LTC1068 Linear Technology, LTC1068 Datasheet - Page 5

• Manufacturer Part Number: LTC1068
• Description: Clock-Tunable/ Quad Second Order/ Filter Building Blocks
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
LTC1068-50 (Complete Filter) V
PARAMETER
f
Q Temperature Coefficient
DC Offset Voltage (Note 5)
(See Table 1)
Clock Feedthrough
Max Clock Frequency (Note 6)
Power Supply Current
LTC1068-25 (Internal Op Amps) V
PARAMETER
Operating Supply Voltage Range
Voltage Swings
Output Short-Circuit Current (Source/Sink)
DC Open-Loop Gain
GBW Product
Slew Rate
Analog Ground Voltage (Note 4)
LTC1068-25 (Complete Filter) V
PARAMETER
Clock-to-Center Frequency Ratio (Note 5)
Clock-to-Center Frequency Ratio,
Side-to-Side Matching (Note 5)
Q Accuracy (Note 5)
f
Q Temperature Coefficient
O
O
Temperature Coefficient
Temperature Coefficient
S
S
= 5V, T
S
= 5V, T
= 5V, T
A
A
CONDITIONS
V
(DC Offset of Input Inverter)
V
(DC Offset of First Integrator)
V
(DC Offset of Second Integrator)
V
V
V
V
V
CONDITIONS
V
V
V
V
R
V
V
V
= 25 V
V
CONDITIONS
V
f
R1 = R3 = 49.9k, R2 = 10k
V
f
R1 = R3 = 49.9k, R2 = 10K
V
V
V
V
A
= 25 V, unless otherwise noted.
O
O
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
L
S
S
S
S
S
S
= 25 V
= 20kHz, Q = 5, V
= 40kHz, Q = 5, V
= 5V, f
= 5V, f
= 5V, f
= 5V, f
= 5V, Q 1.6, Mode 1
= 3.14V, f
= 4.75V, f
= 5V, f
= 3.14V, R
= 4.75V, R
= 5V, R
= 4.75V
= 5V
= 5k
= 5V
= 5V
= 5V, Voltage at AGND
= 4.75V, f
= 5V, f
= 4.75V, f
= 5V, f
= 4.75V, f
= 5V, f
,
unless otherwise noted.
,
CLK
CLK
CLK
CLK
CLK
unless otherwise noted.
CLK
CLK
CLK
L
CLK
CLK
CLK
CLK
CLK
L
L
= 5k
= 500kHz, V
= 500kHz, V
= 500kHz, V
= 500kHz
= 500kHz
= 5k (Note 2)
= 5k (Note 3)
= 1MHz, Mode 1,
= 1MHz, Q = 5
= 1MHz, Q = 5
= 250kHz (Note 2)
= 250kHz (Note 3)
= 500kHz, Mode 1 (Note 3),
= 500kHz, Q = 5 (Note 3)
= 500kHz, Q = 5 (Note 3)
IN
IN
= 0.5V
= 1V
OS1
OS2
OS3
RMS
RMS
,
,
MIN
3.14
MIN
MIN
1.2
2.6
3.4
LTC1068 Series
2.5V 2%
25 0.3
25 0.3
20/15
TYP
17/6
0.16
TYP
TYP
1.6
3.4
3.4
3.0
4.3
6.0
85
10
0.25
0.25
– 2
– 5
4.1
6
1
5
0
1
1
1
5
25 0.8
25 0.9
25 0.8
25 0.9
MAX
MAX
MAX
11
5
8
5.5
15
25
40
0.9
0.9
3
3
ppm/ C
ppm/ C
mV
ppm/ C
ppm/ C
UNITS
UNITS
UNITS
5
MHz
MHz
V/ s
V
V
RMS
mV
mA
mA
mA
mA
mV
mV
mA
P-P
P-P
dB
%
%
%
%
%
%
%
%
V
V
V