參數(shù)資料
型號(hào): LTC2488CDE#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): ADC
英文描述: 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14
封裝: 4 X 3 MM, PLASTIC, MO-229WGED-3, QFN-14
文件頁(yè)數(shù): 12/28頁(yè)
文件大?。?/td> 427K
代理商: LTC2488CDE#TR
LTC2488
2
2488f
PACKAGE/ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
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
LTC2488C ................................................ 0°C to 70°C
LTC2488I ............................................. –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*
LTC2488CDE
LTC2488IDE
2488
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 specied with wider operating temperature ranges.
*The temperature grade is identied by a label on the shipping container.
The denotes the specications which apply over the full operating
temperature range, otherwise specications 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)
16
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
20
ppm of VREF
Offset Error
2.5V ≤ VREF ≤ VCC, GND ≤ IN
+ = IN≤ VCC (Note 14)
0.5
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
32
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
32
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
2.7V < VCC < 5.5V, 2.5V ≤ VREF ≤ VCC,
GND ≤ IN+ = IN≤ VCC (Note 13)
0.6
VRMS
相關(guān)PDF資料
PDF描述
LTC2488IDE 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14
LTC2492CDE#TR 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO14
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