LTC1067-50IS#TRPBF Linear Technology, LTC1067-50IS#TRPBF Datasheet - Page 4

• Manufacturer Part Number: LTC1067-50IS#TRPBF
• Description: IC FILTR BLDNGBLK R-R DUAL16SOIC
• Manufacturer: Linear Technology

Specifications of LTC1067-50IS#TRPBF

• Filter Type: Universal Switched Capacitor
• Frequency - Cutoff Or Center: 40kHz
• Number Of Filters: 2
• Max-order: 4th
• Voltage - Supply: 2.7 V ~ 11 V, ±2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC1067/LTC1067-50
LTC1067-50 (complete filter) V
PARAMETER
f
Q Temperature Coefficient
DC Offset Voltage (See Table 2)
Clock Feedthrough
Maximum Clock Frequency
Power Supply Current
The
temperature range.
TYPICAL PERFORMANCE CHARACTERISTICS
4
ELECTRICAL CHARACTERISTICS
O
–100
Temperature Coefficient
–20
–30
–40
–50
–60
–70
–80
–90
50
40
30
20
10
0
0.1
denotes the specifications which apply over the full operating
LTC1067 Maximum Q vs
Center Frequency
(Modes 1, 1B, 2 where R4 10R2)
0
LTC1067
Noise + THD vs Input Voltage
4TH ORDER BUTTERWORTH LPF
V
f
R
CLK
S
L
= SINGLE 5V, f
= 20k
= 500kHz, f
CENTER FREQUENCY, f
INPUT VOLTAGE (V
5
–3dB
IN
V
f
CLK(MAX)
S
= 1kHz
10
= 5kHz
= 5V
V
f
CLK(MAX)
S
V
f
= 5V
CLK(MAX)
S
= 2MHz
RMS
= 3.3V
O
MODE 1
MODE 3
(kHz)
S
15
)
= 1.5MHz
W
1
= 4.75V, f
= 1MHz
1067 G04
CONDITIONS
V
V
V
Q < 2.5, V
V
V
V
1067 G01
OS1
OS2
OS3
S
S
S
= 3V, f
= 4.75V, f
= 5V, f
U
20
2
(DC Offset of Input Inverter)
(DC Offset of First Integrator)
(DC Offset of Second Integrator)
CLK
CLK
S
CLK
= 5V
= 125kHz, T
CLK
= 125kHz
–100
= 250kHz
–20
–30
–40
–50
–60
–70
–80
–90
= 125kHz
50
40
30
20
10
0
0.1
LTC1067 Maximum Q vs
Center Frequency
(Modes 2 where R4 < 10R2, 3)
0
LTC1067
Noise + THD vs Input Voltage
4TH ORDER BUTTERWORTH LPF
V
f
R
CLK
S
L
= 5V, f
= 20k
A
= 500kHz, f
CENTER FREQUENCY, f
= 25 C, unless otherwise noted.
5
INPUT VOLTAGE (V
IN
= 1kHz
–3dB
V
f
CLK(MAX)
S
10
= 5V
Note 1: See Typical Performance Characteristics.
= 5kHz
MODE 1
V
f
CLK(MAX)
S
V
f
CLK(MAX)
= 5V
1
S
MODE 2
= 2MHz
= 3.3V
RMS
O
MODE 3
(kHz)
= 1.5MHz
15
)
= 1MHz
1067 G05
1067 G02
20
5
–100
–20
–30
–40
–50
–60
–70
–80
–90
–60
–65
–70
–75
–80
–85
–90
MIN
0.1
1
LTC1067
Noise + THD vs Input Voltage
LTC1067
Noise + THD vs Input Frequency
MODE 1
MODE 3
4TH ORDER BUTTERWORTH LPF
V
f
R
CLK
S
L
= SINGLE 3.3V, f
= 20k
= 400kHz, f
INPUT FREQUENCY (kHz)
INPUT VOLTAGE (V
1.00
1.45
2.35
TYP
150
2.0
4TH ORDER BUTTERWORTH LPF
V
f
f
CLK
–3dB
1
5
3
4
4
S
= SINGLE 3.3V
= 400kHz, V
–3dB
= 4kHz, R
2
IN
MODE 3
MODE 1
= 4kHz
= 1kHz
MAX
2.5
3.0
4.0
18
22
22
L
IN
= 20k
RMS
3
= 0.36V
)
1
ppm/ C
ppm/ C
4
UNITS
RMS
1067 G03
1067 G06
V
MHz
RMS
mV
mV
mV
mA
mA
mA
2
5