Datasheet

2
LTC1569-6
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
ORDER PART
NUMBER
WU
U
PACKAGE
/
O
RDER I FOR ATIO
(Note 1)
Total Supply Voltage................................................ 11V
Power Dissipation.............................................. 500mW
Operating Temperature
LTC1569C ............................................... 0°C to 70°C
LTC1569I............................................ –40°C to 85°C
Storage Temperature ............................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................300°C
The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
V
S
= 3V (V
+
= 3V, V
–
= 0V), f
CUTOFF
= 64kHz, R
LOAD
= 10k unless otherwise specified.
E
LECTR
IC
AL C CHARA TERIST
ICS
LTC1569CS8-6
LTC1569IS8-6
S8 PART
MARKING
Consult factory for Military grade parts.
T
JMAX
= 125°C, θ
JA
= 150°C/W
1
2
3
4
8
7
6
5
TOP VIEW
OUT
V
+
R
X
DIV/CLK
IN
+
IN
–
GND
V
–
S8 PACKAGE
8-LEAD PLASTIC SO
PARAMETER CONDITIONS MIN TYP MAX UNITS
Filter Gain V
S
= 5V, f
CLK
= 4.096MHz, f
IN
= 1280Hz = 0.02 • f
CUTOFF
● –0.05 0.05 0.15 dB
f
CUTOFF
= 64kHz, V
IN
= 1.4V
P-P
,f
IN
= 12.8kHz = 0.2 • f
CUTOFF
● –0.25 –0.15 –0.05 dB
R
EXT
= 10k, Pin 5 Shorted f
IN
= 32kHz = 0.5 • f
CUTOFF
● –0.65 –0.55 –0.4 dB
to Pin 4 f
IN
= 51.2kHz = 0.8 • f
CUTOFF
● –1.3 –1.0 –0.7 dB
f
IN
= 64kHz = f
CUTOFF
● –5.3 –3.8 –2.4 dB
f
IN
= 97.5kHz = 1.5 • f
CUTOFF
(LTC1569I) ● –60 –40 dB
f
IN
= 97.5kHz = 1.5 • f
CUTOFF
(LTC1569C) ● –60 –48 dB
f
IN
= 128kHz = 2 • f
CUTOFF
● –62 –50 dB
f
IN
= 192kHz = 3 • f
CUTOFF
● –71 –60 dB
V
S
= 2.7V, f
CLK
= 1MHz, f
IN
= 312Hz = 0.02 • f
CUTOFF
● –0.12 0.05 0.16 dB
f
CUTOFF
= 15.625kHz, f
IN
= 3125kHz = 0.2 • f
CUTOFF
● –0.25 –0.15 –0.05 dB
V
IN
= 1V
P-P
, Pin 6 Shorted f
IN
= 7812kHz = 0.5 • f
CUTOFF
● –0.65 –0.55 –0.4 dB
to Pin 4, External Clock f
IN
= 12.5kHz = 0.8 • f
CUTOFF
● –1.1 –0.9 –0.7 dB
f
IN
= 15.625kHz = f
CUTOFF
● –3.6 –3.4 –3.2 dB
f
IN
= 23.44kHz = 1.5 • f
CUTOFF
(LTC1569I) ● –54 –48 dB
f
IN
= 23.44kHz = 1.5 • f
CUTOFF
(LTC1569C) ● –54 –50 dB
f
IN
= 31.25kHz = 2 • f
CUTOFF
(LTC1569I) ● –60 –52 dB
f
IN
= 31.25kHz = 2 • f
CUTOFF
(LTC1569C) ● –60 –55 dB
f
IN
= 46.88kHz = 3 • f
CUTOFF
● –66 –60 dB
Filter Phase V
S
= 2.7V, f
CLK
= 4MHz, f
IN
= 1250Hz = 0.02 • f
CUTOFF
–11 Deg
f
CUTOFF
= 62.5kHz, Pin 6 f
IN
= 12.5kHz = 0.2 • f
CUTOFF
● –114 –111 –108 Deg
Shorted to Pin 4, f
IN
= 31.25kHz = 0.5 • f
CUTOFF
● 79 82 85 Deg
External Clock f
IN
= 50kHz = 0.8 • f
CUTOFF
● –83 –79 –75 Deg
f
IN
= 62.5kHz = f
CUTOFF
● 156 162 168 Deg
f
IN
= 93.75kHz = 1.5 • f
CUTOFF
–91 Deg
Filter Cutoff Accuracy R
EXT
= 10.24k from Pin 6 to Pin 7, 62.5kHz ±1%
when Self-Clocked V
S
= 3V, Pin 5 Shorted to Pin 4
Filter Output DC Swing V
S
= 3V, Pin 3 = 1.11V 2.1 V
P-P
(Note 6) ● 1.9 V
P-P
V
S
= 5V, Pin 3 = 2V 3.9 V
P-P
● 3.7 V
P-P
V
S
= ±5V, Pin 5 Shorted to Pin 7, R
LOAD
= 20k 8.5 V
P-P
15696
1569I6