LTC1264CS Linear Technology, LTC1264CS Datasheet - Page 3

• Manufacturer Part Number: LTC1264CS
• Description: High Speed/ Quad Universal Filter Building Block
• Manufacturer: Linear Technology

(Complete Filter) V
PARAMETER
DC Offset Voltage (Note 2)
Clock Feedthrough
Maximum Clock Frequency
Power Supply Current
The
temperature range.
Note 1: Please refer to Typical Maximum Q vs Clock Frequency graphs.
Note 2: Calculations of output DC offsets of one 2nd order section. Also
see Block Diagram.
TYPICAL PERFOR
ELECTRICAL C
MODE
1b
1
2
3
26
24
22
20
18
16
14
12
10
8
6
4
2
0
1.5
denotes specifications which apply over the full operating
Typical Maximum Q
vs Clock Frequency
B
2.0
V
V
[V
• [R4/(R2 + R4)] + V
V
A
CLOCK FREQUENCY (MHz)
OS1
OS1
OS2
OS1
2.5
[(1Q) + 1 H
[(1/Q) + 1 + R2/R1] – V
(1 + R2/R1 + R2/R3 + R2/R4) – V
S
3.0
= 5V, f
PINS 2, 11, 14, 23
3.5
HARA TERISTICS
A. MODES 1, 1b
B. MODES 3, 3a
OLP
CLK
V
4.0
OSN
V
T
OS2
A
S
] – V
W
= 1MHz, all sides mode 1, f
= ±7.5V
[R2/(R2 + R4)]
85°C
4.5
OS3
A
1264 G01
C
OS3
U
/Q
5.0
/Q
CE
CONDITIONS
V
V
V
V
V
V
V
V
C
OS3
OS1
OS2
OS3
S
S
S
S
S
HARA TERISTICS
= 7.5V (f
= 5V (f
= 2.375V (f
= 7.5V, T
= 5V
26
24
22
20
18
16
14
12
10
(R2/R3)]
8
6
4
2
0
(DC Offset of Input Inverter)
(DC Offset of First Integrator)
(DC Offset of Second Integrator)
1.0
Typical Maximum Q
vs Clock Frequency
B
CLK
1.5
CLK
A
O
is a Square Wave)
C
= 25 C
CLOCK FREQUENCY (MHz)
CLK
is a Square Wave)
= 50kHz, Q = 5, T
A
2.0
PINS 3, 10, 15, 22
is a Square Wave)
V
2.5
V
V
V
V
Note 3: The center frequency f
OSBP
OS3
OS3
OS3
OS3
f
O
A. MODES 1, 1b
B. MODES 3, 3a
3.0
(measured) – f
V
T
S
A
A
= ±5V
f
3.5
O
= 25 C, unless otherwise noted.
85°C
(ideal)
1264 G02
4.0
V
V
V
– V
O
OSN
(V
OSN
OS1
(ideal)
OS3
OSN
[1 + R4/R1 + R4/R2 + R4/R3] – V
– V
– V
(R4/R3)
– V
OS2
OS2
• 100
O
OS2
20
18
16
14
12
10
, error is calculated as:
MIN
PINS 4, 9, 16, 21
8
6
4
2
0
9
1.0
)(1 + R5/R6)
Typical Maximum Q
vs Clock Frequency
V
B
OSLP
1.2
CLOCK FREQUENCY (MHz)
TYP
A
160
120
90
14
6
1.4
LTC1264
MAX
1.6
23
26
OS2
20
45
45
V
T
A. MODES 1, 1b
B. MODES 3, 3a
A
S
(R4/R2)
= SINGLE 5V
85°C
1.8
UNITS
1264 G03
V
V
V
3
MHz
RMS
RMS
RMS
mV
mV
mV
mA
mA
2.0