Supply Voltage (VCC) ........................." />
參數(shù)資料
型號： DC1012A-A
廠商： Linear Technology
文件頁數(shù)： 12/34頁
文件大小： 0K
描述： BOARD DELTA SIGMA ADC LTC2499
軟件下載： QuikEval System
設(shè)計資源： DC1012A Schematic
DC1012A Design File
標(biāo)準(zhǔn)包裝： 1
系列： Easy Drive™, QuikEval™
ADC 的數(shù)量： 1
位數(shù)： 24
采樣率（每秒）： 7.5
數(shù)據(jù)接口： I²C，串行
已用 IC / 零件： LTC2499
已供物品： 板
相關(guān)產(chǎn)品： LTC2499CUHF#TRPBF-ND - IC ADC 24BIT DELTA SIG 38-QFN
LTC2499IUHF#TRPBF-ND - IC ADC 24BIT DELTA SIG 38-QFN
LTC2499IUHF#PBF-ND - IC ADC 24BIT DELTA SIG 38-QFN
LTC2499CUHF#PBF-ND - IC ADC 24BIT DELTA SIG 38-QFN
LTC2499
2499fd
absolute MaxiMuM ratings
Supply Voltage (VCC) ...................................–0.3V to 6V
Analog Input Voltage
(CH0-CH15, COM) ....................–0.3V to (VCC + 0.3V)
REF+, REF–...............................–0.3V to (VCC + 0.3V)
ADCINN, ADCINP, MUXOUTP,
MUXOUTN ................................–0.3V to (VCC + 0.3V)
Digital Input Voltage......................–0.3V to (VCC + 0.3V)
Digital Output Voltage ...................–0.3V to (VCC + 0.3V)
Operating Temperature Range
LTC2499C ................................................ 0°C to 70°C
LTC2499I..............................................–40°C to 85°C
Storage Temperature Range...................–65°C to 150°C
(Notes 1, 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
0.1V ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5)
24
Bits
Integral Nonlinearity
5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6)
2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6)
l
2
1
10
ppm of VREF
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 13)
l
0.5
2.5
V
Offset Error Drift
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC
10
nV/°C
Positive Full-Scale Error
2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF
l
25
ppm of VREF
Positive Full-Scale Error Drift
2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF
0.1
ppm of VREF/°C
Negative Full-Scale Error
2.5V ≤ VREF ≤ VCC, IN+ = 0.25VREF, IN– = 0.75VREF
l
25
ppm of VREF
Negative Full-Scale Error Drift
2.5V ≤ VREF ≤ VCC, IN+ = 0.25VREF, IN– = 0.75VREF
0.1
ppm of VREF/°C
pin conFiguration
13 14 15 16
TOP VIEW
39
UHF PACKAGE
38-LEAD (5mm 7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
GND
SCL
SDA
GND
NC
GND
COM
CH0
CH1
CH2
CH3
CH4
GND
REF–
REF+
VCC
MUXOUTN
ADCINN
ADCINP
MUXOUTP
CH15
CH14
CH13
CH12
CA2
CA1
CA0
f O
GND
CH5
CH6
CH7
CH8
CH9
CH10
CH11
23
22
21
20
9
10
11
12
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN #39) IS GND, MUST BE SOLDERED TO PCB
orDer inForMation
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC2499CUHF#PBF
LTC2499CUHF#TRPBF
2499
38-Lead (5mm
× 7mm) Plastic QFN
0°C to 70°C
LTC2499IUHF#PBF
LTC2499IUHF#TRPBF
2499
38-Lead (5mm
× 7mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
electrical characteristics (norMal speeD) The
l
denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
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