ltc2258cuj-12 Linear Technology Corporation, ltc2258cuj-12 Datasheet - Page 9

• Manufacturer Part Number: ltc2258cuj-12
• Description: 12-bit, 65/40/2 5msps Ultralow Power 1.8v Adcs
• Manufacturer: Linear Technology Corporation

TIMING DIAGRAMS
TYPICAL PERFORMANCE CHARACTERISTICS
SDO
SDO
SCK
SCK
SDI
SDI
CS
CS
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
0
LTC2258-12: Integral
Nonlinearity (INL)
0
HIGH IMPEDANCE
HIGH IMPEDANCE
t
S
R/W
R/W
1024
OUTPUT CODE
2048
A6
A6
A5
A5
3072
225812 G01
A4
A4
4096
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
LTC2258-12: Differential
Nonlinearity (DNL)
SPI Port Timing (Readback Mode)
SPI Port Timing (Write Mode)
A1
A1
1024
A0
A0
t
OUTPUT CODE
DH
2048
XX
D7
D7
t
DO
3072
XX
D6
D6
LTC2257-12/LTC2256-12
t
SCK
225812 G02
XX
D5
4096
D5
XX
D4
D4
–100
–110
–120
–50
–60
–70
–80
–90
–10
–20
–30
–40
0
XX
D3
0
LTC2258-12: 8k Point FFT, f
–1dBFS, 65Msps
D3
XX
D2
D2
10
LTC2258-12
FREQUENCY (MHz)
XX
D1
D1
XX
D0
20
D0
t
H
IN
= 5MHz
225812 G03
225812 TD04
30
225812p
9