Datasheet

LTC1064
5
1064fb
POWER SUPPLY VOLTAGE (V
+
– V
–
)
20
POWER SUPPLY CURRENT (mA)
48
44
40
36
32
28
24
20
16
12
8
4
0
46 10
8 12141618
1064 G10
20 22 24
–55°C
25°C
125°C
Q
20
WIDEBAND NOISE (µV/
RMS
)
240
220
200
180
160
140
120
100
80
60
40
20
0
46 10
8 12141618
1064 G09
20 22 24
ANY OUTPUT
R3 = R1
ONE SECOND ORDER
SECTION
MODE 1 OR 3
100:1 OR 50:1
±7.5V
±5V
±2.5V
CENTER FREQUENCY (kHz)
100
Q ERROR (%)
CENTER FREQUENCY
ERROR (%)
20
15
10
5
0
–5
1.5
1.0
0.5
0
20 30 50
40 60 70 80 90
1064 G08
100110 120
V
S
= ±7.5V
V
S
= ±7.5V
V
S
= ±2.5V
T
A
= 25°C
C
C
= 5pF
R2 = R4
Q = 10
V
S
= ±2.5V
V
S
= ±5V
V
S
= ±5V
CENTER FREQUENCY (kHz)
100
Q ERROR (%)
CENTER FREQUENCY
ERROR (%)
20
15
10
5
0
–5
1.5
1.0
0.5
0
20 30 50
40 60 70 80 90
1064 G07
100110 120
T
A
= 25°C
C
C
= 15pF
R2 = R4
V
S
= ±7.5V
Q = 2
Q = 1
V
S
= ±5V
V
S
= ±2.5V
V
S
= ±7.5V
CENTER FREQUENCY (kHz)
100
Q ERROR (%)
CENTER FREQUENCY
ERROR (%)
20
15
10
5
0
–5
1.5
1.0
0.5
0
20 30 50
40 60 70 80 90
1064 G06
100110 120
V
S
= ±7.5V
V
S
= ±7.5V
V
S
= ±5V
V
S
= ±2.5V
T
A
= 25°C
C
C
= 5pF
R2 = R4
Q = 5
Q = 10
V
S
= ±2.5V
V
S
= ±5V
CENTER FREQUENCY (kHz)
100
Q ERROR (%)
CENTER FREQUENCY
ERROR (%)
20
15
10
5
0
–5
1.5
1.0
0.5
0
20 30 50
40 60 70 80 90
1064 G05
100110 120
V
S
= ±7.5V
V
S
= ±7.5V
V
S
= ±5V
V
S
= ±2.5V
T
A
= 25°C
PIN 17 AT V
–
(R2/R4) = 3
Q = 5
Q = 10
V
S
= ±2.5V
V
S
= ±5V
CENTER FREQUENCY (kHz)
200
Q ERROR (%)
CENTER FREQUENCY
ERROR (%)
20
15
10
5
0
–5
1.5
1.0
0.5
0
40 60 100
80 120140160180
1064 G04
200
T
A
= 25°C
V
S
= ±7.5V
PIN 17 AT V
+
(R2/R4) = 3
Q = 5
C
C
= 22pF
Q = 5
Q = 2
Q = 2
C
C
= 39pF
TYPICAL PERFORMANCE CHARACTERISTICS
UW
Mode 2, (f
CLK
/f
O
) = 25:1
Mode 2, (f
CLK
/f
O
) = 50:1
Mode 3, (f
CLK
/f
O
) = 50:1
Mode 3, (f
CLK
/f
O
) = 50:1
Mode 3, (f
CLK
/f
O
) = 100:1
Wideband Noise vs Q
Power Supply Current vs
Supply Voltage
Harmonic Distortion, 8th Order
LP Butterworth, f
C
= 20kHz,
THD = 0.015% for 3V
RMS
Input
1064 G11