Datasheet

3
LTC1091/LTC1092
LTC1093/LTC1094
CONVERTER AND MULTIPLEXER CHARACTERISTICS
UW
U
LTC1091A/LTC1092A LTC1091/LTC1092
LTC1093A/LTC1094A LTC1093/LTC1094
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Offset Error (Note 4) ● ±0.5 ±0.5 LSB
Linearity Error (Notes 4, 5) ● ±0.5 ±0.5 LSB
Full-Scale Error (Note 4) ● ±1.0 ±2.0 LSB
Total Unadjusted Error V
REF
= 5.000V (Notes 4, 6) ● ±1.0 LSB
Reference Input Resistance LTC1092/LTC1093/LTC1094 ● 510 510 kΩ
V
REF
= 5V
Analog and REF Input Range (Note 7) (V
–
) –0.05V to V
CC
+ 0.05V V
On-Channel Leakage Current On-Channel = 5V ● 11µA
(Note 8) Off-Channel = 0V
On-Channel = 0V ● –1 –1 µA
Off-Channel = 5V
Off-Channel Leakage Current On-Channel = 5V ● –1 –1 µA
(Note 8) Off-Channel = 0V
On-Channel = 0V ● 11µA
Off-Channel = 5V
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25°C. (Note 3)
RECO E DED OPERATI G CO DITIO S
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LTC1091A/LTC1092A/LTC1093A/LTC1094A
LTC1091/LTC1092/LTC1093/LTC1094
SYMBOL PARAMETER CONDITIONS MIN MAX UNITS
V
CC
Supply Voltage 4.5 10 V
V
–
Negative Supply Voltage LTC1093/LTC1094, V
CC
= 5V –5.5 0 V
f
CLK
Clock Frequency V
CC
= 5V 0.01 0.5 MHz
t
CYC
Total Cycle Time LTC1091 15 CLK Cycles
+ 2µs
LTC1092 12 CLK Cycles
+ 2µs
LTC1093/LTC1094 18 CLK Cycles
+ 2µs
t
hDI
Hold Time, D
IN
Alter SCLK↑ V
CC
= 5V 150 ns
t
suCS
Setup Time CS↓ Before CLK↑ V
CC
= 5V 1 µs
t
suDI
Setup Time D
IN
Stable Before CLK↑ V
CC
= 5V 400 ns
t
WHCLK
CLK High Time V
CC
= 5V 0.8 µs
t
WLCLK
CLK Low Time V
CC
= 5V 1 µs
t
WHCS
CS High Time Between Data Transfer Cycles V
CC
= 5V 2 µs
t
WLCS
CS Low Time During Data Transfer LTC1091 15 CLK Cycles
LTC1092 12 CLK Cycles
LTC1093/LTC1094 18 CLK Cycles