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LTC6603_15 Datasheet, PDF (5/24 Pages) Linear Technology – Dual Adjustable Lowpass Filter
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LTC6603
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. V+A = V+D = V+IN = 3V, VICM = VOCM = 1.5V, Gain = 0dB, lowpass cutoff =
2.5MHz, internal clocking with RBIAS = 30.9k unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP MAX UNITS
CLKIO Pin Low Level
Output Voltage
CLKIO Pin Rise Time
CLKIO Pin Fall Time
SER High Level
Input Voltage
SER Low Level
Input Voltage
SER Input Current
CLKCNTL High Level
Input Voltage
V+A = V+D = 3V, CLKCNTL = 3V
IOL = 1mA
IOL = 4mA
V+A = V+D = CLKCNTL = 3V, CLOAD = 5pF
V+A = V+D = CLKCNTL = 3V, CLOAD = 5pF
Pin 17
Pin 17
Pin 17 = 0V (Note 6)
Pin 17 = V+D
Pin 5
0.05
V
0.1
V
0.3
ns
0.3
ns
l V+D – 0.3
V
l
0.3
V
l –10
l
l V+D – 0.5
μA
2
μA
V
CLKCNTL Low Level Pin 5
Input Voltage
0.5
V
CLKCNTL Input
Current
CLKCNTL = 0V (Note 6)
CLKCNTL = V+D
l –25
–15
μA
l
15
25
μA
Pin Programmable Control Mode Specifications. Specifications apply to Pins 6, 9, 21 and 22 in pin programmable control mode.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP MAX UNITS
V+D = 2.7V to 3.6V
VIH
Digital Input High Voltage
Pins 6, 9, 21, 22
l
2
V
VIL
Digital Input Low Voltage
Pins 6, 9, 21, 22
l
0.8
V
IIN
Digital Input Current
Pins 6, 9, 21, 22 (Note 6)
l
–1
1
μA
Serial Port DC and Timing Specifications. Specifications apply to Pins 6, 9-11, and 21 in serial programming mode.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
V+D = 2.7V to 3.6V
VIH
Digital Input High Voltage
Pins 6, 9, 10
l
2
VIL
Digital Input Low Voltage
Pins 6, 9, 10
l
IIN
Digital Input Current
Pins 6, 9, 10 (Note 6)
l
–1
VOH
Digital Output High Voltage
Pins 11, 21 Sourcing 500μA
l VSUPPLY – 0.3
VOL
Digital Output Low Voltage
Pins 11, 21 Sinking 500μA
l
t1 (Note 5)
SDI Valid to SCLK Setup
l
60
t2 (Note 5)
SDI Valid to SCLK Hold
l
0
t3
SCLK Low
l
100
t4
t5
t6 (Note 5)
t7 (Note 5)
SCLK High
CS Pulse Width
LSB SCLK to CS
CS Low to SCLK
l
100
l
60
l
60
l
30
t8
t9 (Note 5)
SDO Output Delay
SCLK Low to CS Low
CL = 15pF
l
l
0
MAX UNITS
V
0.8
V
1
μA
V
0.3
V
ns
ns
ns
ns
ns
ns
ns
125
ns
ns
6603fa
5
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