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參數(shù)資料
| 型號： | LTC1562I-2 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Very Low Noise, Low Distortion Active RC Quad Universal Filter |
| 中文描述： | 非常低噪聲，低失真有源RC四通用濾波器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 179K |
| 代理商： | LTC1562I-2 |
4
LTC1562-2
TYPICAL PERFOR U
Peak BP Gain vs Nominal f
O
(V
S
=
±
5V) (Figure 3, V1 Output)
Q Error vs Nominal f
O
(V
S
=
±
2.5V)
Peak BP Gain vs Nominal f
O
(V
S
=
±
2.5V) (Figure 3, V1 Output)
NOMINAL f
O
(kHz)
100
Q
55
50
45
40
35
30
25
20
15
10
5
0
–5
260
1562-2 G04
140
180
220
300
240
120
160
200
280
Q = 5
Q = 2.5
Q = 1
T
A
= 70
°
C
T
A
= 25
°
C
R
IN
= R
Q
NOMINAL f
O
(kHz)
100
P
0.25
0
0.50
1.00
0.75
3.00
2.75
2.00
1.75
140
180 200
280
2.50
2.25
1.50
1.25
120
160
220 240 260
300
1562-2 G5
Q = 5
Q = 2.5
Q = 1
T
A
= 70
°
C
T
A
= 25
°
C
R
IN
= R
Q
NOMINAL f
O
(kHz)
100
P
0.25
0
0.50
1.00
0.75
3.00
2.75
2.00
1.75
140
180 200
280
2.50
2.25
1.50
1.25
4.00
3.75
3.50
3.25
120
160
220 240 260
300
1562-2 G6
Q = 5
Q = 2.5
Q = 1
T
A
= 70
°
C
T
A
= 25
°
C
R
IN
= R
Q
LP Noise vs Nominal f
O
(V
S
=
±
5V, 25
°
C) (Figure 3,
V2 Output) (R
IN
= R2)
NOMINAL f
O
(kHz)
120
10
L
μ
V
R
)
30
60
70
80
90
100
160
200
220
1562-2 G07
20
50
40
140
180
240 260
280
Q = 5
Q = 2.5
Q = 1
BP Noise vs Nominal f
O
(V
S
=
±
5V, 25
°
C) (Figure 3,
V1 Output) (R
IN
= R
Q
)
NOMINAL f
O
(kHz)
120
10
B
μ
V
R
)
30
60
70
80
90
100
160
200
220
1562-2 G08
20
50
40
140
180
240 260
280
Q = 5
Q = 2.5
Q = 1
PI
FU
CTIO
N
S
U
U
Power Supply Pins:
The V
+
and V
–
pins should be
bypassed with 0.1
μ
F capacitors to an adequate analog
ground or ground plane. These capacitors should be
connected as closely as possible to the supply pins. Pins
4, 7, 14 and 17 are internally connected to V
–
(Pin 16) and
should also be tied to the same point as Pin 16 for best
shielding. Low noise linear supplies are recommended.
Switching supplies are not recommended as they will
lower the filter dynamic range.
Distortion vs External Load
Resistance and Frequency
(V
S
=
±
5V, 25
°
C) (Figure 8)
EXTERNAL LOAD RESISTANCE (
)
10k
–100
T
T
–80
–70
–60
–50
–40
–30
5k
2k
1562-2 G09
–20
–10
0
0.001
0.01
0.1
1
10
100
–90
1k
f
IN
= 20kHz
f
IN
= 50kHz
2nd ORDER LOWPASS
f
= 200kHz
Q = 0.7
OUTPUT LEVEL 1V
RMS
(2.83V
P-P
)
±
5V SUPPLIES
f
IN
= 100kHz
Analog Ground (AGND):
The AGND pin is the midpoint of
a resistive voltage divider, developing a potential halfway
between the V
+
and V
–
pins, with an equivalent series
resistance nominally 7k. This serves as an internal ground
reference. Filter performance will reflect the quality of the
analog signal ground and an analog ground plane
surrounding the package is recommended. The analog
ground plane should be connected to any digital ground at
a single point. For dual supply operation, the AGND pin
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| LTC1562IG | 功能描述:IC FILTER UNIVRSL RC QUAD 20SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC1562IG#PBF | 功能描述:IC FILTER UNIV RC QUAD LN 20SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| LTC1562IG#TR | 功能描述:IC FILTER UNIV RC QUAD LN 20SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
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