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LTC1860L Datasheet(PDF) 4 Page - Linear Technology

Part No. LTC1860L
Description  Power, 3V, 12-Bit, 150ksps 1- and 2-Channel ADCs in MSOP
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC1860L Datasheet(HTML) 4 Page - Linear Technology

 
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LTC1860L/LTC1861L
18601Lf
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
tCONV
Conversion Time (See Figure 1)
q
3.7
4.66
µs
fSMPL(MAX) Maximum Sampling Frequency
q
150
kHz
tdDO
Delay Time, SCK
↓ to SDO Data Valid
CLOAD = 20pF
45
55
ns
q
60
ns
tdis
Delay Time, CONV
↑ to SDO Hi-Z
q
55
120
ns
ten
Delay Time, CONV
↓to SDO Enabled
CLOAD = 20pF
q
35
120
ns
thDO
Time Output Data Remains
CLOAD = 20pF
q
515
ns
Valid After SCK
tr
SDO Rise Time
CLOAD = 20pF
25
ns
tf
SDO Fall Time
CLOAD = 20pF
12
ns
The q denotes specifications which apply over the full operating temperature
range, otherwise specifications are TA = 25°C. VCC = 2.7V, VREF = 2.5V, fSCK = fSCK(MAX) as defined in Recommended Operating
Conditions, unless otherwise noted.
TI I G CHARACTERISTICS
TYPICAL PERFOR A CE CHARACTERISTICS
Supply Current vs Sampling
Frequency
Supply Current vs Temperature
Sleep Current vs Temperature
SAMPLING FREQUENCY (kHz)
0.1
1
10
100
1000
0.01
1
10
1000
1860L/61L G01
0.1
100
TEMPERATURE (
°C)
–50
600
500
400
300
200
100
0
25
75
1860L/61L G02
–25
0
50
100
125
TEMPERATURE (
°C)
–50
20
15
10
5
0
25
75
1860L/61L G03
–25
0
50
100
125
fS = 150kHz
VCC = 2.7V
VREF = 2.5V
CONV LOW = 1.5
µs
TA = 25°C
VCC = 2.7V
fS = 150kHz
VCC = 2.7V
VREF = 2.5V
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.
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.
Note 5: Assumes fSCK = fSCK(MAX). In the case of the LTC1860L SCK does
not have to be clocked during this time if the SDO data word is not
desired. In the case of the LTC1861L a minimum of 2 clocks are required
on the SCK input after CONV falls to configure the MUX during this time.


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