Datasheet

3
LTC1293/LTC1294/LTC1296
129346fs
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
Offset Error (Note 4) ● ±3.0 ±3.0 ±3.0 LSB
Linearity Error (INL) (Notes 4, 5) ● ±0.5 ±0.5 ±0.75 LSB
Gain Error (Note 4) ● ±0.5 ±1.0 ±4.0 LSB
Minimum Resolution for which No
● 12 12 12 Bits
Missing Codes are Guaranteed
Analog and REF Input Range (Note 7) (V
–
)–0.05V to V
CC
+ 0.05V V
On Channel Leakage Current (Note 8) On Channel = 5V
● ±1 ±1 ±1 µA
Off Channel = 0V
On Channel = 0V ● ±1 ±1 ±1 µA
Off Channel = 5V
Off Channel Lekage Current (Note 8) On Channel = 5V ● ±1 ±1 ±1 µA
Off Channel = 0V
On Channel = 0V ● ±1 ±1 ±1 µA
Off Channel = 5V
(Note 3)
LTC1293/4/6C
LTC1293/4/6D
LTC1293/4/6B
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
f
CLK
Clock Frequency V
CC
= 5V (Note 6) 0.1 1.0 MHz
t
SMPL
Analog Input Sample Time See Operating Sequence 2.5 CLK Cycles
t
CONV
Conversion Time See Operating Sequence 12 CLK Cycles
t
CYC
Total Cycle Time See Operating Sequence (Note 6) 21 CLK Cycles
+500ns
t
dDO
Delay Time, CLK↓ to D
OUT
Data Valid See Test Circuits ● 160 300 ns
t
dis
Delay Time, CS↑ to D
OUT
Hi-Z See Test Circuits ● 80 150 ns
t
en
Delay Time, CLK↓ to D
OUT
Enabled See Test Circuits ● 80 200 ns
t
hDI
Hold Time, D
IN
after CLK↑ V
CC
= 5V (Note 6) 50 ns
t
hDO
Time Output Data Remains Valid After CLK↓ 130 ns
t
f
D
OUT
Fall Time See Test Circuits ● 65 130 ns
t
r
D
OUT
Rise Time See Test Circuits ● 25 50 ns
t
WHCLK
CLK High Time V
CC
= 5V (Note 6) 300 ns
t
WLCLK
CLK Low Time V
CC
= 5V (Note 6) 400 ns
t
suDI
Set-up Time, D
IN
Stable Before CLK↑ V
CC
= 5V (Note 6) 50 ns
t
suCS
Set-up Time, CS↓ before CLK↑ V
CC
= 5V (Note 6) 50 ns
t
wHCS
CS High Time During Conversion V
CC
= 5V (Note 6) 500 ns
t
wLCS
CS Low Time During Data Transfer V
CC
= 5V (Note 6) 21 CLK Cycles
t
enSSO
Delay Time, CLK↓ to SSO↓ See Test Circuits ● 750 1500 ns
t
disSSO
Delay Time, CS↓ to SSO↑ See Test Circuits ● 250 500 ns
C
IN
Input Capacitance Analog Inputs On Channel 100 pF
Analog Inputs Off Channel 5
Digital Inputs 5
LTC1293/4/6B
LTC1293/4/6C
LTC1293/4/6D
AC CHARACTERISTICS (Note 3)
CO VERTER A D ULTIPLEXER CHARACTERISTICS
U
W
U