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LTC1069-6CS8 数据表(PDF) 3 Page - Linear Technology

部件名 LTC1069-6CS8
功能描述  Single Supply, Very Low Power, Elliptic Lowpass Filter
PDF  8 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1069-6CS8 数据表(HTML) 3 Page - Linear Technology

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LTC1069-6
fCUTOFF is the filter’s cutoff frequency and is equal to fCLK/50. The fCLK signal level is TTL or CMOS (clock rise or fall time ≤ 1µs)
RL = 10k, VS = 5V, TA = 25°C, unless otherwise specified. All AC gains are measured relative to the passband gain.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Gain at 2.00fCUTOFF
VS = 5V, fCLK = 200kHz
–66
–61
dB
fTEST = 8.0kHz, VIN = 1VRMS
q
–66
–60
dB
VS = 3V, fCLK = 200kHz
–66
–60
dB
fTEST = 8.0kHz, VIN = 0.5VRMS
q
–66
–59
dB
Gain at 0.95fCUTOFF
VS = 5V, fCLK = 400kHz, fTEST = 7.6kHz, VIN = 1VRMS
– 0.5
0.15
0.5
dB
VS = 3V, fCLK = 400kHz, fTEST = 7.6kHz, VIN = 0.5VRMS
– 0.5
0
0.5
dB
Output DC Offset (Note 1)
VS = 5V, fCLK = 100kHz
50
175
mV
VS = 3V, fCLK = 100kHz
30
135
mV
Output DC Offset Tempco
VS = 5V, VS = 3V
30
µV/°C
Output Voltage Swing (Note 2)
VS = 5V, fCLK = 100kHz
3.4
4.2
VP-P
q
3.2
4.2
VP-P
VS = 3V, fCLK = 100kHz
1.6
2.0
VP-P
q
1.5
2.0
VP-P
Power Supply Current
VS = 5V, fCLK = 100kHz
1.2
1.60
mA
q
1.65
mA
VS = 3V, fCLK = 100kHz
1.0
1.40
mA
q
1.55
mA
Maximum Clock Frequency
VS = 5V
1.0
MHz
VS = 3V
0.7
MHz
Input Frequency Range
0
<(fCLK – 2fC)
Input Resistance
35
50
80
k
Ω
Operating Supply Voltage (Note 3)
310
V
FREQUENCY (kHz)
20
–80
–78
–74
–72
–70
–60
–66
40
60
1069-6 G03
–76
–64
–62
–68
80
100
VS = SINGLE 3V
fCLK = 500kHz
fCUTOFF = 10kHz
VIN = 0.5VRMS
Transition Band Gain vs Frequency
FREQUENCY (kHz)
10
–30
–10
10
18
1069-6 G02
–50
–70
–40
–20
0
–60
–80
–90
12
14
16
20
VS = SINGLE 3V
fCLK = 500kHz
fCUTOFF = 10kHz
VIN = 0.5VRMS
Stopband Gain vs Frequency
FREQUENCY (kHz)
1
1
2
9
1069-6 G01
0
–1
–2
3
5
7
11
VS = SINGLE 3V
fCLK = 500kHz
fCUTOFF = 10kHz
VIN = 0.5VRMS
Passband Gain vs Frequency
The q denotes specifications which apply over the full operating
temperature range.
Note 1: The input offset voltage is measured with respect to AGND (Pin 1).
The input (Pin 4) is also shorted to the AGND pin. The analog ground pin
potential is internally set to (0.437)(VSUPPLY).
Note 2: The input voltage can swing to either rail (V + or ground); the
output typically swings 50mV from ground and 0.8V from V +.
Note 3: The LTC1069-6 is optimized for 3V and 5V operation. Although the
device can operate with a single 10V supply or
±5V, the total harmonic
distortion will be degraded. For single 10V or
±5V supply operation we
recommend to use the LTC1069-1.
TYPICAL PERFORMANCE CHARACTERISTICS
ELECTRICAL CHARACTERISTICS



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