LTC1069-7 Просмотр технического описания (PDF) - Linear Technology
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LTC1069-7 Datasheet PDF : 10 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC1069-7
Passband Gain and Phase
vs Frequency
2
180
1
VS = ±5V
fCLK = 2.5MHz
135
0
fC = 100kHz
90
–1
45
–2
GAIN
0
–3
– 45
–4
–90
PHASE
–5
–135
–6
–180
–7
–225
–8
–270
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
1069-7 G10
Passband Gain and Delay
vs Frequency
2
13.5
1
VS = ±5V
fCLK = 2.5MHz
0
fC = 100kHz
13.0
–1
GAIN
–2
12.5
–3
–4
12.0
–5
DELAY
–6
11.5
–7
–8
11.0
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
1069-7 G12
Phase Matching vs Frequency
2.50
2.25
70°C
2.00
1.75
25°C
1.50
1.25
1.00
0.75
0.50
0.25
0
0
VS = ±5V
fCLK ≤ 2.5MHz
PHASE DIFFERENCE BETWEEN
ANY TWO UNITS (SAMPLE OF
20 REPRESENTATIVE UNITS)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
FREQUENCY (fCUTOFF/FREQUENCY)
1069-7 G11
Transient Response
VS = ±5V
0.1ms/DIV
fCLK = 500kHz
fCUTOFF = 20kHz
VIN = 4VP-P SQUARE WAVE AT 1kHZ
1069-7 G15
THD + Noise vs Input (VP-P)
– 40
fCLK = 1MHz
–45 fC = 40kHz
fIN = 1kHz
– 50
– 55
VS = 5V
– 60
– 65
–70
VS = ±5V
–75
0.1
1
INPUT (VP-P)
10
1609-7 G13
Output Offset vs Clock Frequency
–10
–15
–20
VS = 5V
–25
–30
–35
VS = ±5V
– 40
– 45
– 50
0.25
1.25 2.25 3.25 4.25 5.25
CLOCK FREQUENCY (MHz)
1069-7 G16
THD + Noise vs Frequency
– 40
fCLK = 2.5MHz
–45 fC = 100kHz
– 50
– 55
VS = 5V, VIN = 1VP-P
– 60
– 65
–70
–75
– 80
1
VS = ±5V, VIN = 2VP-P
10
FREQUENCY (kHz)
100
1069-7 G14
Output Voltage Swing
vs Temperature
4.3
4.2
4.1
VS = 5V (AGND AT 2.5V)
fCLK = 500kHz
fCUTOFF = 20kHz
1.2
RL = 10k
ISOURCE/ISINK ≤ 1mA
1.1
1.0
–40 –20
0 20 40 60
TEMPERATURE (°C)
80 100
1069-7 G17
10697fa
5
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