ltc6416 Linear Technology Corporation, ltc6416 Datasheet - Page 8

• Manufacturer Part Number: ltc6416
• Description: 2 Ghz Low Noise Differential 16-bit Adc Buffer
• Manufacturer: Linear Technology Corporation

LTC6416
TYPICAL PERFORMANCE CHARACTERISTICS
8
–100
–100
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
50
45
40
35
30
25
1.05
1.05
Second and Third Harmonic
Distortion vs Output Common
Mode Voltage (75MHz)
Second and Third Harmonic
Distortion vs Output Common
Mode Voltage (300MHz)
0
Output Third Order Intercept
(OIP3
Supply Voltage
V
R
V
V
R
V
V
V
R
V
+
OUT
+
OUT
LOAD
LOAD
+
CM
OUT
LOAD
f = 1MHz
1.10
1.10
= 3.6V
= 3.6V
50
= 3.3V, 3.6V
= 1.25V
= 2V
= 2V
= 2V
= 400Ω
= 400Ω
EQUIV
100
= 400Ω
1.15
1.15
P-P
P-P
P-P
OIP3 V
150
FREQUENCY (MHz)
DIFFERENTIAL
DIFFERENTIAL
) vs Frequency and
1.20
DIFFERENTIAL (COMPOSITE)
1.20
OIP3 V
200
CC
V
V
CM
CM
1.25
1.25
= 3.3V
250
CC
(V)
(V)
= 3.6V
300
HD3
1.30
1.30
350
1.35
1.35
400
HD3
HD2
1.40
1.40
HD2
450
6416 G07
6416 G10
6416 G13
1.45
1.45
500
–100
–100
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
50
45
40
35
30
25
1.05
1.05
Third Order Intermodulation
Distortion (IM3) vs Frequency and
Supply Voltage
0
Second and Third Harmonic
Distortion vs Output Common
Mode Voltage (140MHz)
Output Third Order Intercept
(OIP3
Mode Voltage and Supply Voltage
(140MHz)
V
R
V
V
R
V
V
R
V
+
OUT
+
OUT
LOAD
LOAD
f = 1MHz
+
LOAD
OUT
f = 1MHz
50
1.10
= 3.6V
= 3.3V, 3.6V; V
= 3.3V, 3.6V
1.10
OIP3
= 2V
= 2V
= 2V
100
= 400Ω
= 400Ω
EQUIV
= 400Ω
1.15
EQUIV
1.15
OIP3
P-P
P-P
P-P
150
FREQUENCY (MHz)
DIFFERENTIAL
DIFFERENTIAL (COMPOSITE)
) vs Output Common
DIFFERENTIAL (COMPOSITE)
1.20
EQUIV
1.20
V
200
+
CM
= 3.3V
V
V
IM3 V
CM
CM
1.25
= 1.25V
250
V
1.25
+
(V)
(V)
IM3 V
= 3.6V
CC
300
HD3
1.30
1.30
= 3.3V
CC
350
1.35
1.35
= 3.6V
400
HD2
1.40
1.40
450
6416 G08
6416 G11
6416 G14
1.45
500
1.45
–100
–100
15.0
14.5
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
1.05
1.05
Third Order Intermodulation
Distortion (IM3) vs Output
Common Mode Voltage (140MHz)
0
Second and Third Harmonic
Distortion vs Output Common
Mode Voltage (250MHz)
Output 1dB Compression
(Equivalent) vs Frequency, V
and Supply Voltage
V
R
V
V
R
V
V
R
V
+
OUT
LOAD
+
OUT
LOAD
f = 1MHz
+
OUT
LOAD
1.10
= 3.6V
1.10
= 3.3V, 3.6V
= 3.3V, 3.6V
50
= 2V
= 2V
= 2V
= 400Ω
= 400Ω
= 400Ω
1.15
1.15
100
P-P
P-P
P-P
FREQUENCY (MHz)
DIFFERENTIAL
DIFFERENTIAL (COMPOSITE)
DIFFERENTIAL
1.20
1.20
150
IM3 V
V
IM3 V
V
CM
CM
1.25
1.25
200
(V)
(V)
+
+
= 3.6V
1.30
= 3.3V
1.30
250
V
V
HD3
CM
CM
1.35
1.35
300
= 1.25V
= 1.05V
V
V
+
+
1.40
1.40
350 400
HD2
CM
= 3.3V
= 3.6V
6416 G09
6416 G12
6416 G15
6416f
1.45
1.45