LTC1090 Linear Technology, LTC1090 Datasheet - Page 3

• Manufacturer Part Number: LTC1090
• Description: Single Chip 10-Bit Data Acquisition System
• Manufacturer: Linear Technology

AC ELECTRICAL CHARACTERISTICS
CO VERTER A D ULTIPLEXER CHARACTERISTICS
apply over the full operating temperature range, otherwise specifications are T
PARAMETER
Offset Error
Linearity Error
Gain Error
Total Unadjusted Error
Reference Input Resistance
Analog and REF Input Range
On Channel Leakage Current
(Note 8)
Off Channel Leakage Current
(Note 8)
temperature range, otherwise specification are T
SYMBOL
t
t
t
t
t
t
t
t
t
C
ACC
SMPL
CONV
dDO
dis
en
hDO
f
r
IN
U
PARAMETER
Delay Time From CS ↓ to D
Analog Input Sample Time
Conversion Time
Delay Time, SCLK ↓ to D
Delay Time, CS ↑ to D
Delay Time, 2nd CLK ↓ to D
Time Output Data Remains Valid After SCLK ↓
D
D
Input Capacitance
OUT
OUT
Rise Time
Fall Time
U
OUT
CONDITIONS
(Note 4)
(Notes 4 and 5)
(Note 4)
V
(Notes 4 and 6)
(Note 7)
On Channel = 5V
Off Channel = 0V
On Channel = 0V
Off Channel = 5V
On Channel = 5V
Off Channel = 0V
On Channel = 0V
Off Channel = 5V
W
OUT
REF
Hi-Z
OUT
OUT
= 5.000V
Data Valid
Data Valid
Enabled
A
= 25°C. (Note 3)
CONDITIONS
(Note 9)
See Operating Sequence
See Operating Sequence
See Test Circuits
See Test Circuits
See Test Circuits
See Test Circuits
See Test Circuits
Analog Inputs
Digital Inputs
The
denotes specifications which apply over the full operating
MIN
On Channel
Off Channel
A
LTC1090A
= 25°C. (Note 3)
TYP
10
(V
–
) – 0.05V to V
MAX
±0.5
±0.5
±1.0
±1.0
–1
–1
1
1
MIN
140
150
The
90
60
CC
LTC1090/LTC1090A
0.05V
MIN
denotes specifications which
TYP
250
300
400
300
300
44
50
65
2
5
5
5
LTC1090
TYP
10
LTC1090
MAX
450
ns
ns
ns
ns
MAX
±0.5
±0.5
±2.0
–1
–1
1
1
ACLK Cycles
SCLK Cycles
ACLK Cycles
UNITS
UNITS
1090fc
3
LSB
LSB
LSB
LSB
kΩ
µA
µA
µA
µA
ns
ns
ns
ns
ns
ns
pF
pF
pF
V