LTC2205 Linear Technology, LTC2205 Datasheet - Page 16

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

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LTC2205/LTC2204
TYPICAL PERFORMANCE CHARACTERISTICS
16
110
100
110
100
80
90
70
80
70
60
90
2.4
0
LTC2204: SFDR and SNR vs
Supply Voltage, DITH = 0,
RAND = 0
LTC2204: SFDR vs Input
Frequency, DITH = 0, RAND = 0
2.6
50
INPUT FREQUENCY (MHz)
SUPPLY VOLTAGE (V)
2.8
100
3.0
SNR
SFDR
150
3.2
PGA = 0
3.4
PGA = 1
200
22054 G84
22054 G81
3.6
250
160
140
120
180
170
150
130
80
79
78
77
76
75
74
73
72
70
71
LTC2204: SNR vs Input Frequency,
DITH = 0, RAND = 0
0
LTC2204: IVDD vs Sample Rate,
f
RAND = 0
0
IN
= 5.1MHz, dBFS, DITH = 0,
10
20
V
100
INPUT FREQUENCY (MHz)
DD
SAMPLE RATE (Msps)
30
= 3.3V
40
PGA = 1
200
V
50
DD
V
DD
= 3.47V
60
PGA = 0
= 3.13V
300
70
22054 G85
22054 G82
80
400
90
100
110
100
110
80
90
70
80
90
70
0.50
0
LTC2204: SFDR and SNR vs Sample
Rate, f
PGA = 0, DITH = 0, RAND = 0
LTC2204: SNR and SFDR vs
Input Common Mode Voltage,
DITH = 0, RAND = 0
10
INPUT COMMON MODE VOLTAGE (V)
0.75
IN
20
= 5.1MHz, –1dBFS,
SAMPLE RATE (Msps)
1.00
30
SNR
40
1.25
50
SNR
SFDR
1.50
SFDR
60
70
1.75
22054 G86
80
22054 G83
22054fb
2.00
90