LTC2205 Linear Technology, LTC2205 Datasheet - Page 11

• Manufacturer Part Number: LTC2205
• Description: (LTC2204 / LTC2205) 65Msps/40Msps
• Manufacturer: Linear Technology

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TYPICAL PERFORMANCE CHARACTERISTICS
130
120
110
100
110
100
70
60
90
80
50
40
30
20
90
80
70
–3
–5
–1
–2
–4
–6
–7
1
0
–80
–60 –40
0
LTC2205: SFDR vs Input Level,
f
DITH = 1, RAND = 1, PGA = 0
LTC2205: SFDR and SNR vs
Sample Rate, f
–1dBFS, PGA = 0
LTC2205: Gain Error Drift with
Internal Reference vs Temperature
IN
10
= 140.1MHz,
–70
20
–60
–20
30
SAMPLE RATE (Msps)
INPUT LEVEL (dBFS)
TEMPERATURE (°C)
–50
40 50
0
IN
–40 –30
20
= 5.1MHz,
60
SNR
70
40
80
–20 –10
60
SFDR
90 100
80
22054 G37
22054 G40
22054 G43
110
100
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
110
100
110
100
0.8
0.6
0.4
0.2
80
70
80
70
90
90
0
–60 –40
2.4
0
LTC2205: Gain Drift with External
Reference vs Temperature
LTC2205: SFDR vs Input
Frequency, DITH = 0, RAND = 0
LTC2205: SFDR and SNR vs
Supply Voltage, f
65Msps, PGA = 0
2.6
50
–20
INPUT FREQUENCY (MHz)
TEMPERATURE (°C)
2.8
SUPPLY VOLTAGE
100
0
3.0
20
IN
SNR
150
= 5.1MHz,
3.2
40
PGA = 0
SFDR
60
3.4
PGA = 1
200
80
22054 G44
22054 G38
22054 G41
3.6
250
100
LTC2205/LTC2204
190
180
170
200
160
150
140
130
210
76
70
–3
80
79
78
77
75
74
73
72
71
–1
–2
–4
0
–40
0
LTC2205: SNR vs Input Frequency,
DITH = 0, RAND = 0
0
LTC2205: IVDD vs Sample Rate,
f
LTC2205: V
IN
10
= 5.1MHz, –1dBFS
–20
20 30
V
DD
100
INPUT FREQUENCY (MHz)
= 3.3V
SAMPLE RATE (Msps)
TEMPERATURE (°C)
0
CM
40
50
Drift vs Temperature
PGA = 1
V
200
20
DD
60
V
PGA = 0
DD
= 3.47V
70
= 3.13V
40
80
300
90
60
11
22054 G42
100
22054 G39
22054 G45
22054fb
80
110
400