LTC1069-1C 查看數據表（PDF） - Linear Technology
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LTC1069-1C Datasheet PDF : 8 Pages
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LTC1069-1
ELECTRICAL CHARACTERISTICS
fCUTOFF is the filter’s cutoff frequency and is equal to fCLK/100. The fCLK signal level is TTL or CMOS (clock rise or fall time ≤ 1µs),
VS = 3.3V to ±5V, RL = 10k, TA = 25°C, unless otherwise noted. All AC gains are measured relative to the passband gain.
PARAMETER
Gain at 1.50fCUTOFF
Output DC Offset (Input at AGND)
Output Voltage Swing
Power Supply Current
Maximum Clock Frequency
Input Frequency Range
Input Resistance
Operating Power Supply Voltage
CONDITIONS
VS = ±5V,
fTEST = 7.5kHz,
VS = 3.3V,
fTEST = 3kHz,
VS = ±5V,
VS = 4.75V,
VS = 3.3V,
VS = ±5V
VS = 4.75V
VS = 3.3V
VS = ±5V
VS = 4.75V
VS = 3.3V
VS = ±5V
VS = 4.75V
VS = 3.3V
fCLK = 500kHz
VIN = 1VRMS
fCLK = 200kHz
VIN = 0.5VRMS
fCLK = 500kHz
fCLK = 400kHz
fCLK = 200kHz
fCLK = 500kHz
fCLK = 400kHz
fCLK = 200kHz
MIN
TYP
MAX UNITS
– 58
– 53
– 50
dB
q – 59
– 49
dB
– 58
– 53
– 50
dB
q – 59
– 49
dB
30
150
mV
20
mV
15
100
mV
q – 3.25
±4.0
3.25
V
q – 1.50
±1.7
1.25
V
q – 0.70
±0.9
0.60
V
q
3.8
5.5
mA
q
2.5
4.5
mA
q
2.0
3.5
mA
1.2
MHz
0.8
MHz
0.5
MHz
0
fCLK/2
MHz
30
43
70
kΩ
±1.57
±5.5
V
The q denotes specificatons which apply over the full operating
temperature range.
TYPICAL PERFORMANCE CHARACTERISTICS
Passband Gain vs Frequency
1.0
0.8
VS = ±5V
fCLK = 500kHz
0.6 fC = 5kHz
VIN = 2VRMS
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
FREQUENCY (kHz)
1069-1 G01
Transition Band Gain vs
Frequency
10
0
VS = ±5V
fCLK = 500kHz
–10
fC = 5kHz
–20
VIN = 2VRMS
–30
–40
–50
–60
–70
–80
–90
5
6
7
8
9 10 11
FREQUENCY (kHz)
1069-1 G02
Stopband Gain vs Frequency
–70
–72
VS = ±5V
fCLK = 500kHz
–74 fC = 5kHz
VIN = 2VRMS
–76
–78
–80
–82
–84
–86
–88
–90
11 12 13 14 15 16 17 18 19 20 21
FREQUENCY (kHz)
1069-1 G03
3
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