LT6604-2.5 Linear Technology, LT6604-2.5 Datasheet - Page 5

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

TYPICAL PERFORMANCE CHARACTERISTICS
–12
–24
–36
–48
–60
–72
–84
–96
–100
–110
12
100
0.1
–60
–70
–80
–90
0
10
100k
1
100k
Frequency Response
0.1
Output Impedance vs Frequency
(OUT+ or OUT–)
Distortion vs Frequency
DIFFERENTIAL INPUT,
2ND HARMONIC
DIFFERENTIAL INPUT,
3RD HARMONIC
SINGLE-ENDED INPUT,
2ND HARMONIC
SINGLE-ENDED INPUT,
3RD HARMONIC
FREQUENCY (Hz)
1M
1M
FREQUENCY (MHz)
FREQUENCY (Hz)
1
10M
10M
V
R
GAIN = 1
V
V
R
EACH OUTPUT
GAIN = 1
IN
S
S
IN
L
= 3V
= 800Ω AT
= 2.5V
= 2V
= 1580Ω
660425 G01
660425 G04
660425 G07
P-P
50M
100M
10
–1
–2
–3
–4
–5
–6
–7
–8
–9
1
0
0.5
Passband Gain and Group Delay
–100
–110
0.75
–60
–70
–80
–90
110
100
90
80
70
60
50
40
0.1
GROUP DELAY
1k
Common Mode Rejection Ratio
Distortion vs Frequency
1.0
V
V
R
GAIN = 1
IN
S
IN
1.25
= 5V
= 1V
= 1580Ω
FREQUENCY (MHz)
DIFFERENTIAL INPUT,
2ND HARMONIC
DIFFERENTIAL INPUT,
3RD HARMONIC
SINGLE-ENDED INPUT,
2ND HARMONIC
SINGLE-ENDED INPUT,
3RD HARMONIC
10k
GAIN
1.5
P-P
1.75
FREQUENCY (MHz)
FREQUENCY (Hz)
100k
2.0
2.25
1
V
R
GAIN = 1
T
1M
S
A
IN
2.5
= 5V
= 25 C
= 1580Ω
V
V
R
EACH OUTPUT
GAIN = 1
2.75
660425 G02
IN
S
L
= 5V
= 800Ω AT
10M
= 2V
3.0
P-P
660425 G08
660425 G05
320
300
280
260
240
220
200
180
160
140
120
100M
10
12
11
10
9
8
7
6
5
4
3
2
0.5
–100
–110
Passband Gain and Group Delay
–60
–70
–80
–90
90
80
70
60
50
40
30
20
10
0.75
0
0.1
1k
Power Supply Rejection Ratio
Distortion vs Frequency
1.0
GROUP DELAY
1.25
DIFFERENTIAL INPUT,
2ND HARMONIC
DIFFERENTIAL INPUT,
3RD HARMONIC
SINGLE-ENDED INPUT,
2ND HARMONIC
SINGLE-ENDED INPUT,
3RD HARMONIC
FREQUENCY (MHz)
10k
1.5
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FREQUENCY (MHz)
GAIN
FREQUENCY (Hz)
1.75
LT6604-2.5
100k
2.0
1
2.25
1M
V
DIFFERENTIAL OUT
V
+
S
V
R
GAIN = 4
T
S
A
2.5
IN
TO
= 3V
= 25 C
V
V
R
EACH OUTPUT
GAIN = 1
= 5V
= 402Ω
IN
S
L
2.75
660425 G03
= 5V
= 800Ω AT
10M
= 2V
3.0
660425 G06
660425 G09
P-P
660425f
320
300
280
260
240
220
200
180
160
140
120
5
100M
10