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参数资料
型号： LTC1563-3IGN#TRPBF
厂商： Linear Technology
文件页数： 15/20页
文件大小： 0K
描述： IC FILTER LP RC 4TH ORDER 16SSOP
标准包装： 2,500
滤波器类型： 巴特沃斯，低通开关电容器
频率 - 截止或中心： 256kHz
滤波器数： 1
滤波器阶数： 4th
电源电压： 2.7 V ~ 11 V，±2.7 V ~ 5.5 V
安装类型： 表面贴装
封装/外壳： 16-SSOP（0.154"，3.90mm 宽）
供应商设备封装： 16-SSOP
包装： 带卷 (TR)
4
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
. 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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