LTC2204_15 Datasheet, PDF (12/36 Pages) Linear Technology – 16-Bit, 65Msps/40Msps ADCs

LTC2205/LTC2204
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2205: SFDR and SNR vs
Temperature, f_IN = 5.1MHz
120
LTC2205: SFDR and SNR vs
Input Common Mode Voltage,
f_IN = 5.1MHz
110
SFDR
110
SFDR
100
100
90
90
80
80
SNR
SNR
70
–40 –20 0
20 40 60 80
TEMPERATURE (°C)
22054 G46
LTC2204: 64K Point FFT,
40Msps, f_IN = 5.1MHz, –1dBFS,
PGA = 1, DITH = 0
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G48
LTC2204: 64K Point FFT,
40Msps, f_IN = 5.1MHz, –40dBFS,
PGA = 0, DITH = 0
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
FREQUENCY (MHz)
20
22054 G51
70
0.50 0.75 1.00 1.25 1.50 1.75 2.00
INPUT COMMON MODE VOLTAGE (V)
29701 G46b
LTC2204: 64K Point FFT,
40Msps, f_IN = 5.1MHz, –25dBFS,
PGA = 0, DITH = 0
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G49
LTC2204: 64K Point FFT,
40Msps, f_IN = 5.1MHz, –40dBFS,
PGA = 0, DITH = 1
0
–20
– 40
–60
– 80
–100
–120
–140
0
5
10
15
FREQUENCY (MHz)
20
22054 G52
12
LTC2204: 64K Point FFT,
40Msps, f_IN = 5.1MHz, –1dBFS,
PGA = 0, DITH = 0
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G47
LTC2204: 64K Point FFT,
40Msps, f_IN = 5.1MHz, –25dBFS,
PGA = 0, DITH = 1
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
20
FREQUENCY (MHz)
22054 G50
LTC2204: 64K Point FFT,
40Msps, f_IN = 15.1MHz, –1dBFS,
PGA = 0, DITH = 0
0
–20
– 40
– 60
– 80
–100
–120
–140
0
5
10
15
FREQUENCY (MHz)
20
22054 G53
22054fc