LTC1565-31IS8 Linear Technology, LTC1565-31IS8 Datasheet - Page 5

• Manufacturer Part Number: LTC1565-31IS8
• Description: IC FILTR 7TH ORDER 650KHZ 8-SOIC
• Manufacturer: Linear Technology

Specifications of LTC1565-31IS8

• Filter Type: Linear Phase, Continuous-Time Lowpass
• Frequency - Cutoff Or Center: 650kHz
• Number Of Filters: 1
• Max-order: 7th
• Voltage - Supply: 4.75 V ~ 11 V, ±4.75 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PIN FUNCTIONS
BLOCK DIAGRAM
V
supply (Pin 4 grounded), a quality 0.1μF ceramic bypass
capacitor is required from the positive supply pin (Pin 6)
to the negative supply pin (Pin 4). The bypass should be
as close as possible to the IC. For dual supply applications
(Pin 3 is grounded), bypass Pin 6 to Pin 3 and Pin 4 to
Pin 3 with a quality 0.1μF ceramic capacitor.
The maximum voltage difference between the ground
pin (Pin 3) and the positive supply pin (Pin 6) should not
exceed 5.5V.
–
, V
+
(Pins 4, 6): Power Supply Pins. For a single 5V
GND
+IN
–IN
V
–
1
2
3
4
V
V
–
–
+
+
+
–
~1M
5k
5k
~1M
TRANSLATION CIRCUIT
SHUTDOWN
SWITCH
SHUTDOWN
SWITCH
WITH COMMON MODE
INPUT BUFFERS
+
–
SHDN (Pin 5): Shutdown. When the Pin 5 voltage is low,
the LTC1565-31 goes into the current saving shutdown
mode. Pin 5 has a 4μA pull-up current. Leaving Pin 5 open
will place the LTC1565-31 in its normal operating mode.
– OUT, +OUT (Pins 7, 8): Output Pins. Pins 7 and 8 are the
fi lter differential output. Each pin can drive 1kΩ or 300pF
loads. The common mode voltage at the output pins is
the same as the voltage at Pin 3.
R
R
7th ORDER
NETWORK
SHUTDOWN
LINEAR
PHASE
FILTER
OUTPUT
OUTPUT
BUFFER
BUFFER
V
+
4μA
1565-31 BD
8 +OUT
7 –OUT
6
5
LTC1565-31
V
SHDN
+
156531fa
5