LTC2202_15 Datasheet, PDF (11/32 Pages) Linear Technology – 16-Bit, 25Msps/10Msps ADCs

TYPICAL PERFORMANCE CHARACTERISTICS
LTC2203/LTC2202
LTC2203: SNR and SFDR
vs Sample Rate
110
SFDR
105
RATED MAX
100
95
90
85
SNR
80
75
0 5 10 15 20 25 30 35 40 45 50
SAMPLE RATE (Msps)
22032 G34
LTC2203: Normalized Full
Scale vs Temperature, Internal
Reference, 5 Units
1.01
1.005
1
0.995
0.99
–40 –20 0
20 40 60 80
TEMPERATURE (°C)
22032 G37
LTC2202: Integral Nonlinearity
(INL) vs Output Code
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0
16384
32768
CODE
49152 65536
22032 G40
LTC2203: SNR and SFDR vs
Supply Voltage (V_DD), f_IN = 5MHz
110
LOWER LIMIT UPPER LIMIT
105
100
SFDR
95
90
85
SNR
80
75
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
SUPPLY VOLTAGE (V)
22032 G35
LTC2203: Offset Voltage
vs Temperature, 5 Units
6
4
2
0
–2
–4
–6
–40 –20 0
20 40 60 80
TEMPERATURE (˚C)
22032 G38
LTC2203: I_VDD vs Sample Rate,
5MHz Sine Wave, –1dBFS
75
70
65
60
55
50
0
5
10
15
20
25
SAMPLE RATE (Msps)
22032 G36
LTC2203: SFDR vs Input Common
Mode Voltage, f_IN = 5MHz,
–1dBFS, PGA = 0
110
105
100
95
90
85
80
75
70
65
60
0.5
0.75 1 1.25 1.50 1.75 2
INPUT COMMON MODE VOLTAGE (V)
22032 G39
LTC2202: Differential Nonlinearity
(DNL) vs Output Code
1.0
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1.0
0
16384
32768
CODE
49152 65536
22032 G41
LTC2202: AC Grounded Input
Histogram (256K Samples)
50000
45000
40000
35000
30000
25000
20000
15000
10000
5000
0
32793
32797 32801 32805
OUTPUT CODE
32809
22032 G42
22032fd
11