C
IN
+
= 0.25 • REF
+
, IN
–
= 0.75 • REF
+
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 3, 4)
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC2439-1CGN
LTC2439-1IGN