LTC1061AC Просмотр технического описания (PDF) - Linear Technology
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LTC1061AC Datasheet PDF : 16 Pages
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LTC1061
TYPICAL PERFOR A CE CHARACTERISTICS
Mode 1, Mode 3 (fCLK/fO)
Deviation vs Q
0.4
VS = ±5V
TA = 25°C
0 fCLK = 250kHz
–0.4
–0.8
–1.2
–1.6
–2.0
–2.4
fCLK/fO =
50 (TEST POINT)
0.1
1
10
100
IDEAL Q
1061 G01
Mode 1, Mode 3 (fCLK/fO)
Deviation vs Q
VS = ±5V
TA = 25°C
0.1 fCLK = 500kHz
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
fCLK/fO =
100 (TEST POINT)
0.1
1
10
100
IDEAL Q
1061 G02
Mode 1: (fCLK/fO) = 50:1
TA = 25°C
fCLK/fO = 50/1
30
VS = ±2.5V
10
20
50
10
20
Q<5
0
TA = 25°C
fCLK/fO = 50/1
30
20
VS = ±7.5V
50
20
10
Q<5
VS = ±5V
20
50 10 Q<5
10
0
0 4 8 12 16 20 24 28 32 36 40
CENTER FREQUENCY (kHz)
1061 G04
Mode 3: (fCLK/fO) = 100:1
VS = ±2.5V
30
VS = ±7.5V
20
10
Q=20 Q=5
20 10 Q=5
10
Q=1
0
VS = ±5V
30
20
10
Q=20
Q=5
10
Q=1
0
0 4 8 12 16 20 24 28 32
CENTER FREQUENCY (kHz)
1061 G07
Mode 1: (fCLK/fO) = 100:1
30
VS = ±2.5V
VS = ±7.5V
20
Q=20 10 Q<5
Q=20
10
10
Q=5
0
30
VS = ±5V
20
10
Q=20
Q=5
10
0
0 4 8 12 16 20 24 32 28
CENTER FREQUENCY (kHz)
1061 G05
fCLK/fO vs fO
2.5 Q = 10
2.0 TA = 25°C
1.5 fCLK/fO = 50/1
VS = ±5V
VS = ±7.5V
MODE 1
1.0
VS = ±2.5V
MODE 1,
0.5 MODE 3
MODE 1
MODE 3
MODE 3
0
Q = 10
VS = ±5V
MODE 1,3
1.5 VS = ±2.5V
TA = 25°C
fCLK/fO = 100/1
1.0 MODE 1,3
VS = ±7.5V
0.5
MODE 1,3
0
0 4 8 12 16 20 24 28 32 36 40
CENTER FREQUENCY (kHz)
1061 G08
4
Mode 3: Deviation of (fCLK/fO)
with Respect to Q = 10
Measurement
VS = ±5V
TA = 25°C
PIN 7 AT 100:1
0.1
fCLK/fO = 500:1
√R2/R4 = 1/5
0
(A)
–0.1
–0.2
√R2/R4 = 1/2
–0.3
fCLK/fO = 200:1
(B)
–0.4
–0.5
0.1
1
10
100
IDEAL Q
1061 G03
Mode 3: (fCLK/fO) = 50:1
TA = 25°C
fCLK/fO = 50/1
VS = ±7.5V
30
20
VS = ±2.5V 5 Q=1
10 5
20
2.5
20
10
Q=1
10
0
TA = 25°C
fCLK/fO = 50:1
30
20
VS = ±5V
20
10 5
2.5
10
Q=1
0
0 4 8 12 16 20 24 28 32 36 40
CENTER FREQUENCY (kHz)
1061 G06
Power Supply Current vs
Supply Voltage
30
27
TA = –55°C
24
21
TA = 25°C
18
15
12
TA = 125°C
9
6
3
0
0 1 2 3 4 5 6 7 8 9 10
POWER SUPPLY VOLTAGE (±V)
1061 G09
1061fe
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