參數(shù)資料
型號: LTC1063
廠商: Linear Technology Corporation
英文描述: DC Accurate, Clock-Tunable 5th Order Butterworth Lowpass Filter
中文描述: 直流準(zhǔn)確,時鐘可調(diào)五階Butterworth低通濾波器
文件頁數(shù): 6/12頁
文件大?。?/td> 317K
代理商: LTC1063
3
LTC1063
ELECTRICAL C
C
HARA TERISTICS
VS = ±5V, fCLK = 500kHz, fC = 5kHz, RL = 10k, TA = 25°C, unless otherwise specified.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Filter Gain
VS = ±2.375V, fCLK = 500kHz, fC = 5kHz
fIN = 1kHz
– 0.066
0.004
0.074
dB
q
– 0.081
0.004
0.089
dB
fIN = 2.5kHz
– 0.24
0.16
0.56
dB
q
– 0.29
0.16
0.61
dB
fIN = 4kHz
– 0.6
– 0.2
0.2
dB
q
– 0.7
– 0.2
0.3
dB
fIN = 5kHz
– 3.5
– 3.0
– 2.5
dB
q
– 3.6
– 3.0
– 2.4
dB
Clock Feedthrough
±2.375 ≤ VS ≤ ±7.5V
50
VRMS
Wideband Noise (Note 3)
±2.375 ≤ VS ≤ ±7.5V, 1Hz < f < fCLK
100
VRMS
THD + Wideband Noise (Note 4)
VS = ±7.5V, fC = 20kHz, fIN = 1kHz,
–80
dB
1VRMS ≤ VIN ≤ 2.3VRMS
Filter Output
± DC Swing
VS = ±2.375V
1.6/– 2.0
1.7/– 2.2
V
q
1.4/– 1.8
V
VS = ±5V
4.0/– 4.5
4.3/– 4.8
V
q
3.8/– 4.3
V
VS = ±7.5V
6.5/– 7.0
6.8/– 7.3
V
q
6.3/– 6.8
V
Input Bias Current
10
nA
Dynamic Input Impedance
800
M
Output DC Offset (Note 5)
VS = ±2.375V
2
mV
VS = ±5V
0
±5mV
VS = ±7.5V
– 4
mV
Output DC Offset Drift
VS = ±2.375V
10
V/°C
VS = ±5V
20
V/°C
VS = ±7.5V
25
V/°C
Self-Clocking Frequency (fOSC)
R (Pin 4 to 5) = 20k, C (Pin 5 to GND) = 470pF
VS = ±2.375V
99
105
112
kHz
LTC1063CN, CS, CJ
q
95
103
111
kHz
LTC1063MJ
q
92
100
108
kHz
VS = ±5V
102
108
114
kHz
LTC1063CN, CS, CJ
q
98
106
114
kHz
LTC1063MJ
q
97
105
114
kHz
VS = ±7.5V
104
110
116
kHz
LTC1063CN, CS, CJ
q
101
109
116
kHz
LTC1063MJ
q
100
108
116
kHz
External CLK Pin Logic Thresholds
VS = ±2.375V
Min Logical “1”
1.43
V
Max Logical “0”
0.47
V
VS = ±5V
Min Logical “1”
3
V
Max Logical “0”
1
V
VS = ±7.5V
Min Logical “1”
4.5
V
Max Logical “0”
1.5
V
Power Supply Current
VS = ±2.375V, fCLK = 500kHz
2.7
4.0
mA
LTC1063CN, CS, CJ
q
5.5
mA
LTC1063MJ
q
6.0
mA
VS = ±5V, fCLK = 500kHz
5.5
8
mA
LTC1063CN, CS, CJ
q
11
mA
LTC1063MJ
q
12
mA
VS = ±7.5V, fCLK = 500kHz
7.0
11
mA
LTC1063CN, CS, CJ
q
14.5
mA
LTC1063MJ
q
16.0
mA
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