參數(shù)資料
型號: LTC1565-31IS8#TR
廠商: Linear Technology
文件頁數(shù): 11/12頁
文件大?。?/td> 0K
描述: IC FILTR 7TH ORDER 650KHZ 8-SOIC
標(biāo)準(zhǔn)包裝: 2,500
濾波器類型: 線性相位,連續(xù)時(shí)間低通
頻率 - 截止或中心: 650kHz
濾波器數(shù): 1
濾波器階數(shù): 7th
電源電壓: 4.75 V ~ 11 V,±4.75 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 帶卷 (TR)
其它名稱: LTC1565-31IS8TR
LTC1565-31
8
156531fa
APPLICATIONS INFORMATION
Output Drive
Pin 7 and Pin 8 can drive a 1kΩ or 300pF load connected
to AC ground with a ± 0.5V signal (corresponding to a
2VP-P differential signal). For differential loads (loads
connected from Pin 7 to Pin 8) the outputs can produce a
2VP-P differential signal across 2kΩ or 150pF. For smaller
signal amplitudes the outputs can drive correspondingly
larger loads.
Noise
The wideband noise of the lter is the RMS value of the
device’s output noise spectral density. The wideband noise
data is used to determine the operating signal-to-noise at
a given distortion level. Most of the noise is concentrated
in the lter passband and cannot be removed with post
ltering (Table 1). Table 2 lists the typical change in wide-
band noise with supply voltage.
Table 1. Wideband Noise vs Bandwidth, Single 5V Supply
BANDWIDTH
TOTAL INTEGRATED NOISE
DC to fCUTOFF
104μVRMS
DC to 2 fCUTOFF
118μVRMS
Table 2. Wideband Noise vs Supply Voltage, fCUTOFF = 650kHz
POWER SUPPLY
TOTAL INTEGRATED NOISE
DC TO 2 fCUTOFF
5V
118μVRMS
± 5V
120μVRMS
+
+
A1
LT
1809
4
6
0.1μF
10μF
2.49k
7
5V
2
3
4.99k
+
A3
LT1809
4
6
0.1μF
2.49k
7
5V
2
3
4.99k
+
A2
LT1809
4
6
0.1μF
+VIN/2 + VCM
–VIN/2 + VCM
0.1μF
5V
+IN
–IN
GND
V
+OUT
–OUT
LTC1565-31
V+
SHDN
1
2
3
4
8
7
6
5
10μF
4.99k
2.49k
VCM
VIN
7
5V
2
3
4.99k
2.49k
+
A4
LT1809
4
6
0.1μF
VOUT
(SINGLE ENDED)
2.49k
7
5V
2
3
4.99k
+
A5
LT1812
4
6
0.1μF
V+/2
2.2μF
19k
0.01μF
7
2
3
1k
5V
20Ω
1k
AMPLIFIERS A1, A2 AND A3 ALLOW THE USE OF A
GROUND-REFERENCED SINGLE-ENDED AC SOURCE AS THE
INPUT SIGNAL AND A SEPARATE GROUND-REFERENCED DC
SOURCE TO PROVIDE THE INPUT DC COMMON MODE VOLTAGE
AMPLIFIERS A4 AND A5 ALLOW MONITORING/MEASURING
THE DIFFERENTIAL OUTPUT WITH A SINGLE-ENDED,
GROUND-REFERENCED INSTRUMENT
1565-31 TA08
Test Circuit for Single 5V Supply Operation
TYPICAL APPLICATIONS
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