ltc2203 Linear Technology Corporation, ltc2203 Datasheet - Page 14

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

LTC2203/LTC2202
TYPICAL PERFOR
14
–100
–110
–120
–130
–140
–10
–20
–30
–40
–50
–60
–70
–80
–90
140
100
120
80
40
20
60
0
0
–80
LTC2202: 32K Point 2-Tone FFT,
f
–7dBFS, PGA = 0
0
LTC2202: SFDR vs Input Level,
f
Dither “On”
IN
IN
= 60.2MHz and 70.1MHz,
= 70.1MHz, PGA = 0,
–70
–60
INPUT LEVEL (dBFS)
FREQUENCY (MHz)
–50
2
110
105
100
95
90
85
80
75
–40
0
LTC2202: SNR and SFDR vs
Sample Rate
–30
SFDR
SNR
–20
4
W
4
SAMPLE RATE (Msps)
–10
A
22023 G63
22023 G66
8
U
0
CE CHARACTERISTICS
RATED MAX
12
–100
–110
–120
–130
–140
–10
–20
–30
–40
–50
–60
–70
–80
–90
105
100
110
95
90
85
80
70
75
0
16
0
0
LTC2202: 32K Point 2-Tone FFT,
f
–15dBFS, PGA = 0
LTC2202: SFDR (HD2 or HD3) vs
Input Frequency
IN
22023 G69
= 60.2MHz and 70.1MHz,
20
20
INPUT FREQUENCY (MHz)
FREQUENCY (MHz)
PGA = 1
2
40
PGA = 0
60
110
105
100
75
95
90
85
80
2.8
LTC2202: SNR and SFDR vs
Supply Voltage (V
4
80
2.9
LOWER LIMIT
22023 G64
22023 G67
3.0
100
SUPPLY VOLTAGE (V)
3.1
3.2
140
120
100
DD
UPPER LIMIT
82
80
79
78
77
75
81
76
74
73
80
40
20
60
0
SFDR
SNR
–80
), f
3.3
0
LTC2202: SFDR vs Input Level,
f
Dither “Off”
LTC2202: SNR vs Input Frequency
IN
IN
= 70.1MHz, PGA = 0,
–70
3.4
20
= 5MHz
–60
3.5
INPUT FREQUENCY (MHz)
22023 G70
40
INPUT LEVEL (dBFS)
–50
PGA = 1
3.6
60
PGA = 0
–40
80
–30
100
–20
120
–10
22023 G68
22023 G65
22032fb
140
0