Datasheet

LTC2439-1
27
24391fa
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
OFFSET ERROR (LSB)
24361 F24
30
15
0
T
A
= 85°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
INCM
= 2.5V
V
IN
= 0V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
+FS ERROR (LSB)
24361 F25
420
360
300
240
180
120
60
0
T
A
= 85°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 3.75V
IN
–
= 1.25V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
–FS ERROR (LSB)
24361 F26
0
60
120
180
240
300
360
420
T
A
= 85°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
IN
+
= 1.25V
IN
–
= 3.75V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
RESOLUTION (BITS)
24361 F27
17
16
15
14
13
12
T
A
= 85°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
INCM
= 2.5V
V
IN
= 0V
F
O
= EXTERNAL OSCILLATOR
RESOLUTION = LOG
2
(V
REF
/NOISE
RMS
)
T
A
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
RESOLUTION (BITS)
24361 F28
18
16
14
12
10
8
T
A
= 85°C
V
CC
= 5V
REF
+
= 5V
REF
–
= GND
V
INCM
= 2.5V
–2.5V < V
IN
< 2.5V
F
O
= EXTERNAL OSCILLATOR
RESOLUTION = LOG
2
(V
REF
/INL
MAX
)
T
A
= 25°C
OUTPUT DATA RATE (READINGS/SEC)
0 102030405060708090100
OFFSET ERROR (LSB)
24361 F29
16
8
0
V
REF
= 5V
V
CC
= 5V
REF
+
= GND
V
INCM
= 2.5V
V
IN
= 0V
F
O
= EXTERNAL OSCILLATOR
T
A
= 25°C
V
REF
= 2.5V
Figure 24. Offset Error vs Output
Data Rate and Temperature
Figure 25. +FS Error vs Output
Data Rate and Temperature
Figure 26. –FS Error vs Output
Data Rate and Temperature
Figure 27. Resolution (Noise
RMS
≤ 1LSB)
vs Output Data Rate and Temperature
Figure 28. Resolution (INL
MAX
≤ 1LSB)
vs Output Data Rate and Temperature
Figure 29. Offset Error vs Output
Data Rate and Reference Voltage
U
PACKAGE DESCRIPTIO
GN Package
28-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
.150 – .157**
(3.810 – 3.988)
.386 – .393*
(9.804 – 9.982)
GN28 (SSOP) 0502
12
3
4
5
6
7
8 9 10 11 12
.229 – .244
(5.817 – 6.198)
202122232425262728
19
18
17
13 14
16
15
.016 – .050
(0.406 – 1.270)
.015
± .004
(0.38 ± 0.10)
× 45°
0° – 8° TYP
.0075 – .0098
(0.191 – 0.249)
.053 – .069
(1.351 – 1.748)
.008 – .012
(0.203 – 0.305)
.004 – .009
(0.102 – 0.249)
.0250
(0.635)
BSC
.033
(0.838)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150 – .165
.0250 TYP.0165 ± .0015
.045 ±.005
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
APPLICATIO S I FOR ATIO
WUUU
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.