LTC6603 Linear Technology, LTC6603 Datasheet - Page 2

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

ABSOLUTE MAXIMUM RATINGS
LTC6603
(Note 1)
V+
V+
V+
Filter Inputs to GND ....................... –0.3V to V+
Pins 3, 4 to GND ............................. –0.3V to V+
Pins 5, 6, 9-11,
Maximum Input Current .......................................±10mA
Output Short Circuit Duration........................... Indefi nite
Operating Temperature Range (Note 2)
Specifi ed Temperature Range (Note 3)
Storage Temperature Range ................... –65°C to 150°C
ORDER INFORMATION
LEAD FREE FINISH
LTC6603CUF#PBF
LTC6603IUF#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
2.5MHz, internal clocking with R
PARAMETER
Filter Gain Either
Channel
Matching of Filter
Gain
2
IN
A
A
15, 17, 21, 22 to GND ................. –0.3V to V+
LTC6603CUF .......................................–40°C TO 85°C
LTC6603IUF ........................................–40°C TO 85°C
LTC6603CUF ...........................................0°C TO 70°C
LTC6603IUF ........................................–40°C TO 85°C
, V+
to V+
to GND ................................................................6V
D
to GND .........................................................4V
D
.............................................. –0.3V to +0.3V
CONDITIONS
External Clock = 80MHz, Filter Cutoff (f
External Clock = 80MHz, Filter Cutoff (f
DC Gain, Gain Set = 0dB
DC Gain, Gain Set = 0dB
f
f
f
f
f
f
f
IN
IN
IN
IN
IN
IN
IN
TAPE AND REEL
LTC6603CUF#TRPBF
LTC6603IUF#TRPBF
= 62.5kHz (0.4 • f
= 125kHz (0.8 • f
= 156.25kHz (f
= 234.375kHz (1.5 • f
= 62.5kHz (0.4 • f
= 125kHz (0.8 • f
= 156.25kHz (f
BIAS
= 30.9k unless otherwise noted.
C
C
), Relative to DC Gain
)
C
C
C
C
), Relative to DC Gain
)
), Relative to DC Gain
)
C
), Relative to DC Gain
http://www.linear.com/leadfree/
PART MARKING*
6603
6603
http://www.linear.com/tapeandreel/
A
= 25°C. V+
C
C
IN
D
)= 156.25kHz, V
)= 156.25kHz, V
A
+ 0.3V
+ 0.3V
+ 0.3V
The
l
A
denotes the specifi cations which apply over the full operating
= V+
PACKAGE DESCRIPTION
24-Lead (4mm × 4mm) Plastic QFN 0°C to 70°C
24-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C
IN
IN
PIN CONFIGURATION
D
= 3.6V
= 3.6V
= V+
IN
P-P,
P-P,
EXPOSED PAD (PIN 25) IS GND. MUST BE SOLDERED TO THE PCB.
= 3V, V
Pin 3 Open
Pin 3 Open
CLKCNTL
LPF1(CS)
V
R
ICM
V+
OCM
BIAS
T
V+
JMAX
IN
A
24-LEAD (4mm × 4mm) PLASTIC QFN
= V
1
2
3
4
5
6
= 150°C, θ
l
l
l
l
l
l
l
l
l
OCM
24 23 22 21 20 19
7
8
= 1.5V, Gain = 0dB, lowpass cutoff =
UF PACKAGE
TOP VIEW
JA
0.25
–0.5
–0.6
MIN
9
0.4
= 37°C/W, θ
25
SPECIFIED TEMPERATURE RANGE
10 11 12
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JC
±0.03
±0.03
±0.03
±0.03
–0.3
–0.4
TYP
–32
= 4.3°C/W
0.4
0.6
18
17
16
15
14
13
–OUTA
SER
V+
CLKIO
GND
+OUTB
D
–29.5
±0.15
MAX
0.55
–0.1
–0.2
±0.1
±0.1
±0.1
0.8
UNITS
6603f
dB
dB
dB
dB
dB
dB
dB
dB
dB