ltc6416 Linear Technology Corporation, ltc6416 Datasheet - Page 9

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

TYPICAL PERFORMANCE CHARACTERISTICS
200mV/DIV
10mV/DIV
50
45
40
35
30
25
20
15
10
5
0
0
Supply Current vs Supply Voltage
Small Signal Transient Response,
Falling Edge
Positive Overdrive Recovery
(V
0.5
CLHI
1.0
Pin)
SUPPLY VOLTAGE (V)
IN
1.5
+
500ps/DIV
OUT
20ns/DIV
2.0
+
2.5
3.0
3.5
6416 G16
6416 G31
6416 G18
4.0
200mV/DIV
14
12
10
8
6
4
2
0
–100
–110
–120
–130
1k
–10
–20
–30
–40
–50
–60
–70
–80
–90
Noise Figure and Input Referred
Noise Voltage vs Frequency
0
0
LTC6416 Driving LTC2208 16-Bit
ADC, 64K Point FFT, f
–1dBFS, PGA = 0
V
HD2 = –104.9dBc
HD3 = –86.1dBc
SFDR = 86.05dB
SNR = 76.5dB
SEE FIGURE 5/
TABLE 1
1:1 BALUN
10k
+
Negative Overdrive Recovery
(V
= 3.6V
eN
CLLO
NF
10
100k
OUT
FREQUENCY (Hz)
Pin)
20
+
FREQUENCY (MHz)
IN
1M
+
20ns/DIV
30
10M
3
IN
40
100M
= 30MHz,
50
6416 G17
1G
6416 G20
6416 G19
2
14
12
10
8
6
4
2
0
60
10mV/DIV
–100
–110
–120
–130
–10
–20
–30
–40
–50
–60
–70
–80
–90
30
20
10
90
80
70
60
50
40
0
0
0.1
PSRR vs Frequency
0
V
Small Signal Transient Response,
Rising Edge
LTC6416 Driving LTC2208 16-Bit
ADC, 64K Point FFT, f
–1dBFS, PGA = 1
+
V
HD2 = –101.9dBc
HD3 = –96.2dBc
SFDR = 96.2dBc
SNR = 74.2dB
SEE FIGURE 5/
TABLE 1
1:1 BALUN
+
= 3.6V
= 3.6V
10
1
FREQUENCY (MHz)
20
FREQUENCY (MHz)
500ps/DIV
10
30
LTC6416
3
IN
40
= 30MHz,
100
50
6416 G30
6416 G29
6416 G21
9
1000
2
6416f
60