參數(shù)資料
型號(hào): LTC1065CN8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 運(yùn)動(dòng)控制電子
英文描述: DC Accurate, Clock-Tunable Linear Phase 5th Order Bessel Lowpass Filter
中文描述: SWITCHED CAPACITOR FILTER, BESSEL, LOWPASS, PDIP8
封裝: 0.300 INCH, PLASTIC, DIP-8
文件頁數(shù): 4/12頁
文件大?。?/td> 314K
代理商: LTC1065CN8
4
LTC1065
ELECTRICAL C
HARA TERISTICS
Output Offset vs Clock,
Medium Clock Rates
Self-Clocking Frequency vs R
Output Offset vs Clock,
Low Clock Rates
EXTERNAL CLOCK FREQUENCY (kHz)
O
5
4
3
2
1
0
–1
–2
–3
–4
–5
1065 G03
500
1000
0
V
S
= ±7.5V
V
S
= ±5V
V
S
= ±2.5V
FREQUENCY (kHz)
R
)
110
100
90
80
70
60
50
40
30
20
10
1065 G01
100
300
500
LTC1065
R
C
4
5
C = 200pF
f
OSC
1/RC
Gain vs Frequency; V
S
=
±
7.5V
INPUT FREQUENCY (kHz)
1
G
10
100
1065 G04
B
C
V
IN
= 750mV
RMS
T
A
= 25°C
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
200
A
A. f
CLK
= 0.5MHz
B. f
CLK
= 1MHz
C. f
CLK
= 2MHz
INPUT FREQUENCY (kHz)
1
G
10
100
1065 G05
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
200
A
B
C
D
A. f
CLK
= 1MHz
B. f
CLK
= 2MHz
C. f
CLK
= 3MHz
D. f
CLK
= 4MHz
V
IN
= 1.4V
RMS
T
A
= 25°C
Gain vs Frequency; V
S
=
±
2.5V
Gain vs Frequency; V
S
=
±
5V
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
The
G
denotes specifications which apply over the full operating
temperature range.
Note 1:
The maximum clock frequency is arbitrarily defined as: the
frequency at which the filter AC response exhibits
1dB of gain peaking.
Note 2:
At limited temperature ranges (i.e., T
A
50
°
C) the minimum clock
frequency can be as low as 10Hz. The typical minimum clock frequency is
arbitrarily defined as: the clock frequency at which the output DC offset
changes by more than 1mV.
Note 3:
The wideband noise specification does not include the clock
feedthrough.
Note 4:
To properly evaluate the filter’s harmonic distortion an inverting
output buffer is recommended. An output buffer (although recommended)
is not necessarily needed when measuring output DC offset or wideband
noise (see Figure 3).
Note 5:
The output DC offset is optimized for
±
5V supply. The output DC
offset shifts when the power supplies change; however this phenomenon
is repeatable and predictable.
INPUT FREQUENCY (kHz)
1
G
10
100
1065 G06
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
200
A
B
C
A. f
CLK
= 1MHz
B. f
CLK
= 2MHz
C. f
CLK
= 3MHz
D. f
CLK
= 4MHz
E.
CLK
= 5MHz
V
IN
= 1.4V
RMS
T
A
= 25°C
E
D
EXTERNAL CLOCK FREQUENCY (Hz)
O
50
45
40
35
30
25
20
15
10
5
0
1065 G02
10
110
210
A
B
A. T
A
= 25°C
B. T
A
= 85°C
V
S
= ±5V
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