Datasheet

2
LTC1569-7
PARAMETER CONDITIONS MIN TYP MAX UNITS
Filter Gain V
S
= 5V, f
CLK
= 8.192MHz, f
IN
= 5120Hz = 0.02 • f
CUTOFF
● –0.10 0.00 0.10 dB
f
CUTOFF
= 256kHz, V
IN
= 2.5V
P-P
,f
IN
= 51.2kHz = 0.2 • f
CUTOFF
● –0.25 –0.15 –0.05 dB
R
EXT
= 5k, Pin 5 Shorted to Pin 4 f
IN
= 128kHz = 0.5 • f
CUTOFF
● –0.50 –0.41 –0.25 dB
f
IN
= 204.8kHz = 0.8 • f
CUTOFF
● –1.1 –0.65 –0.40 dB
f
IN
= 256kHz = f
CUTOFF
, LTC1569C ● –5.7 –3.8 –2.3 dB
f
IN
= 256kHz = f
CUTOFF
, LTC1569I ● –6.2 –3.8 –2.0 dB
f
IN
= 384kHz = 1.5 • f
CUTOFF
● –58 –48 dB
f
IN
= 512kHz = 2 • f
CUTOFF
● –62 –54 dB
f
IN
= 768kHz = 3 • f
CUTOFF
● –67 –64 dB
V
S
= 2.7V, f
CLK
= 1MHz, f
IN
= 625Hz = 0.02 • f
CUTOFF
● –0.08 0.00 0.12 dB
f
CUTOFF
= 31.25kHz, V
IN
= 1V
P-P
,f
IN
= 6.25kHz = 0.2 • f
CUTOFF
● –0.25 –0.15 –0.05 dB
Pin 6 Shorted to Pin 4, External Clock f
IN
= 15.625kHz = 0.5 • f
CUTOFF
● –0.50 –0.40 –0.30 dB
f
IN
= 25kHz = 0.8 • f
CUTOFF
● –0.75 –0.65 –0.50 dB
f
IN
= 31.25kHz = f
CUTOFF
● –3.3 –3.15 –3.0 dB
f
IN
= 46.875kHz = 1.5 • f
CUTOFF
● –57 –52 dB
f
IN
= 62.5kHz = 2 • f
CUTOFF
● –60 –54 dB
f
IN
= 93.75kHz = 3 • f
CUTOFF
● –66 –58 dB
Filter Phase V
S
= 2.7V, f
CLK
= 4MHz, f
IN
= 2500Hz = 0.02 • f
CUTOFF
–11 Deg
f
CUTOFF
= 125kHz, Pin 6 Shorted to f
IN
= 25kHz = 0.2 • f
CUTOFF
● –114 –112 –110 Deg
Pin 4, External Clock f
IN
= 62.5kHz = 0.5 • f
CUTOFF
● 78 80 82 Deg
f
IN
= 100kHz = 0.8 • f
CUTOFF
● –85 –83 –81 Deg
f
IN
= 125kHz = f
CUTOFF
● 155 158 161 Deg
f
IN
= 187.5kHz = 1.5 • f
CUTOFF
–95 Deg
Filter Cutoff Accuracy R
EXT
= 10.24k from Pin 6 to Pin 7, 125kHz ±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
● 1.9 V
P-P
V
S
= 5V, Pin 3 = 2V 3.9 V
P-P
● 3.7 V
P-P
V
S
= ±5V 8.6 V
P-P
LTC1569C ● 8.4 V
P-P
LTC1569I ● 8.0 V
P-P
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
= 128kHz, R
LOAD
= 10k unless otherwise specified.
E
LECTR
IC
AL C CHARA TERIST
ICS
LTC1569CS8-7
LTC1569IS8-7
S8 PART
MARKING
Consult factory for Military grade parts.
T
JMAX
= 125°C, θ
JA
= 80°C/W (Note 6)
15697
1569I7
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