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LTC6603IUF#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
LTC6603
4
6603fa
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V+
A
= V+
D
= V+
IN
= 3V, V
ICM
= V
OCM
= 1.5V, Gain = 0dB, lowpass
cutoff = 2.5MHz, internal clocking with R
BIAS
= 30.9k unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Differential Input Referred Differential Offset Voltage at Either Output
Lowest Cutoff Frequency, Gain Setting = 24dB
Highest Cutoff Frequency, Gain Setting = 24dB
Lowest Cutoff Frequency, Gain Setting = 0dB
Highest Cutoff Frequency, Gain Setting = 0dB
l
l
l
l
±8
±14
±40
±60
mV
mV
mV
mV
CMRR Differential f
C
= 625kHz
Common Mode Input from 0V to 3V, V+
IN
= 3V
Common Mode Input from 0V to 5V, V+
IN
= 5V
l
l
60
60
90
90
dB
dB
V
OCM
Pin Voltage V+
A
= V+
D
= 3V, Pin 3 Open, f
C
= 156.25kHz
l
1.3 1.45 1.5 V
V
OCM
Pin Input
Impedance
V+
A
= V+
D
= 3V, Pin 3 Open, f
C
= 156.25kHz
l
2.5 3.4 4.5 k
V
OSCM
Common Mode Offset Voltage, V
OCM
= 1.5V, Supplies = 3V
V
OSCM
= V
OUT-CM
– V
OCM
l
100 185 mV
Output Swing f
C
= 156.25kHz
Source 1mA, Relative to V+
A
Sink 1mA, Relative to GND
l
l
200
150
500
400
mV
mV
Short-Circuit Current f
C
= 156.25kHz
Sourcing
Sinking
l
l
7
11
25
30
mA
mA
Supply Current Internal Clock (R
BIAS
= 30.9k); Sum of the Currents into V+
D
, V+
A
, and V+
IN
All
Supplies Set to 3V
f
C
= 156.25kHz
f
C
= 625kHz
f
C
= 2.5MHz
l
l
l
88
121
162
96
130
175
mA
mA
mA
Supply Current,
Shutdown Mode
Sum of the Currents into V+
D
, V+
A
, and V+
IN
; All Supplies Set to 3V
Shutdown Via Serial Interface
l
170 235 µA
Supply Voltage V+
D
, V+
A
Relative to GND
V+
IN
Relative to GND
l
l
2.7
2.7
3.6
5.5
V
V
PSRR V+
D
= V+
A
= V+
IN
, All from 2.7V to 3.6V
V+
D
= V+
A
= 3V, V+
IN
from 4.5V to 5.5V
l
l
40
65
50
85
dB
dB
R
BIAS
Resistor Range CLKCNTL = 3V
Clock Frequency Error < ±3.5%
Clock Frequency Error < ±3%
l
l
30.9
54.9
54.9
200
k
k
R
BIAS
Pin Voltage 30.9k < R
BIAS
< 200k 1.17 V
Clock Frequency Drift
Over Temperature
R
BIAS
= 30.9k
CLKCNTL Pin Open
40 ppm/ºC
Clock Frequency Drift
Over Supply
V+
A
, V+
D
from 2.7V to 3.6V, R
BIAS
= 30.9k
CLKCNTL Pin Open
l
0.2 0.5 %/V
Output Clock Duty
Cycle
R
BIAS
= 30.9k
l
45 50 55 %
CLKIO Pin High Level
Input Voltage
CLKCNTL = 0V (Note 5)
l
V+
D
– 0.3 V
CLKIO Pin Low Level
Input Voltage
CLKCNTL = 0V (Note 5)
l
0.3 V
CLKIO Pin Input
Current
CLKCNTL = 0V
CLKIO = 0V (Note 6)
CLKIO = V+
D
l
l
–1
10
µA
µA
CLKIO Pin High Level
Output Voltage
V+
A
= V+
D
= 3V, CLKCNTL = 3V
I
OH
= –1mA
I
OH
= –4mA
2.95
2.9
V
V
LTC6603
5
6603fa
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V+
A
= V+
D
= V+
IN
= 3V, V
ICM
= V
OCM
= 1.5V, Gain = 0dB, lowpass cutoff =
2.5MHz, internal clocking with R
BIAS
= 30.9k unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
CLKIO Pin Low Level
Output Voltage
V+
A
= V+
D
= 3V, CLKCNTL = 3V
I
OL
= 1mA
I
OL
= 4mA
0.05
0.1
V
V
CLKIO Pin Rise Time V+
A
= V+
D
= CLKCNTL = 3V, C
LOAD
= 5pF 0.3 ns
CLKIO Pin Fall Time V+
A
= V+
D
= CLKCNTL = 3V, C
LOAD
= 5pF 0.3 ns
SER High Level
Input Voltage
Pin 17
l
V+
D
– 0.3 V
SER Low Level
Input Voltage
Pin 17
l
0.3 V
SER Input Current Pin 17 = 0V (Note 6)
Pin 17 = V+
D
l
l
–10
2
µA
µA
CLKCNTL High Level
Input Voltage
Pin 5
l
V+
D
– 0.5 V
CLKCNTL Low Level
Input Voltage
Pin 5 0.5 V
CLKCNTL Input
Current
CLKCNTL = 0V (Note 6)
CLKCNTL = V+
