ltc2182 Linear Technology Corporation, ltc2182 Datasheet - Page 11

• Manufacturer Part Number: ltc2182
• Description: 16-bit, 65msps/ 40msps/25msps Low Power Dual Adcs
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–100
–110
–120
–1.0
–2.0
–3.0
–4.0
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
4.0
3.0
2.0
1.0
0
0
0
LTC2182: Integral
Non-Linearity (INL)
0
0
LTC2182: 64k Point FFT,
f
LTC2182: 64k Point 2-Tone FFT,
f
65Msps
0
IN
IN
= 30MHz, –1dBFS, 65Msps
= 69MHz, 70MHz, –7dBFS,
16384
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
OUTPUT CODE
32768
20
20
49152
218210 G01
218210 G04
218210 G07
30
30
65536
10000
–100
–110
–120
9000
8000
7000
6000
5000
4000
3000
2000
1000
–0.2
–0.4
–0.6
–0.8
–1.0
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.0
0.8
0.6
0.4
0.2
0
0
32831
0
0
0
LTC2182: Differential
Non-Linearity (DNL)
LTC2182: 64k Point FFT,
f
LTC2182: Shorted Input Histogram
IN
= 70MHz, –1dBFS, 65Msps
32837
16384
10
FREQUENCY (MHz)
OUTPUT CODE
OUTPUT CODE
32843
32768
LTC2182/LTC2181/LTC2180
20
32849
49152
32855
218210 G02
218210 G05
218210 G08
30
65536
–100
–110
–120
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
78
77
76
75
74
73
72
71
70
0
0
0
0
0
LTC2182: 64k Point FFT, f
–1dBFS, 65Msps
LTC2182: 64k Point FFT,
f
LTC2182: SNR vs Input Frequency,
–1dB, 65Msps, 2V Range
IN
= 140MHz, –1dBFS, 65Msps
50
INPUT FREQUENCY (MHz)
10
10
100
FREQUENCY (MHz)
FREQUENCY (MHz)
DIFFERENTIAL
150
ENCODE
SINGLE-ENDED
20
20
ENCODE
200
IN
250
= 5MHz
11
218210 G03
218210 G06
218210 G09
30
30
218210f
300