LTC1569-7 Datasheet, PDF (2/12 Pages) Linear Technology – Linear Phase, DC Accurate, Tunable, 10th Order Lowpass Filter

LTC1569-7
ABSOLUTE AXI U RATI GS
(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
PACKAGE/ORDER I FOR ATIO
IN⁺ 1
IN^– 2
GND 3
V^– 4
TOP VIEW
8 OUT
7 V⁺
6 R_X
5 DIV/CLK
S8 PACKAGE
8-LEAD PLASTIC SO
T_JMAX = 125°C, θ_JA = 80°C/W (Note 6)
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1569CS8-7
LTC1569IS8-7
S8 PART
MARKING
15697
1569I7
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply
V_S = 3V (V ⁺ = 3V, V ^– = 0V), f_CUTOFF = 128kHz,
over the
R_LOAD =
full
10k
operating temperature range,
unless otherwise specified.
otherwise
specifications
are
at
T_A
=
25°C.
PARAMETER
Filter Gain
Filter Phase
Filter Cutoff Accuracy
when Self-Clocked
Filter Output DC Swing
CONDITIONS
V_S = 5V, f_CLK = 8.192MHz,
f_CUTOFF = 256kHz, V_IN = 2.5V_P-P,
R_EXT = 5k, Pin 5 Shorted to Pin 4
V_S = 2.7V, f_CLK = 1MHz,
f_CUTOFF = 31.25kHz, V_IN = 1V_P-P,
Pin 6 Shorted to Pin 4, External Clock
V_S = 2.7V, f_CLK = 4MHz,
f_CUTOFF = 125kHz, Pin 6 Shorted to
Pin 4, External Clock
R_EXT = 10.24k from Pin 6 to Pin 7,
V_S = 3V, Pin 5 Shorted to Pin 4
V_S = 3V, Pin 3 = 1.11V
f_IN = 5120Hz = 0.02 • f_CUTOFF
f_IN = 51.2kHz = 0.2 • f_CUTOFF
f_IN = 128kHz = 0.5 • f_CUTOFF
f_IN = 204.8kHz = 0.8 • f_CUTOFF
f_IN = 256kHz = f_CUTOFF, LTC1569C
f_IN = 256kHz = f_CUTOFF, LTC1569I
f_IN = 384kHz = 1.5 • f_CUTOFF
f_IN = 512kHz = 2 • f_CUTOFF
f_IN = 768kHz = 3 • f_CUTOFF
f_IN = 625Hz = 0.02 • f_CUTOFF
f_IN = 6.25kHz = 0.2 • f_CUTOFF
f_IN = 15.625kHz = 0.5 • f_CUTOFF
f_IN = 25kHz = 0.8 • f_CUTOFF
f_IN = 31.25kHz = f_CUTOFF
f_IN = 46.875kHz = 1.5 • f_CUTOFF
f_IN = 62.5kHz = 2 • f_CUTOFF
f_IN = 93.75kHz = 3 • f_CUTOFF
f_IN = 2500Hz = 0.02 • f_CUTOFF
f_IN = 25kHz = 0.2 • f_CUTOFF
f_IN = 62.5kHz = 0.5 • f_CUTOFF
f_IN = 100kHz = 0.8 • f_CUTOFF
f_IN = 125kHz = f_CUTOFF
f_IN = 187.5kHz = 1.5 • f_CUTOFF
V_S = 5V, Pin 3 = 2V
V_S = ±5V
LTC1569C
LTC1569I
MIN TYP MAX
q – 0.10
q – 0.25
q – 0.50
q – 1.1
q – 5.7
q – 6.2
q
q
q
0.00
– 0.15
– 0.41
– 0.65
– 3.8
– 3.8
– 58
– 62
– 67
0.10
– 0.05
– 0.25
– 0.40
– 2.3
– 2.0
– 48
– 54
– 64
q – 0.08
q – 0.25
q – 0.50
q – 0.75
q – 3.3
q
q
q
0.00
– 0.15
– 0.40
– 0.65
– 3.15
– 57
– 60
– 66
0.12
– 0.05
– 0.30
– 0.50
– 3.0
– 52
– 54
– 58
–11
q – 114 –112 –110
q 78
80
82
q – 85 – 83 – 81
q 155
158
161
– 95
125kHz ±1%
UNITS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Deg
Deg
Deg
Deg
Deg
Deg
2.1
V_P-P
q 1.9
V_P-P
3.9
V_P-P
q 3.7
V_P-P
8.6
V_P-P
q 8.4
V_P-P
q 8.0
V_P-P
2