LTC6603 Linear Technology, LTC6603 Datasheet - Page 3

• Manufacturer Part Number: LTC6603
• Description: Dual Adjustable Lowpass Filter
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
2.5MHz, internal clocking with R
PARAMETER
Filter Phase Either
Channel
Matching of Filter
Phase
Filter Gain Either
Channel
Matching of Filter
Gain
Filter Phase
Either Channel
Matching of Filter
Phase
Filter Cutoff Accuracy
when Self Clocked
DC Gain
DC Gain Matching
Noise At 200kHz
Integrated Noise
THD
Input Impedance
CONDITIONS
External Clock = 80MHz, Filter Cutoff (f
External Clock = 80MHz, Filter Cutoff (f
External Clock = 80MHz, Filter Cutoff (f
External Clock = 80MHz, Filter Cutoff (f
External Clock = 80MHz, Filter Cutoff (f
External Clock = 80MHz, Filter Cutoff (f
CLKCNTL = 3V (Note 4)
Filter Cutoff (f
Filter Cutoff (f
Voltage Noise Referred to the Input
Noise Bandwidth = 5MHz, Referred to the Input
V
Gain = 24dB, R
DC Gain, Gain Set = 0dB
f
f
f
f
f
f
f
f
f
f
f
f
IN
f
f
f
f
f
f
R
R
R
Gain Setting = 0dB
Gain Setting = 6dB
Gain Setting = 12dB
Gain Setting = 24dB
Gain Setting = 0dB
Gain Setting = 6dB
Gain Setting = 12dB
Gain Setting = 24dB
Gain = 0dB
Gain = 6dB
Gain = 12dB
Gain = 24dB
Gain = 0dB
Gain = 6dB
Gain = 12dB
Gain = 24dB
Differential
Common Mode
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
BIAS
BIAS
BIAS
= 2V
= 1MHz (0.4 • f
= 2MHz (0.8 • f
= 2.5MHz (f
= 4MHz (1.5 • f
= 2MHz (0.8 • f
= 2.5MHz (f
= 1MHz (0.4 • f
= 2MHz (0.8 • f
= 2.5MHz (f
= 1MHz (0.4 • f
= 2MHz (0.8 • f
= 2.5MHz (f
= 62.5kHz (0.4 • f
= 125kHz (0.8 • f
= 156.25kHz (f
= 62.5kHz (0.4 • f
= 125kHz (0.8 • f
= 156.25kHz (f
= 200k
= 54.9k
= 30.9k
P-P
, f
IN
C
C
BIAS
) = 2.5MHz, 0.6V to 2.4V Each Output, Pin 3 Open
) = 2.5MHz, 0.6V to 2.4V Each Output, Pin 3 Open
BIAS
= 200kHz, Gain Setting = 24dB
C
C
C
C
), Relative to DC Gain
)
)
)
= 30.9k unless otherwise noted.
= 30.9k, Filter Cutoff (f
C
C
C
C
C
C
C
C
C
C
)
)
), Relative to DC Gain
), Relative to DC Gain
), Relative to DC Gain
)
)
)
)
)
C
C
C
C
)
)
)
)
A
= 25°C. V+
C
C
C
C
C
C
)= 156.25kHz, V
)= 156.25kHz, V
)= 2.5MHz, V
)= 2.5MHz, V
)= 2.5MHz, V
)= 2.5MHz, V
C
) = 2.5MHz
The
l
A
denotes the specifi cations which apply over the full operating
= V+
IN
IN
IN
IN
= 3.6V
= 3.6V
= 3.6V
= 3.6V
IN
IN
D
= 3.6V
= 3.6V
= V+
P-P,
P-P,
P-P,
P-P,
IN
P-P,
P-P,
Pin 3 Open
Pin 3 Open
Pin 3 Open
Pin 3 Open
= 3V, V
Pin 3 Open
Pin 3 Open
ICM
= V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
OCM
= 1.5V, Gain = 0dB, lowpass cutoff =
–152
–152
–0.7
–1.1
11.2
22.5
MIN
158
–44
150
–45
5.6
–2
0
0
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±0.05
±0.05
±0.05
–146
–141
–124
–129
–135
–145
±0.2
±0.4
±0.5
–0.8
±0.2
11.8
23.2
±0.1
±0.1
TYP
161
–39
–43
155
–39
–53
–59
–65
–76
–75
0.5
0.4
0.1
0.5
1.6
6
5
LTC6603
–32.6
±0.15
–142
–126
MAX
±1.5
–0.1
±0.2
±0.4
±2.5
±3.5
12.5
±0.2
±0.1
±0.2
163
–36
159
–28
1.2
1.5
1.2
6.6
±3
±4
±4
±4
±3
±3
24
1
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
UNITS
3
dBm
dBm
dBm
dBm
6603f
deg
deg
deg
deg
deg
deg
deg
deg
deg
deg
deg
deg
kΩ
kΩ
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
%