Datasheet

LTC2203/LTC2202
15
22032fd
LTC2202: SNR and SFDR
vs Sample Rate
LTC2202: SNR and SFDR vs
Supply Voltage (V
DD
), f
IN
= 5MHz
LTC2202: I
VDD
vs Sample Rate,
5MHz Sine Wave, –1dBFS
LTC2202: Normalized Full
Scale vs Temperature, Internal
Reference, 5 Units
SAMPLE RATE (Msps)
0
100
105
110
16
22032 G69
95
90
4 8 12 20
85
80
75
SNR AND SFDR (dBFS)
SFDR
RATED MAX
SNR
SUPPLY VOLTAGE (V)
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
SNR SFDR (dBFS)
95
100
105
22032 G70
90
85
80
75
110
SFDR
LOWER LIMIT
UPPER LIMIT
SNR
SAMPLE RATE (Msps)
0
I
VDD
(mA)
46
48
50
8
22032 G71
44
42
45
47
49
43
41
40
2
4
6
10
TEMPERATURE (°C)
–40
0.99
NORMALIZED FULL SCALE
0.995
1
1.005
1.01
20 0 20 40
22032 G72
60 80
TEMPERATURE (˚C)
–40
OFFSET VOLTAGE (mV)
2
4
6
20 60
22032 G73
0
–2
–20 0
40 80
–4
–6
INPUT COMMON MODE VOLTAGE (V)
0.5
60
SFDR (dBc)
70
80
90
0.75
1
1.25 1.50
22032 G74
1.75
100
110
65
75
85
95
105
2
LTC2202: Offset Voltage
vs Temperature, 5 Units
LTC2202: SFDR vs Input Common
Mode Voltage, f
IN
= 5MHz,
–1dBFS, PGA = 0
TYPICAL PERFORMANCE CHARACTERISTICS
TIME AFTER WAKE-UP OR CLOCK START (μs)
0
FULL-SCALE ERROR (%)
0.2
0.6
1.0
400
22032 G75
–0.2
–0.6
0
0.4
0.8
–0.4
–0.8
–1.0
10050
200150
300 350 450
250
500
TIME FROM WAKE-UP OR CLOCK START (μs)
0
FULL-SCALE ERROR (%)
1
3
5
800
22032 G76
–1
–3
0
2
4
–2
–4
–5
200100
400300
600 700 900
500
1000
Mid-Scale Settling After Wake
Up from Shutdown or Starting
Encode Clock
Full-Scale Settling After Wake
Up from Shutdown or Starting
Encode Clock