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LTC2439-1 Datasheet(PDF) 2 Page - Linear Technology

Part No. LTC2439-1
Description  8-/16-Channel 16-Bit No Latency Delta-Sigma ADC
Download  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2439-1 Datasheet(HTML) 2 Page - Linear Technology

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LTC2439-1
2
24391f
(Notes 1, 2)
Supply Voltage (VCC) to GND.......................– 0.3V to 7V
Analog Input Voltage to GND ....... – 0.3V to (VCC + 0.3V)
Reference Input Voltage to GND .. – 0.3V to (VCC + 0.3V)
Digital Input Voltage to GND ........ – 0.3V to (VCC + 0.3V)
Digital Output Voltage to GND ..... – 0.3V to (VCC + 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
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
LTC2439-1CGN
LTC2439-1IGN
TJMAX = 125°C, θJA = 110°C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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
VCC
COM
REF+
REF
NC
NC
CH7
CH6
CH5
CH4
CH3
CH2
CH1
CH0
SDI
FO
SCK
SDO
CS
GND
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
0.1V
≤ VREF ≤ VCC, –0.5 • VREF ≤ VIN ≤ 0.5 • VREF, (Note 5)
q
16
Bits
Integral Nonlinearity
4.5V
≤ VCC ≤ 5.5V, REF+ = 2.5V, REF= GND, VINCM = 1.25V, (Note 6)
0.06
LSB
5V
≤ VCC ≤ 5.5V, REF+ = 5V, REF= GND, VINCM = 2.5V, (Note 6)
q
0.12
1.25
LSB
REF+ = 2.5V, REF= GND, VINCM = 1.25V, (Notes 6, 15)
0.30
LSB
Offset Error
2.5V
≤ REF+ ≤ VCC, REF= GND,
q
520
µV
GND
≤ IN+ = IN≤ VCC, (Notes 12,15)
Offset Error Drift
2.5V
≤ REF+ ≤ VCC, REF= GND,
10
nV/
°C
GND
≤ IN+ = IN≤ VCC
Positive Full-Scale Error
2.5V
≤ REF+ ≤ VCC, REF= GND,
q
0.16
1.25
LSB
IN+ = 0.75REF+, IN= 0.25 • REF+ (Note 15)
Positive Full-Scale Error Drift
2.5V
≤ REF+ ≤ VCC, REF= GND,
0.03
ppm of VREF/°C
IN+ = 0.75REF+, IN= 0.25 • REF+
Negative Full-Scale Error
2.5V
≤ REF+ ≤ VCC, REF= GND,
q
0.16
1.25
LSB
IN+ = 0.25 • REF+, IN= 0.75 • REF+ (Note 15)
Negative Full-Scale Error Drift
2.5V
≤ REF+ ≤ VCC, REF= GND,
0.03
ppm of VREF/°C
IN+ = 0.25 • REF+, IN= 0.75 • REF+
Total Unadjusted Error
5V
≤ VCC ≤ 5.5V, REF+ = 2.5V, REF= GND, VINCM = 1.25V
0.20
LSB
5V
≤ VCC ≤ 5.5V, REF+ = 5V, REF= GND, VINCM = 2.5V
0.20
LSB
REF+ = 2.5V, REF= GND, VINCM = 1.25V, (Note 6)
0.25
LSB
Output Noise
5V
≤ VCC ≤ 5.5V, REF+ = 5V, VREF– = GND,
1
µVRMS
GND
≤ IN= IN+ ≤ 5V (Note 12)
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
ELECTRICAL CHARACTERISTICS


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