LTC1285 LINER [Linear Technology], LTC1285 Datasheet - Page 3

• Manufacturer Part Number: LTC1285
• Description: 3V Micropower Sampling 12-Bit A/D Converters in SO-8 Packages
• Manufacturer: LINER [Linear Technology]

DYNAMIC ACCURACY
CONVERTER AND MULTIPLEXER CHARACTERISTICS
DIGITAL AND DC ELECTRICAL CHARACTERISTICS
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Analog Input Range
REF Input Range (LTC1285)
Analog Input Leakage Current (Note 10)
SYMBOL
V
V
I
I
V
V
I
I
I
R
I
I
SYMBOL
S/(N +D)
THD
SFDR
IH
IL
OZ
SOURCE
SINK
REF
CC
IH
IL
OH
OL
REF
(Notes 7, 8, and 9)
U W
U
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
Low Level Output Voltage
Hi-Z Output Leakage
Output Source Current
Output Sink Current
Reference Input Resistance
(LTC1285)
Reference Current (LTC1285)
Supply Current
PARAMETER
Signal-to-Noise Plus Distortion Ratio
Total Harmonic Distortion (Up to 5th Harmonic)
Spurious-Free Dynamic Range
Peak Harmonic or Spurious Noise
U
U
W
CONDITIONS
(Note 6)
(Note 7 and 8)
2.7 V
f
SMPL
CC
= 7.5kHz (LTC1285), f
CONDITIONS
V
V
V
V
V
V
V
CS = High
V
V
CS = V
CS = V
CS = V
t
t
CS = V
LTC1285, t
LTC1285, t
LTC1288, t
LTC1288, t
CYC
CYC
CC
CC
IN
IN
CC
CC
CC
OUT
OUT
6V
= V
= 0V
= 3.6V
= 2.7V
= 2.7V, I
= 2.7V, I
= 2.7V, I
= 134 s, f
= 0V
= V
640 s, f
IH
IL
CC
CC
CC
CC
CYC
CYC
CYC
CYC
O
O
O
= 10 A
= 360 A
= 400 A
CLK
CLK
= 134 s, f
= 150 s, f
640 s, f
720 s, f
= 120kHz
CONDITIONS
1kHz Input Signal
1kHz Input Signal
1kHz Input Signal
1kHz Input Signal
25kHz
CLK
CLK
SMPL
CLK
CLK
MIN
= 120kHz
= 120kHz
12
25kHz
25kHz
= 6.6kHz (LTC1288) (Note 5)
LTC1285
TYP
1/4
3/4
3/4
2
– 0.05V to V
1.5V to V
MAX
3/4
2
3
8
1
(Note 5)
LTC1285/LTC1288
CC
CC
+ 0.05V
(Note 5)
MIN
MIN
+ 0.05V
2.4
2.1
2
MIN
12
0.001
0.001
LTC1288
2700
2.64
2.30
TYP
– 10
150
160
200
210
TYP
– 80
– 88
15
54
50
50
67
88
TYP
3/4
1/4
3/4
2
MAX
MAX
– 2.5
320
390
0.8
2.5
0.4
2.5
70
3.0
MAX
3
3/4
2
3
8
1
UNITS
UNITS
UNITS
3
LSB
LSB
LSB
LSB
M
Bits
mA
mA
k
dB
dB
dB
dB
V
V
V
A
V
V
A
A
V
V
V
A
A
A
A
A
A
A
A
A