LT1460-2.5 LINER [Linear Technology], LT1460-2.5 Datasheet - Page 7

• Manufacturer Part Number: LT1460-2.5
• Description: Serial 12-Bit/14-Bit, 2.8Msps
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFORMANCE CHARACTERISTICS
with A
–100
–110
–120
–1.0
–0.2
–0.4
–0.6
–0.8
–10
–20
–30
–40
–50
–60
–70
–80
–90
1.0
0.8
0.6
0.4
0.2
0
0
0
0
1.4MHz Input Summed with
1.56MHz Input IMD 4096 Point FFT
Plot for Differential Input Signals
Differential Linearity
vs Output Code
IN
–
200k 400k 600k
= 1.5V DC, differential signals drive both inputs with V
4096
FREQUENCY (Hz)
OUTPUT CODE
–1
–2
–3
–4
8
7
6
5
4
3
2
1
0
8192
2
Differential and Integral Linearity
vs Conversion Rate
18 CLOCKS PER CONVERSION
800k
2.25
1M 1.2M 1.4M
12288
CONVERSION RATE (Msps)
2.5
2.75
14031 G08
14031 G07
16384
MIN INL
MAX INL
3
3.25
MIN DNL
MAX DNL
3.5
–100
–110
–120
–20
–30
–40
–50
–70
–10
–60
–80
–90
–4
–1
–2
–3
4
3
2
1
0
0
3.75
0
1.3MHz Sine Wave 4096 Point
FFT Plot for Differential Input
Signals
Integral Linearity
vs Output Code
0
14031 G10
4
4096
350
FREQUENCY (Hz)
CM
OUTPUT CODE
= 1.5V DC (LTC1403A-1)
8192
700k
1.05M
12288
78
77
76
75
74
73
72
71
70
69
68
LTC1403-1/LTC1403A-1
2
SINAD vs Conversion Rate
14031 G21
14071 G09
T
A
2.25
16384
1.4M
= 25°C, V
EXTERNAL V
EXTERNAL V
INTERNAL V
INTERNAL V
CONVERSION RATE (Msps)
2.5
2.75
–120
–100
–110
DD
–20
–30
–40
–50
–70
–80
–90
–10
–60
–4
–1
–2
–3
REF
REF
4
3
2
1
0
0
REF
REF
= 3V. Single ended A
3
0
0
Integral Linearity vs Output Code
for Differential Input Signals
10.7MHz Sine Wave 4096 Point
FFT Plot for Differential Input
Signals
= 2.5V f
= 2.5V f
= 3.3V f
= 3.3V f
3.25
IN
IN
4096
IN
IN
3.5
350
~ f
~ f
~ f
~ f
S
S
S
S
/3
/40
FREQUENCY (Hz)
3.75
/3
/40
OUTPUT CODE
14031 G11
8192
700k
4
IN
+
signal drive
1.05M
12288
14031 G22
14071 G23
14031fc
7
16384
1.4M