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LTC1068 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1068
Description  Clock-Tunable, Quad Second Order, Filter Building Blocks
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1068 Datasheet(HTML) 3 Page - Linear Technology

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3
LTC1068 Series
ELECTRICAL CHARACTERISTICS LTC1068 (Complete Filter) V
S = ±5V, TA = 25°V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Clock-to-Center Frequency Ratio (Note 5)
VS = 4.75V, fCLK = 1MHz, Mode 1 (Note 3),
100
±0.3
100
±0.8
%
fO = 10kHz, Q = 5, VIN = 0.5VRMS,
q
100
±0.9
%
R1 = R3 = 49.9k, R2 = 10k
VS = ±5V, fCLK = 1MHz, Mode 1,
100
±0.3
100
±0.8
%
fO = 10kHz, Q = 5, VIN = 1VRMS,
q
100
±0.9
%
R1 = R3 = 49.9k, R2 = 10K
Clock-to-Center Frequency Ratio,
VS = 4.75V, fCLK = 1MHz, Q = 5 (Note 3)
q
±0.25
±0.9
%
Side-to-Side Matching (Note 5)
VS = ±5V, fCLK = 1MHz, Q = 5
q
±0.25
±0.9
%
Q Accuracy (Note 5)
VS = 4.75V, fCLK = 1MHz, Q = 5 (Note 3)
q
±1
±3%
VS = ±5V, fCLK = 1MHz, Q = 5
q
±1
±3%
fO Temperature Coefficient
±1
ppm/
°C
Q Temperature Coefficient
±5
ppm/
°C
DC Offset Voltage (Note 5)
VS = ±5V, fCLK = 1MHz, VOS1
q
0
±15
mV
(See Table 1)
(DC Offset of Input Inverter)
VS = ±5V, fCLK = 1MHz, VOS2
q
±2
±25
mV
(DC Offset of First Integrator)
VS = ±5V, fCLK = 1MHz, VOS3
q
±5
±40
mV
(DC Offset of Second Integrator)
Clock Feedthrough
VS = ±5V, fCLK = 1MHz
0.1
mVRMS
Max Clock Frequency (Note 6)
VS = ±5V, Q ≤ 2.0, Mode 1
5.6
MHz
Power Supply Current
VS = 3.14V, fCLK = 1MHz (Note 2)
q
3.5
8
mA
VS = 4.75V, fCLK = 1MHz (Note 3)
q
6.5
11
mA
VS = ±5V, fCLK = 1MHz
q
9.5
15
mA
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Clock-to-Center Frequency Ratio (Note 5)
VS = 4.75V, fCLK = 1MHz, Mode 1 (Note 3),
200
±0.3
200
±0.8
%
fO = 5kHz, Q = 5, VIN = 0.5VRMS,
q
200
±0.9
%
R1 = R3 = 49.9k, R2 = 10k
VS = ±5V, fCLK = 1MHz, Mode 1,
200
±0.3
200
±0.8
%
fO = 5Hz, Q = 5, VIN = 1VRMS,
q
200
±0.9
%
R1 = R3 = 49.9k, R2 = 10K
LTC1068-200 (Complete Filter) VS = ±5V, TA = 25°V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage Range
3.14
±5.5
V
Voltage Swings
VS = 3.14V, RL = 5k (Note 2)
q
1.2
1.6
VP-P
VS = 4.75V, RL = 5k (Note 3)
q
2.6
3.2
VP-P
VS = ±5V, RL = 5k
q
±3.4
±4.1
V
Output Short-Circuit Current (Source/Sink)
VS = ±4.75V
17/6
mA
VS = ±5V
20/15
mA
DC Open-Loop Gain
RL = 5k
85
dB
GBW Product
VS = ±5V
6
MHz
Slew Rate
VS = ±5V
10
V/
µs
Analog Ground Voltage (Note 4)
VS = 5V, Voltage at AGND
2.5V
±2%
V
LTC1068-200 (Internal Op Amps) VS = ±5V, TA = 25°V, unless otherwise noted.



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