ltc2203 Linear Technology Corporation, ltc2203 Datasheet - Page 10

• Manufacturer Part Number: ltc2203
• Description: 16-bit, 25msps Adc
• Manufacturer: Linear Technology Corporation

LTC2203/LTC2202
TYPICAL PERFOR
10
–100
–110
–130
–140
–120
–60
–80
–10
–20
–30
–40
–50
–70
–90
140
120
110
100
105
100
80
60
40
95
90
85
75
20
80
0
0
–70
0
0
LTC2203: 32K Point 2-Tone FFT,
f
–7dBFS, PGA = 0
LTC2203: SFDR vs Input Level,
f
Dither “On”
LTC2203: SNR and SFDR vs
Sample Rate
IN
IN
5
= 44.9MHz and 70.1MHz,
= 70.1MHz, PGA = 0,
–60
SFDR
SNR
2
10 15
–50
SAMPLE RATE (Msps)
INPUT LEVEL (dBFS)
FREQUENCY(MHz)
4
20
–40
6
25
RATED MAX
–30
30
8
35
–20
W
10
40
–10
A
22032 G31
22023 G34
22032 G28
45 50
U
12
0
CE CHARACTERISTICS
–140
–100
–110
–120
–130
–10
–20
–30
–40
–50
–60
–70
–80
–90
105
100
110
110
105
100
95
90
85
80
70
95
90
85
75
75
80
0
2.8
0
LTC2203: 32K Point 2-Tone FFT,
f
–15dBFS, PGA = 0
0
LTC2203: SFDR (HD2 or HD3) vs
Input Frequency
LTC2203: SNR and SFDR vs
Supply Voltage (V
IN
= 44.9MHz and 70.1MHz,
2.9
LOWER LIMIT
2
PGA = 0
20
3.0
INPUT FREQUENCY (MHz)
SUPPLY VOLTAGE (V)
FREQUENCY(MHz)
4
3.1
40
PGA = 1
6
3.2
DD
UPPER LIMIT
60
SFDR
SNR
), f
3.3
8
IN
3.4 3.5
= 5MHz
10
80
22023 G32
22023 G35
22032 G29
12
100
3.6
140
120
100
82
81
80
79
78
77
76
75
73
75
70
60
55
50
74
65
80
60
40
20
0
–70
0
0
LTC2203: I
5MHz Sine Wave, –1dBFS
LTC2203: SFDR vs Input Level,
f
Dither “Off”
LTC2203: SNR vs Input Frequency
IN
= 70.1MHz, PGA = 0,
–60
20
5
PGA = 1
INPUT FREQUENCY (MHz)
–50
SAMPLE RATE (Msps)
40
INPUT LEVEL (dBFS)
VDD
PGA = 0
10
–40
60
vs Sample Rate,
–30
80
15
–20
100
20
–10
120
22023 G33
22023 G36
22023 G30
22032fb
140
25
0