Switching the RBIAS Resistor 6602 TA02 LT" />
參數(shù)資料
型號: LTC6602IUF#TRPBF
廠商: Linear Technology
文件頁數(shù): 18/28頁
文件大?。?/td> 0K
描述: IC FILTER BANDPASS/LOWPASS 24QFN
標(biāo)準(zhǔn)包裝: 2,500
濾波器類型: 帶通
頻率 - 截止或中心: 300kHz
濾波器數(shù): 2
濾波器階數(shù): 5th
電源電壓: 2.7 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 24-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN 裸露焊盤(4x4)
包裝: 帶卷 (TR)
LTC6602
25
6602fc
TYPICAL APPLICATIONS
Switching the RBIAS Resistor
6602 TA02
LTC6602
V+IN
+INA
–INA
+INB
–INB
RBIAS
VOCM
MUTE
GAIN0(D0)
GAIN1
GND
–OUTA
+OUTA
–OUTB
+OUTB
CLKIO
SER
CLKCNTL
HPF0(SDO)
HPF1(SDI)
LPF0(SCLK)
LPF1(CS)
V+A
V+D
0.1F
3V
1
2
16
24
18
19
12
13
15
17
5
9
6
11
10
23
7
8
4
3
20
21
22
14
25
VOCM
MUTE
HPF0
HPF1
LPF0
LPF1
DIODES INC
DMN2004DMK
0.1F
R2
R1
R3
3V
SOT-363
GAIN0
GAIN1
CLK0
CLK1
CLK0
0
RBIAS1
fCLK1
0
1
RBIAS2
fCLK2
1
0
RBIAS3
fCLK3
1
RBIAS4
fCLK4
RBIAS1 > RBIAS2 OR RBIAS3
DESIGN PROCEDURE
1. CHOOSE fCLK1, fCLK2 AND fCLK3
2. CALCULALTE RBIAS1, RBIAS2 AND RBIAS3
3. CALCULATE R2, R3 AND RBIAS4
RBIAS1 IN k
fCLK IN MHz
RBIAS = 4941
fCLK
R1 = RBIAS1
R2 = RBIAS1 RBIAS2
RBIAS1 – RBIAS2
R3 = RBIAS1 RBIAS3
RBIAS1 – RBIAS3
RBIAS4 =
R1 R2 R3
R1 (R2 + R3) + R2 R3
LTC6602
V+IN
+INA
–INA
+INB
–INB
RBIAS
VOCM
MUTE
GAIN0(D0)
GAIN1
GND
–OUTA
+OUTA
–OUTB
+OUTB
CLKIO
SER
CLKCNTL
HPF0(SDO)
HPF1(SDI)
LPF0(SCLK)
LPF1(CS)
V+A V+D
0.1F
3V
1
2
16
24
18
19
12
13
15
17
5
9
6
11
10
23
7
8
4
3
20
21
22
14
25
VOCM
MUTE
SDO
SCLK
SDI
CS2
CS1
LTC2630
8-BIT DAC
0.1F
R1
3V
R2 = 1.056 1013
fCLKHI – fCLKLO
R1 =
1.056 1013
1.137 fCLKHI + fCLKLO
VOUT
GND
V+
CS
SCLK
SDI
R2
0.1F
6
5
4
1
2
3
3V
DAC VOUT LTC6602 fCLK
0V
fCLKHI
2.5V
fCLKLO
DAC VOUT RANGE, 0V TO 2.5V
(USING LTC2630 INTERNAL REFERENCE)
PARALLEL CONTROL
SERIAL CONTROL
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