LTC1856 Linear Technology, LTC1856 Datasheet - Page 6

• Manufacturer Part Number: LTC1856
• Description: 100ksps ADC Converters
• Manufacturer: Linear Technology

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LTC1854/LTC1855/LTC1856
TYPICAL PERFOR A CE CHARACTERISTICS
6
–0.2
–0.4
–0.6
–0.8
–0.2
–0.4
–0.6
–1.0
–0.5
–1.0
–1.5
–2.0
–0.8
2.0
1.5
1.0
0.5
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
–32768
–1
1
0
–2048
0
0
–8192
LTC1854 Typical INL Curve
LTC1856 Typical INL Curve
LTC1855 Typical INL Curve
–16384
–4096
–1024
CODE
CODE
CODE
0
0
0
16384
4096
1024
W
185455 G04
185456 G01
185456 G07
U
32767
8191
2047
–0.2
–0.4
–0.6
–0.8
–1.0
–0.5
–1.0
–1.5
–2.0
–0.2
–0.4
–0.6
–0.8
0.2
1.0
0.8
0.6
0.4
2.0
1.5
1.0
0.5
0.8
0.6
0.4
0.2
–32768
–1
–2048
0
0
1
0
–8192
LTC1854 Typical DNL Curve
LTC1856 Typical DNL Curve
LTC1855 Typical DNL Curve
–16384
–1024
–4096
CODE
CODE
CODE
0
0
0
16384
1024
4096
185456 G02
185456 G05
185456 G08
32767
2047
8191
–100
–110
–120
–130
–100
–110
–120
–130
–100
–110
–120
–130
–40
–50
–60
–80
–90
–40
–50
–60
–80
–90
–10
–20
–30
–70
–10
–20
–30
–70
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
0
0
LTC1854 Nonaveraged
4096-Point FFT Plot
0
LTC1856 Nonaveraged
4096-Point FFT Plot
LTC1855 Nonaveraged
4096-Point FFT Plot
5
5
10
10
10
15
15
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
20
20
20
25
25
30
30
30
f
f
SINAD = 87dB
THD = –101dB
f
f
SINAD = 83dB
THD = –95dB
f
f
SINAD = 73.6dB
THD = –102dB
SAMPLE
IN
SAMPLE
IN
SAMPLE
IN
= 1kHz
= 1kHz
35
35
= 1kHz
40 45
40 45
40
= 100kHz
= 100kHz
= 100kHz
185456fa
185456 G03
185456 G06
185456 G09
50
50
50