ltc2258cuj-14 Linear Technology Corporation, ltc2258cuj-14 Datasheet - Page 9

• Manufacturer Part Number: ltc2258cuj-14
• Description: 14-bit, 65/40/25msps Ultralow Power 1.8v Adcs
• Manufacturer: Linear Technology Corporation

TIMING DIAGRAMS
TYPICAL PERFORMANCE CHARACTERISTICS
SDO
SDO
SCK
SCK
SDI
SDI
CS
CS
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
LTC2258-14: Integral
Non-Linearity (INL)
0
HIGH IMPEDANCE
HIGH IMPEDANCE
t
S
R/W
R/W
4096
OUTPUT CODE
A6
A6
8192
A5
A5
12288
225814 G01
A4
A4
16384
A3
A3
t
DS
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
A2
A2
0
0
LTC2258-14: Differential
Non-Linearity (DNL)
SPI Port Timing (Readback Mode)
SPI Port Timing (Write Mode)
A1
A1
4096
A0
A0
t
OUTPUT CODE
DH
8192
XX
D7
D7
t
DO
12288
XX
D6
D6
LTC2257-14/LTC2256-14
t
SCK
225814 G02
XX
D5
16384
D5
XX
D4
D4
–100
–110
–120
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
XX
D3
0
LTC2258-14: 8k Point FFT, f
–1dBFS, 65Msps
D3
XX
D2
D2
LTC2258-14
10
FREQUENCY (MHz)
XX
D1
D1
XX
D0
20
D0
t
H
IN
= 5MHz
225814 G03
225814 TD04
225814p
30
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