參數(shù)資料
型號(hào): LTC2492CDE#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): ADC
英文描述: 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO14
封裝: 4 X 3 MM, PLASTIC, MO-229WGED-3, QFN-14
文件頁(yè)數(shù): 12/36頁(yè)
文件大小: 652K
代理商: LTC2492CDE#TR
LTC2492
2492fa
package/orDer inFormaTion
elecTrical characTerisTics (normal speeD)
absoluTe maximum raTings
Supply Voltage (VCC) ................................... –0.3V to 6V
Analog Input Voltage
(CH0 to CH3, COM) ..................–0.3V to (VCC + 0.3V)
REF+, REF....................................–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
LTC2492C ................................................ 0°C to 70°C
LTC2492I ............................................. –40°C to 85°C
Storage Temperature Range................... –65°C to 150°C
(Notes 1, 2)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
REF
REF+
VCC
CH3
CH2
CH1
CH0
FO
SDI
SCK
CS
SDO
GND
COM
DE PACKAGE
14-LEAD (4mm
× 3mm) PLASTIC DFN
15
TJMAX = 125°C, θJA = 37°C/W
EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
DE PART MARkING*
LTC2492CDE
LTC2492IDE
2492
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/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
*The temperature grade is identified by a label on the shipping container.
The denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
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)
2
1
10
ppm of VREF
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 14)
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
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
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
Total Unadjusted Error
5V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V
2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V
15
ppm of VREF
Output Noise
5.5V < VCC < 2.7V, 2.5V ≤ VREF ≤ VCC,
GND ≤ IN+ = IN≤ VCC (Note 13)
0.6
VRMS
Internal PTAT Signal
TA = 27°C (Note 14)
27.8
28.0
28.2
mV
Internal PTAT Temperature Coefficient
93.5
V/°C
相關(guān)PDF資料
PDF描述
LTC2492CDE 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO14
LTC2492IDE 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO14
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