D
l
l
–25 –15
15 25
µA
µA
Pin Programmable Control Mode Specifi cations. Specifi cations 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
V
IH
Digital Input High Voltage Pins 6, 9, 21, 22
l
2V
V
IL
Digital Input Low Voltage Pins 6, 9, 21, 22
l
0.8 V
I
IN
Digital Input Current Pins 6, 9, 21, 22 (Note 6)
l
–1 1 µA
Serial Port DC and Timing Specifi cations. Specifi cations apply to Pins 6, 9-11, and 21 in serial programming mode.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V+
D
= 2.7V to 3.6V
V
IH
Digital Input High Voltage Pins 6, 9, 10
l
2V
V
IL
Digital Input Low Voltage Pins 6, 9, 10
l
0.8 V
I
IN
Digital Input Current Pins 6, 9, 10 (Note 6)
l
–1 1 µA
V
OH
Digital Output High Voltage Pins 11, 21 Sourcing 500µA
l
V
SUPPLY
– 0.3 V
V
OL
Digital Output Low Voltage Pins 11, 21 Sinking 500µA
l
0.3 V
t
1
(Note 5) SDI Valid to SCLK Setup
l
60 ns
t
2
(Note 5) SDI Valid to SCLK Hold
l
0ns
t
3
SCLK Low
l
100 ns
t
4
SCLK High
l
100 ns
t
5
CS Pulse Width
l
60 ns
t
6
(Note 5) LSB SCLK to CS
l
60 ns
t
7
(Note 5) CS Low to SCLK
l
30 ns
t
8
SDO Output Delay C
L
= 15pF
l
125 ns
t
9
(Note 5) SCLK Low to CS Low
l
0ns
LTC6603
6
6603fa
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: LTC6603C and LTC6603I are guaranteed functional over the
operating temperature range of –40°C to 85°C.
Note 3: LTC6603C is guaranteed to meet specifi ed performance from
0°C to 70°C. The LTC6603C is designed, characterized and expected to
meet specifi ed performance from –40°C to 85°C but is not tested or QA
sampled at these temperatures. The LTC6603I is guaranteed to meet the
specifi ed performance limits from –40°C to 85°C.
TYPICAL PERFORMANCE CHARACTERISTICS
DC Gain Matching DC Gain Matching Phase Matching
Phase Matching
Gain and Group Delay
vs Frequency
Note 4: This test measures the internal oscillator accuracy (deviation from
the f
CLK
equation). Variations in the internal oscillator cause variations in
the fi lter cutoff frequency. See the “Applications Information” section.
Note 5: Guaranteed by design, not subject to test.
Note 6: To conform to the logic IC standard, current out of a pin is
arbitrarily given a negative value.
MISMATCH (dB)
UNITS (%)
6603 G01
70
60
20
10
30
40
50
0
–0.2 0.2–0.15 –0.1 –0.05 0 0.05 0.1 0.15
V
S
= 3V, BW = 2.5MHz
GAIN SETTING = 0dB, T
A
= 25°C
1000 UNITS
MISMATCH (dB)
UNITS (%)
6603 G02
70
60
20
10
30
40
50
0
–0.06 0.1–0.04–0.02 0 0.02 0.04 0.06 0.08
V
S
= 3V, BW = 156.25kHz
GAIN SETTING = 0dB, T
A
= 25°C
1000 UNITS
MISMATCH (DEG)
UNITS (%)
6603 G03
30
25
5
10
15
20
0
–2.5 4–2–1.5–1–0.5 0 0.5 1 1.5 2 2.5 3 3.5
V
S
= 3V, BW = 2.5MHz
f = 2MHz, T
A
= 25°C
1000 UNITS
MISMATCH (DEG)
UNITS (%)
6603 G04
60
50
20
10
30
35
40
0
–2.5 2.5–2 –1.5 –1 –0.5 0 0.5 1 1.5 2
V
S
= 3V, BW = 156.25kHz
f = 125kHz, T
A
= 25°C
1000 UNITS
FREQUENCY (Hz)
GAIN (dB)
6603 G05
30
10
0
20
–60
–40
–50
–30
–20
–10
–70
GROUP DELAY (ns)
800
720
680
760
440
520
480
560
600
640
400
10k 1M 10M100k
R
BIAS
= 30.9k, V
S
= 3V
LPF1 = 1, BW = 2.5MHz
T
A
= 25°C
GAIN = 24dB
GAIN = 12dB
GAIN = 6dB
GAIN = 0dB
GROUP DELAY
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LTC6603IUF#PBF

Mfr. #:
Buy LTC6603IUF#PBF
Manufacturer:
Analog Devices Inc.
Description:
Active Filter Dual Programmable 2.5MHz Filter for Communications
Lifecycle:
New from this manufacturer.
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