3
LTC1067/LTC1067-50
ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Q Accuracy V
S
= 3V, f
CLK
= 250kHz, Q = 5 ● ±0.5 ±2%
V
S
= 4.75V, f
CLK
= 250kHz, Q = 5 ● ±0.5 ±2%
V
S
= ±5V, f
CLK
= 500kHz, Q = 5 ● ±0.5 ±2%
f
O
Temperature Coefficient ±1 ppm/°C
Q Temperature Coefficient ±5 ppm/°C
DC Offset Voltage (See Table 2) V
OS1
(DC Offset of Input Inverter) ● ±3 ±18 mV
V
OS2
(DC Offset of First Integrator) ● ±4 ±22 mV
V
OS3
(DC Offset of Second Integrator) ● ±4 ±22 mV
Clock Feedthrough 150 µV
RMS
Maximum Clock Frequency Q < 2.5, V
S
= ±5V 2.0 MHz
Power Supply Current V
S
= 3V, f
CLK
= 250kHz ● 2.50 4.5 mA
V
S
= 4.75V, f
CLK
= 250kHz ● 3.00 5.5 mA
V
S
= ±5V, f
CLK
= 500kHz ● 4.35 7.5 mA
LTC1067 (complete filter) V
S
= 4.75V, f
CLK
= 250kHz, T
A
= 25°C, unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Center Frequency Range, f
O
(Note 1) 0.001 to 40 kHz
Input Frequency Range 0 to 1 MHz
Clock-to-Center Frequency, f
CLK
/f
O
V
S
= 3V, f
CLK
= 125kHz, Mode 1, f
O
= 2.5kHz, Q = 5 50:1 ±0.2 %
R1 = R3 = 49.9k, R2 = 10k ● ±0.75 %
V
S
= 4.75V, f
CLK
= 125kHz, Mode 1, f
O
= 2.5kHz, Q = 5 50:1 ±0.2 %
R1 = R3 = 49.9k, R2 = 10k ● ±0.75 %
V
S
= ±5V, f
CLK
= 250kHz, Mode 1, f
O
= 5kHz, Q = 5 50:1 ±0.3 %
R1 = R3 = 49.9k, R2 = 10k ● ±0.75 %
Clock-to-Center Frequency Ratio, V
S
= 3V, f
CLK
= 125kHz, Q = 5 ● ±0.2 ±0.55 %
Side-to-Side Matching V
S
= 4.75V, f
CLK
= 125kHz, Q = 5 ● ±0.2 ±0.55 %
V
S
= ±5V, f
CLK
= 250kHz, Q = 5 ● ±0.2 ±0.55 %
Q Accuracy V
S
= 3V, f
CLK
= 125kHz, Q = 5 ● ±0.5 ±2%
V
S
= 4.75V, f
CLK
= 125kHz, Q = 5 ● ±0.5 ±2%
V
S
= ±5V, f
CLK
= 250kHz, Q = 5 ● ±0.5 ±2%
LTC1067-50 (internal op amps) V
S
= 4.75V, T
A
= 25°C, unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Operating Supply Range 2.7 11 V
Positive Output Voltage Swing V
S
= 3V, R
L
= 10k ● 2.65 2.80 V
V
S
= 4.75V, R
L
= 10k ● 4.25 4.50 V
V
S
= ±5V, R
L
= 10k ● 4.15 4.50 V
Negative Output Voltage Swing V
S
= 3V, R
L
= 10k ● 0.020 0.200 V
V
S
= 4.75V, R
L
= 10k ● 0.025 0.225 V
V
S
= ±5V, R
L
= 10k ● –4.96 – 4.80 V
Output Short-Circuit Current V
S
= 3V 16/0.6 mA
(Source/Sink) V
S
= 4.75V 33/1.2 mA
V
S
= ±5V 70/5.7 mA
DC Open-Loop Gain R
L
= 10k 90 dB
GBW Product R
L
= 10k 1.9 MHz
Slew Rate R
L
= 10k 0.8 V/µs
LTC1067-50 (complete filter) V
S
= 4.75V, f
CLK
= 125kHz, T
A
= 25°C, unless otherwise noted.