LTC2439-1CGN Linear Technology, LTC2439-1CGN Datasheet - Page 27

• Manufacturer Part Number: LTC2439-1CGN
• Description: IC ADC 16BIT 16CH MCRPWR 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC2439-1CGN

• Number Of Bits: 16
• Sampling Rate (per Second): 6.8
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.150", 3.95mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

.0165 ± .0015
APPLICATIO S I FOR ATIO
.254 MIN
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
PACKAGE DESCRIPTIO
Figure 27. Resolution (Noise
vs Output Data Rate and Temperature
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
30
15
17
16
15
14
13
12
0
Figure 24. Offset Error vs Output
0
0
Data Rate and Temperature
V
REF
REF
V
V
F
RESOLUTION = LOG
V
REF
REF
V
V
F
O
RECOMMENDED SOLDER PAD LAYOUT
O
CC
INCM
IN
CC
INCM
IN
10 20 30 40 50 60 70 80 90 100
10 20 30 40 50 60 70 80 90 100
OUTPUT DATA RATE (READINGS/SEC)
= EXTERNAL OSCILLATOR
OUTPUT DATA RATE (READINGS/SEC)
= EXTERNAL OSCILLATOR
= 0V
+
= 0V
+
–
–
= 5V
= 5V
= 5V
= 5V
= GND
= GND
= 2.5V
= 2.5V
(MILLIMETERS)
INCHES
2
U
(V
T
REF
A
= 25°C
/NOISE
T
T
A
A
RMS
U
= 85°C
= 25°C
T
A
RMS
= 85°C
.150 – .165
.045 ±.005
≤ 1LSB)
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.
)
24361 F24
24361 F27
.0250 TYP
W
(0.191 – 0.249)
.0075 – .0098
U
28-Lead Plastic SSOP (Narrow .150 Inch)
Figure 28. Resolution (INL
vs Output Data Rate and Temperature
420
360
300
240
180
120
18
16
14
12
10
60
0
8
Figure 25. +FS Error vs Output
0
0
(Reference LTC DWG # 05-08-1641)
Data Rate and Temperature
V
REF
REF
IN
IN
F
V
REF
REF
V
–2.5V < V
F
RESOLUTION = LOG
U
O
O
CC
CC
INCM
(0.406 – 1.270)
+
–
10 20 30 40 50 60 70 80 90 100
10 20 30 40 50 60 70 80 90 100
= EXTERNAL OSCILLATOR
.016 – .050
OUTPUT DATA RATE (READINGS/SEC)
= EXTERNAL OSCILLATOR
OUTPUT DATA RATE (READINGS/SEC)
+
–
= 3.75V
+
= 5V
= 1.25V
–
= 5V
= 5V
= GND
= 5V
= GND
= 2.5V
T
A
IN
= 85°C
GN Package
< 2.5V
T
A
= 25°C
0° – 8° TYP
2
(V
(0.38 ± 0.10)
T
.015 ± .004
A
REF
T
= 25°C
A
/INL
= 85°C
MAX
MAX
× 45°
)
≤ 1LSB)
(0.203 – 0.305)
(5.817 – 6.198)
24361 F25
24361 F28
.229 – .244
.008 – .012
(1.351 – 1.748)
.053 – .069
28
1
27
2 3
120
180
240
300
360
420
16
60
Figure 29. Offset Error vs Output
Data Rate and Reference Voltage
8
0
26
0
Figure 26. –FS Error vs Output
0
0
Data Rate and Temperature
25
4
V
REF
V
V
F
T
V
REF
REF
IN
IN
F
O
O
CC
INCM
IN
A
CC
10 20 30 40 50 60 70 80 90 100
24
+
10 20 30 40 50 60 70 80 90 100
–
OUTPUT DATA RATE (READINGS/SEC)
5 6 7
= EXTERNAL OSCILLATOR
= 25°C
= EXTERNAL OSCILLATOR
OUTPUT DATA RATE (READINGS/SEC)
+
= 0V
+
= 1.25V
–
= 3.75V
= 5V
= 5V
(9.804 – 9.982)
23
= GND
= 5V
= GND
= 2.5V
.386 – .393*
(0.635)
.0250
22
BSC
21
8 9 10 11 12
20
LTC2439-1
19 18 17
T
V
A
REF
T
= 85°C
A
= 25°C
= 2.5V
1615
13 14
(0.102 – 0.249)
V
.004 – .009
REF
= 5V
(3.810 – 3.988)
27
.150 – .157**
(0.838)
.033
REF
GN28 (SSOP) 0502
24361 F29
24361 F26
24391fa