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參數(shù)資料
| 型號： | LTC2451ITSB#TRMPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO8 |
| 封裝： | LEAD FREE, PLASTIC, MO-193, TSOT-23, 8 PIN |
| 文件頁數(shù)： | 13/18頁 |
| 文件大?。?/td> | 245K |
| 代理商： | LTC2451ITSB#TRMPBF |
LTC2451
4
2451ff
Integral Nonlinearity
VCC = VREF+ = 5V
Integral Nonlinearity
VCC = 5V, VREF+ = 3V
Integral Nonlinearity
VCC = VREF+ = 3V
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Notes 2, 7)
I2C TIMING CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2. All voltage values are with respect to GND. VCC = 2.7V to 5.5V,
unless otherwise specied. Specications apply to both 30Hz and 60Hz
modes unless otherwise specied.
VREF = VREF+ – VREF–, VREFCM = (VREF+ + VREF–)/2, FS = VREF+ – VREF–;
VREF– ≤ VIN ≤ VREF+
Note 3. Guaranteed by design, not subject to test.
Note 4. Integral nonlinearity is dened as the deviation of a code from
a straight line passing through the actual endpoints of the transfer
curve. The deviation is measured from the center of the quantization
band. Guaranteed by design, test correlation and 3-point transfer curve
measurement.
Note 5. Input sampling current is the average input current drawn from
the input sampling network while the LTC2451 is actively sampling the
input. CB = capacitance of one bus line in pF.
Note 6. CB = capacitance of one bus line in pF.
Note 7. All values refer to VIH(MIN) and VIL(MAX) levels.
Note 8. A positive current is owing into the DUT pin.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tOF
Output Fall Time VIH(MIN) to VIL(MAX)
Bus Load CB 10pF to
400pF (Note 6)
l
20 + 0.1CB
250
ns
tSP
Input Spike Suppression
l
50
ns
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C; graphs apply to both 30Hz and 60Hz modes, unless otherwise noted.
INPUT VOLTAGE (V)
0
–3
INL
(LSB)
–2
–1
0
1
3
1
23
4
2451 G01
5
2
TA = – 45°C, 25°C, 90°C
INPUT VOLTAGE (V)
0
–3
INL
(LSB)
–2
–1
0
1
3
0.5
1
1.5
2
2451 G02
2.5
3
2
TA = – 45°C, 25°C, 90°C
INPUT VOLTAGE (V)
0
–3
INL
(LSB)
–2
–1
0
1
3
0.5
1
1.5
2
2451 G03
2.5
3
2
TA = – 45°C, 25°C
TA = 90°C
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