LTC1860 Linear Technology, LTC1860 Datasheet - Page 4

• Manufacturer Part Number: LTC1860
• Description: (LTC1860 / LTC1861) 12-/16-Bit 8-Channel 200ksps ADCs
• Manufacturer: Linear Technology

LTC1860/LTC1861
TI I G CHARACTERISTICS
range, otherwise specifications are T
Conditions, unless otherwise noted.
SYMBOL
t
f
t
t
t
t
t
t
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All voltage values are with respect to GND.
TYPICAL PERFOR A CE CHARACTERISTICS
4
CONV
SMPL(MAX)
dDO
dis
en
hDO
r
f
1000
0.01
100
W
0.1
10
1
0.01
Supply Current vs Sampling
Frequency
CONV LOW = 800ns
T
V
U
A
CC
= 25 C
= 5V
PARAMETER
Conversion Time (See Figure 1)
Maximum Sampling Frequency
Delay Time, SCK to SDO Data Valid
Delay Time, CONV to SDO Hi-Z
Delay Time, CONV to SDO Enabled
Time Output Data Remains
Valid After SCK
SDO Rise Time
SDO Fall Time
0.1
SAMPLING FREQUENCY (kHz)
1.0
10
W
100
1860/61 G01
A
U
= 25 C. V
1000
CC
1000
800
600
400
200
The
= 5V, V
CONDITIONS
C
C
C
C
C
0
–50
LOAD
LOAD
LOAD
LOAD
LOAD
Supply Current vs Temperature
= 20pF
= 20pF
= 20pF
= 20pF
= 20pF
–25
denotes specifications which apply over the full operating temperature
REF
= 5V, f
0
TEMPERATURE ( C)
25
SCK
Note 3: Integral nonlinearity is defined as deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 4: Channel leakage current is measured while the part is in sample
mode.
50
= f
CONV HIGH = 3.2 S
f
V
V
SMPL
CC
REF
SCK(MAX)
= 5V
= 5V
= 250kHz
75
100
1860/61 G02
as defined in Recommended Operating
125
1000
900
800
700
600
500
400
300
200
100
0
–50
Sleep Current vs Temperature
CONV = V
MIN
250
–25
5
CC
0
= 5V
TEMPERATURE ( C)
2.75
TYP
15
30
30
10
8
4
25
50
MAX
3.2
20
25
60
60
75
100
1860/61 G03
UNITS
18601f
kHz
125
ns
ns
ns
ns
ns
ns
ns
s