LTC1264-7CSW#PBF Linear Technology, LTC1264-7CSW#PBF Datasheet - Page 8

• Manufacturer Part Number: LTC1264-7CSW#PBF
• Description: IC FILTER 8TH ORDR LOWPASS16SOIC
• Manufacturer: Linear Technology

Specifications of LTC1264-7CSW#PBF

• Filter Type: Linear Phase, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 200kHz
• Number Of Filters: 1
• Max-order: 8th
• Voltage - Supply: ±2.375 V ~ 8 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFOR
LTC1264-7
Table 1. Passband Gain and Phase
V
FREQUENCY (kHz)
f
f
f
f
f
8
CLK
CLK
CLK
CLK
CLK
S
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
= ±7.5V, (f
= 1MHz (Typical Unit)
= 2MHz (Typical Unit)
= 3MHz (Typical Unit)
= 4MHz (Typical Unit)
= 5MHz (Typical Unit)
120.000
120.000
160.000
100.000
150.000
200.000
50m
10.000
20.000
30.000
40.000
20.000
40.000
60.000
80.000
30.000
60.000
90.000
40.000
80.000
50.000
THD + Noise vs Input
0.000
0.000
0.000
0.000
0.000
A. PIN 3 AT 2.5V
B. PIN 3 AT 2V
V
f
f
CLK
IN
S
= SINGLE 5V
= 1kHz
= 500kHz
0.1
INPUT AMPLITUDE (V
CLK
/ f
C
) = 25:1, T
RMS
GAIN (dB)
A
– 0.639
– 2.741
– 0.006
– 0.006
– 0.164
– 0.958
– 3.003
– 0.067
– 0.067
– 0.287
– 0.944
– 2.545
– 0.031
– 0.031
– 0.078
– 0.332
– 1.275
W
= 25°C
)
0.064
0.064
0.058
0.073
0.073
0.365
0.686
0.521
A
1264-7 G26
A
B
U
1
CE
C
HARA TERISTICS
PHASE (DEG)
1
5
4
3
2
0
– 221.78
– 225.01
– 128.51
– 230.19
– 135.27
– 239.76
– 146.19
– 255.85
–120.63
–124.09
0
– 22.13
– 25.54
– 30.06
– 37.11
Phase Matching vs Frequency
–19.18
180.00
180.00
180.00
180.00
180.00
81.14
79.42
77.49
75.23
71.77
PHASE DIFFERENCE BETWEEN
ANY TWO UNITS (SAMPLE OF
50 REPRESENTATIVE UNITS)
V
f
(f
T
CLK
S
A
CLK
= 0°C TO 70°C
≥ ±5V
FREQUENCY (f
≤ 2.5MHz
/f
0.2
C
C
) = 25:1 OR 50:1
0.4
CUTOFF
Table 2. Passband Gain and Phase
V
FREQUENCY (kHz)
f
f
f
f
f
CLK
CLK
CLK
CLK
CLK
S
0.6
/FREQUENCY)
= ±7.5V, (f
= 1MHz (Typical Unit)
= 2MHz (Typical Unit)
= 3MHz (Typical Unit)
= 4MHz (Typical Unit)
= 5MHz (Typical Unit)
100.000
10.000
15.000
20.000
10.000
20.000
30.000
40.000
15.000
30.000
45.000
60.000
20.000
40.000
60.000
80.000
25.000
50.000
75.000
0.000
5.000
0.000
0.000
0.000
0.000
0.8
1264-7 G27
CLK
1.0
/ f
C
) = 50:1, T
48
44
40
36
32
28
24
20
16
12
8
4
0
0
Power Supply Current vs Power
Supply Voltage
GAIN (dB)
A
f
– 0.048
– 0.048
– 0.351
– 1.253
– 3.348
– 0.008
– 0.008
– 0.237
– 1.105
– 3.238
– 0.065
– 0.863
– 3.022
– 0.664
– 2.755
– 1.437
– 2.421
CLK
2
= 25°C
TOTAL POWER SUPPLY VOLTAGE (V)
0.044
0.071
0.039
0.089
0.141
0.044
0.071
0.089
= 1MHz
4
6
8 10
12
14
PHASE (DEG)
– 105.53
– 199.61
– 108.91
– 204.09
– 118.48
– 217.67
– 128.54
– 231.42
– 139.33
– 246.01
16
– 10.87
– 13.09
– 18.64
– 25.06
– 32.41
125°C
180.00
180.00
180.00
180.00
180.00
25°C
–55°C
84.51
83.39
81.04
78.04
74.36
18
20
1264-7 G28
12647fa
22 24