LT10647FB_15 Datasheet, PDF (7/16 Pages) Linear Technology – Linear Phase, 8th Order Lowpass Filter

TYPICAL PERFOR A CE CHARACTERISTICS
LTC1064-7
THD + Noise vs Frequency
– 40
– 45
V_S = ±5V
V_IN = 1V_RMS
–50 fCLK = 1MHz
– 55
(f_CLK/f_C) = 50:1
(100k RESISTOR
–60 ^{PIN 9 TO V–)}
– 65
– 70
– 75
– 80
– 85
– 90
1
10
20
FREQUENCY (kHz)
1064-7 G17
THD + Noise vs Input
– 40
– 45
f_IN = 1kHz
f_CLK = 1MHz
–50 ^{(fCLK/fC) = 50:1}
(100k PIN 9
–55 TO V^–)
A. V_S = ±5V
B. V_S = ±7.5V
AB
– 60
– 65
– 70
– 75
– 80
– 85
– 90
0.1
1
INPUT (V_RMS)
5
1064-7 G20
THD + Noise vs Input
– 40
–45 ^{VS = SINGLE 5V}
f_IN = 1kHz
A
–50 f_CLK = 500kHz
–55 ^{(fCLK/fC) = 100:1}
– 60
– 65
– 70
– 75
– 80
–85 ^{A. PINS 3, 5 AT 2V}
B. PINS 3, 5 AT 2.5V
– 90
0.1
INPUT (V_RMS)
B
1
2
1064-7 G23
THD + Noise vs Frequency
– 40
– 45
V_S = SINGLE 5V
V_IN = 0.5V_RMS
–50 ^fCLK ^{= 1MHz}
– 55
(f_CLK/f_C) = 50:1
(PINS 3, 5 AT 2V)
– 60
– 65
– 70
– 75
– 80
– 85
– 90
1
10
20
FREQUENCY (kHz)
1064-7 G18
THD + Noise vs Input
– 40
– 45
f_IN = 1kHz
f_CLK = 2MHz
–50 ^{(fCLK/fC) = 100:1}
– 55
A. V_S = ±5V
B. V_S = ±7.5V
AB
– 60
– 65
– 70
– 75
– 80
– 85
– 90
0.1
1
INPUT (V_RMS)
5
1064-7 G21
Phase Matching vs Frequency
5
PHASE DIFFERENCE BETWEEN
ANY TWO UNITS (SAMPLE OF
4 ^{50 REPRESENTATIVE UNITS)}
V_S ≥ ±5V
f_CLK ≤ 2.5MHz
3
(f_CLK/f_C) = 50:1 OR 100:1
T_A = 0°C TO 70°C
2
1
0
0
0.2 0.4 0.6 0.8 1.0
FREQUENCY (f_CUTOFF/FREQUENCY)
1064-7 G24
THD + Noise vs Frequency
– 40
–45 ^{VS = SINGLE 5V}
V_IN = 0.5V_RMS
– 50 fCLK = 500kHz
– 55
(f_CLK/f_C) = 100:1
(PINS 3, 5 AT 2V)
– 60
– 65
– 70
– 75
– 80
– 85
– 90
1
2
3
FREQUENCY (kHz)
45
1064-7 G19
THD + Noise vs Input
– 40
–45 ^{VS = SINGLE 5V}
f_IN = 1kHz
A
–50 f_CLK = 1MHz
–55 ^{(fCLK/fC) = 50:1}
– 60
– 65
– 70
– 75
– 80
–85 ^{A. PINS 3, 5 AT 2V}
B. PINS 3, 5 AT 2.5V
– 90
0.1
INPUT (V_RMS)
B
1
2
1064-7 G22
Power Supply Current vs
Power Supply Voltage
48
44 ^fCLK ^{= 1MHz}
40
36
32
28
24
– 55°C
20
25°C
16
125°C
12
8
4
0
0 2 4 6 8 10 12 14 16 18 20 22 24
TOTAL POWER SUPPLY VOLTAGE (V)
1064-7 G25
10647fb
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