Datasheet

4
LTC1060
1060fb
Graph 1. Mode 1:
(f
CLK
/f
0
) Deviation vs Q
Graph 2. Mode 1:
(f
CLK
/f
0
) Deviation vs Q
Graph 3. Mode 1:
Q Error vs Clock Frequency
Graph 7. Mode 1:
(f
CLK
/f
0
) vs f
CLK
and Q
IDEAL Q
0.1
–1.6
% DEVIATION (f
CLK
/f
0
)
–1.2
–0.8
–0.4
0
110100
LT1060 • TPC01
–2.0
–2.4
0.4
V
S
= ±5V
T
A
= 25°C
f
CLK
= 250kHz
= 50 (TEST POINT)
f
CLK
f
0
IDEAL Q
0.1
– 0.3
% DEVIATION (f
CLK
/f
0
)
– 0.2
– 0.1
0
0.1
110100
LT1060 • TPC02
– 0.4
– 0.5
– 0.6
f
CLK
= 100 (TEST POINT)
f
CLK
f
0
V
S
= ±5V
T
A
= 25°C
f
CLK
= 500kHz
f
CLK
(MHz)
0.2
0
DEVIATION FROM IDEAL Q (%)
10
0
10
20
0.6
1.0
1.2 2.0
LTC1060 • TPC03
20
0.4 0.8
1.4
1.6
1.8
= 50:1
f
CLK
f
0
= 100:1
f
CLK
f
0
V
S
= ±2.5V
T
A
= 25°C
V
S
= ±2.5V
V
S
= ±5V
V
S
= ±5V
50
20
10
102050
100
Q = 5
100
20 10
20
Q = 5
50
10
Q = 5 Q = 5
50
= 50:1
f
CLK
f
0
V
S
= ±5V
T
A
= 25°C
f
CLK
(MHz)
0
DEVIATION FROM 50:1 (%)
0.4
0.6
0.8
0.6 1.0
LTC1060 • TPC07
0.2
0
0.2 0.4
0.8 1.2 1.4
–0.2
–0.4
Q = 50
Q = 5
Q = 10
Q = 20
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Graph 4. Mode 1:
Q Error vs Clock Frequency
Graph 5. Mode 1: Measured Q vs
f
CLK
and Temperature
Graph 6. Mode 1:
(f
CLK
/f
0
) vs f
CLK
and Q
Graph 8. Mode 1: (f
CLK
/f
0
) vs f
CLK
and Temperature
Graph 9. Mode 1: (f
CLK
/f
0
) vs f
CLK
and Temperature
f
CLK
(MHz)
0.2
0
DEVIATION FROM IDEAL Q (%)
10
0
200
50
10
20
0.6
1.0
1.2 2.0
LTC1060 • TPC04
20
0.4 0.8
1.4
1.6
1.8
= 50:1
f
CLK
f
0
= 100:1
f
CLK
f
0
V
S
= ±7.5V
T
A
= 25°C
400
200
100
10
Q = 5
50
400
100
Q = 5
10
= 50:1
f
CLK
f
0
= 100:1
f
CLK
f
0
V
S
= ±5V
Q = 10
f
CLK
(MHz)
0.2
–20
DEVIATION FROM IDEAL Q (%)
0
20
0
0.6 1.0
1.4
1.8
LTC1060 • TPC05
20
0.4 0.8
1.2
1.6
85°C
125°C
85°C
125°C
–55°C
–55°C
T
A
= 25°C
T
A
= 25°C
= 100:1
f
CLK
f
0
V
S
= ±5V
T
A
= 25°C
f
CLK
(MHz)
0
DEVIATION FROM 100:1 (%)
0.4
0.6
0.8
0.6 1.0
LTC1060 • TPC06
0.2
0
0.2 0.4
0.8 1.2 1.4
–0.2
–0.4
Q = 50
Q = 5
Q = 10
Q = 20
f
CLK
(MHz)
0.2
–0.2
DEVIATION FROM 100:1 (%)
0
0.2
0.6
0.6 1.0
1.4
1.8
LTC1060 • TPC08
0.8
0.4
1.0
0.4 0.8
1.2
1.6
85°C
T
A
= 25°C
125°C
f
CLK
f
0
= 100:1
V
S
= ±5V
Q = 10
–55°C
f
CLK
(MHz)
0.2
–0.2
DEVIATION FROM 50:1 (%)
0
0.2
0.6
0.6 1.0
1.4
1.8
LTC1060 • TPC09
0.8
0.4
1.0
0.4 0.8
1.2
1.6
f
CLK
f
0
= 50:1
V
S
= ±5V
Q = 10
–55°C
T
A
= 25°C
85°C
125°C