LTC1164-8CSW Linear Technology, LTC1164-8CSW Datasheet - Page 12

• Manufacturer Part Number: LTC1164-8CSW
• Description: IC FILTR 8TH ORDR LOWPASS 16SOIC
• Manufacturer: Linear Technology

Specifications of LTC1164-8CSW

• Filter Type: Elliptic Bandpass Switched Capacitor
• Frequency - Cutoff Or Center: 7kHz
• Number Of Filters: 1
• Max-order: 8th
• Voltage - Supply: 4.75 V ~ 16 V, ±2.375 V ~ 8 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1164-8CS

RELATED PARTS
LTC1164-8
12
TYPICAL
PART NUMBER
LTC1064
LTC1164
LTC1264
See Table 4 for additional information
5V
0.1μF
0.1μF
0.1μF
0.1μF
+
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
FAX: [phone]
5V
REF1 (1.9V)
30.1k
1k
8.87k
10k
AGND (2V)
REF2 (1V)
1μF
APPLICATION
V
DESCRIPTION
Universal Filter Building Block
Universal Filter Building Block
Universal Filter Building Block
IN
R
IN
FOR OPTIMUM TONE DETECTION, THE SIGNAL’S FREQUENCY SHOULD BE IN THE
FILTER’S PASSBAND AND WITHIN ±0.1% FROM f
AT V
THE MINIMUM DETECTABLE SIGNAL AT V
THE MAXIMUM NOISE SPECTRAL DENSITY AT V
R
1/(2π • R1 • C1) ≤ f
IN
●
= 340k/GAIN; f
WHERE: (BW)
TELEX: 499-3977
OUT
1
2
3
4
5
6
7
Tone Detector — Detecting a Low Level Signal Buried in Wideband Noise
, LOGIC HIGH = SIGNAL AT V
LTC1164-8
OF THE FILTER
GAIN = 340k/R
f
U
CENTER
CENTER
= 0.01 • f
●
14
13
12
11
10
9
8
www.linear-tech.com
= f
/10; 1/(2π • R3 • C2) ≤ f
IN
CENTER
CLK
●
AND IS THE FILTER GAIN AT f
[phone]
/100; 1/(2π • R
f
CLK
AND IS THE NOISE EQUIVALENT BANDWIDTH
IN
, LOGIC LOW = NO SIGNAL AT V
COMMENTS
This Part, with External Resistors, Allows Design of Bandpass Filters Similar to
LTC1164-8 (Up to 50kHz)
This Part, with External Resistors, Allows Design of Bandpass Filters Similar to
LTC1164-8 (Low Power Up to 20kHz)
This Part, with External Resistors, Allows Design of Bandpass Filters Similar to
LTC1164-8 (Up to 100kHz)
IN
–
+
1/2 LT1413
: V
IN(MIN)
F
61.9k
• C
C
R
IN
CENTER
CENTER
F
F
: V
4
F
) ≥ 10 • f
IN
= 200mV
= 32mV
/32
.
CENTER
CENTER
RMS
RMS
C1
/GAIN.
/[GAIN • √( BW )
10k
IN
R1
.
f
]
–
+
1/2 LT1413
5V
8
10k
R2
R3
10k
0.1μF
C2
REF1
REF2
© LINEAR TECHNOLOGY CORPORATION 1995
1.9V
1V
14
13
12
11
1
5
6
7
8
STROBE
LT 10/09 REV B • PRINTED IN USA
+
–
+
–
+
–
+
–
COMP1
COMP2
LTC1040
5V
18
LTC1164-8 • TA04
0.1μF
4
15
11648fb
V
OUT