LT6604-2.5 Linear Technology, LT6604-2.5 Datasheet - Page 13

• Manufacturer Part Number: LT6604-2.5
• Description: Dual Very Low Noise Differential Amplifier and 2.5MHz Lowpass Filter
• Manufacturer: Linear Technology

TYPICAL APPLICATIONS
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
12
BASEBAND SIGNAL
24
DAC Output Spectrum
36
FREQUENCY (MHz)
DISCRETE MULTI-TONE
48
16 BIT 4kHz to 2.5MHz
DAC OUTPUT IMAGE
SIGNAL @ 50MSPS
60
72
84
96
660425 TA02b
108
120
LTC1668
LTC1668
–5V
–5V
5V
5V
LADCOM
LADCOM
50MHz
50MHz
CLK
CLK
I
I
I
I
IQ DAC Output Filter
OUT A
OUT B
OUT A
OUT B
52.3Ω
52.3Ω
52.3Ω
52.3Ω
56pF
56pF
–10
–20
–30
–40
–50
–60
–70
–80
–90
1580Ω
1580Ω
1580Ω
1580Ω
0
0
34
12
14
10
12
LT6604-2.5 Output Spectrum
4
6
2
8
1/2
LT6604-2.5
1/2
LT6604-2.5
+
+
–
–
24
–5V
–5V
5V
5V
17
25
24
7
36
+
+
–
–
0.1μF
0.1μF
FREQUENCY (MHz)
0.1μF
0.1μF
27
19
29
21
48
660425 TA02a
60
Q
I
OUT
OUT
72
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84
LT6604-2.5
96
660025 TA02c
108
120
13
660425f