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LTC1563-3IGN 数据表(PDF) 4 Page - Linear Technology

部件名 LTC1563-3IGN
功能描述  Active RC, 4th Order Lowpass Filter Family
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1563-3IGN 数据表(HTML) 4 Page - Linear Technology

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LTC1563-2/LTC1563-3
156323fa
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Passband Gain, HS Mode, fC = 25.6kHz
Test Frequency = 2.56kHz (0.1 • fC)
●
– 0.2
0
0.2
dB
VS = 4.75V, RFIL = 100k
Test Frequency = 12.8kHz (0.5 • fC)
●
– 0.3
0
0.3
dB
Stopband Gain, HS Mode, fC = 25.6kHz
Test Frequency = 51.2kHz (2 • fC)
●
– 24
– 21.5
d B
VS = 4.75V, RFIL = 100k
Test Frequency = 102.4kHz (4 • fC)
●
–48
–46
dB
Passband Gain, HS Mode, fC = 256kHz
Test Frequency = 25.6kHz (0.1 • fC)
●
– 0.2
0
0.2
dB
VS = 4.75V, RFIL = 10k
Test Frequency = 128kHz (0.5 • fC)
●
– 0.5
0
0.5
dB
Stopband Gain, HS Mode, fC = 256kHz
Test Frequency = 400kHz (1.56 • fC)
●
– 15.7
–13.5
dB
VS = 4.75V, RFIL = 10k
Test Frequency = 500kHz (1.95 • fC)
●
– 23.3
– 21.5
dB
Passband Gain, LP Mode, fC = 25.6kHz
Test Frequency = 2.56kHz (0.1 • fC)
●
– 0.25
0
0.25
dB
VS = 4.75V, RFIL = 100k
Test Frequency = 12.8kHz (0.5 • fC)
●
– 0.6
– 0.02
0.6
dB
Stopband Gain, LP Mode, fC = 25.6kHz
Test Frequency = 51.2kHz (2 • fC)
●
–24
–22
dB
VS = 4.75V, RFIL = 100k
Test Frequency = 102.4kHz (4 • fC)
●
– 48
– 46.5
dB
LTC1563-3 Transfer Function Characteristics
Cutoff Frequency Range, fC
VS = 3V
●
0.256
256
kHz
HS Mode
VS = 4.75V
●
0.256
256
kHz
(Note 2)
VS = ±5V
●
0.256
256
kHz
Cutoff Frequency Range, fC
VS = 2.7V
●
0.256
25.6
kHz
LP Mode
VS = 4.75V
●
0.256
25.6
kHz
(Note 2)
VS = ±5V
●
0.256
25.6
kHz
Cutoff Frequency Accuracy, HS Mode
VS = 3V, RFIL = 100k
●
–3
±2
5.5
%
fC = 25.6kHz
VS = 4.75V, RFIL = 100k
●
–3
±2
5.5
%
VS = ±5V, RFIL = 100k
●
–3
±2
5.5
%
Cutoff Frequency Accuracy, HS Mode
VS = 3V, RFIL = 10k
●
–3
±26
%
fC = 256kHz
VS = 4.75V, RFIL = 10k
●
–3
±26
%
VS = ±5V, RFIL = 10k
●
–3
±26
%
Cutoff Frequency Accuracy, LP Mode
VS = 2.7V, RFIL = 100k
●
–4
±37
%
fC = 25.6kHz
VS = 4.75V, RFIL = 100k
●
–4
±37
%
VS = ±5V, RFIL = 100k
●
–4
±37
%
Cutoff Frequency Temperature Coefficient
(Note 3)
●
±1
ppm/
°C
Passband Gain, HS Mode, fC = 25.6kHz
Test Frequency = 2.56kHz (0.1 • fC)
●
– 0.2
– 0.03
0.2
dB
VS = 4.75V, RFIL = 100k
Test Frequency = 12.8kHz (0.5 • fC)
●
–1.0
– 0.72
– 0.25
dB
Stopband Gain, HS Mode, fC = 25.6kHz
Test Frequency = 51.2kHz (2 • fC)
●
–13.6
–10
dB
VS = 4.75V, RFIL = 100k
Test Frequency = 102.4kHz (4 • fC)
●
– 34.7
– 31
dB
Passband Gain, HS Mode, fC = 256kHz
Test Frequency = 25.6kHz (0.1 • fC)
●
– 0.2
– 0.03
0.2
dB
VS = 4.75V, RFIL = 10k
Test Frequency = 128kHz (0.5 • fC)
●
–1.1
– 0.72
– 0.5
dB
Stopband Gain, HS Mode, fC = 256kHz
Test Frequency = 400kHz (1.56 • fC)
●
– 8.3
– 6
dB
VS = 4.75V, RFIL = 10k
Test Frequency = 500kHz (1.95 • fC)
●
– 13
–10.5
dB
Passband Gain, LP Mode, fC = 25.6kHz
Test Frequency = 2.56kHz (0.1 • fC)
●
– 0.2
– 0.03
0.2
dB
VS = 4.75V, RFIL = 100k
Test Frequency = 12.8kHz (0.5 • fC)
●
–1.0
– 0.72
– 0.25
dB
Stopband Gain, LP Mode, fC = 25.6kHz
Test Frequency = 51.2kHz (2 • fC)
●
– 13.6
–11
dB
VS = 4.75V, RFIL = 100k
Test Frequency = 102.4kHz (4 • fC)
●
– 34.7
– 32
dB
Note 1: Absolute Maximum Ratings are those value beyond which the life
of a device may be impaired.
Note 2: The minimum cutoff frequency of the LTC1563 is arbitrarily listed
as 256Hz. The limit is arrived at by setting the maximum resistor value
limit at 10M
Ω. The LTC1563 can be used with even larger valued resistors.
When using very large values of resistance careful layout and thorough
The
● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VS = Single 4.75V, EN pin to logic “low,” Gain = 1, RFIL = R11 = R21 = R31 = R12 = R22 = R32, specifications apply to both the high
speed (HS) and low power (LP) modes unless otherwise noted.
assembly practices are required. There may also be greater DC offset at
high temperatures when using such large valued resistors.
Note 3: The cutoff frequency temperature drift at low frequencies is as
listed. At higher cutoff frequencies (approaching 25.6kHz in low power
mode and approaching 256kHz in high speed mode) the internal
amplifier’s bandwidth can effect the cutoff frequency. At these limits the
cutoff frequency temperature drift is
±15ppm/°C.



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