SSI32F8030 Datasheet, PDF (7/10 Pages) List of Unclassifed Manufacturers – Programmable Electronic Filter

SSI 32F8030
Programmable
Electronic Filter
2
1
1.8
1 ifp = 80 µA
(ƒc = 250 kHz)
2 ifp = 224 µA
(ƒc = 700 kHz)
1.6
3 ifp = 368 µA
(ƒc = 1.15 MHz)
4 ifp = 512 µA
(ƒc = 1.6 MHz)
1.4
5 ifp = 656 µA
(ƒc = 2.05 MHz)
6 ifp = 800 µA
(ƒc = 2.5 MHz)
1.2
1.0
2
0.8
0.6
3
0.4
4
0.2
56
0.0
100k
200k
300k 400k 500k
700k
1meg
2meg
3meg 4meg 5meg
Frequency (Hz)
FIGURE 1: Typical Normal/Differentiated Output Group Delay Response
32F8030
GND1 1
16 VO_DIFF+
VO_NORM- 2
15 VO_DIFF-
VO_NORM+ 3
VCC1 (+5V) 4
14 PWR_ON
13 VR
VIN- 5
12 VCC2 (+5V)
Rx
VIN+ 6
11 IFP
Cx
VBP 7
10 VFP
FBST 8
RBP2
9 GND2
RBP1
FIGURE 1: 32F8030 Applications Setup 16-Pin SO
VR = 2.2V
VFP = .667 VR
Cx = 1000 pF needed for THD at low ƒc
IVfp = .33VR/Rx
IVfp range: 0.08 mA to 0.8 mA
(0.25 MHz to 2.5 MHz)
VFP is used when programming current is set with a resistor from VR.
When VFP is used IFP must be left open.
7