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LTC1860 Datasheet(PDF) 4 Page - Linear Technology

No. de pieza LTC1860
Descripción Electrónicos  Power, 12-Bit, 250ksps 1- and 2-Channel ADCs in MSOP
PDF  16 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LTC1860 Datasheet(HTML) 4 Page - Linear Technology

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LTC1860/LTC1861
4
18601fa
CONVERTER AND MULTIPLEXER CHARACTERISTICS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution
l
12
Bits
No Missing Codes Resolution
l
12
Bits
INL
(Note 3)
l
±1
LSB
Transition Noise
0.07
LSBRMS
Gain Error
l
±20
mV
Offset Error
LTC1860 SO-8 and MSOP, LTC1861 MSOP
LTC1861 SO-8
l
l
±2
±3
±5
±7
mV
mV
Input Differential Voltage Range
VIN = IN+ – IN–
l
0VREF
V
Absolute Input Range
IN+ Input
IN– Input
–0.05
–0.05
VCC + 0.05
VCC/2
V
V
VREF Input Range
LTC1860 SO-8 and MSOP, LTC1861 MSOP
1
VCC
V
Analog Input Leakage Current
(Note 4)
l
±1
μA
CIN Input Capacitance
In Sample Mode
During Conversion
12
5
pF
pF
The
● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VCC = 5V, VREF = 5V, fSCK = fSCK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.
DYNAMIC ACCURACY
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
72
dB
S/(N + D)
Signal-to-Noise Plus Distortion Ratio
100kHz Input Signal
71
dB
THD
Total Hamonic Distortion Up to 5th Harmonic
100kHz Input Signal
77
dB
Full Power Bandwidth
20
MHz
Full Linear Bandwidth
S/(N + D) ≥ 68dB
125
kHz
TA = 25°C. VCC = 5V, fSAMPLE = 250kHz, unless otherwise specified.
DIGITAL AND DC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VCC = 5.25V
l
2.4
V
VIL
Low Level Input Voltage
VCC = 4.75V
l
0.8
V
IIH
High Level Input Current
VIN = VCC
l
2.5
μA
IIL
Low Level Input Current
VIN = 0V
l
–2.5
μA
VOH
High Level Output Voltage
VCC = 4.75V, IO = 10μA
VCC = 4.75V, IO = 360μA
l
l
4.5
2.4
4.74
4.72
V
V
VOL
Low Level Output Voltage
VCC = 4.75V, IO = 1.6mA
l
0.4
V
The
● denotes specifications which apply
over the full operating temperature range, otherwise specifications are TA = 25°C. VCC = 5V, VREF = 5V, unless otherwise noted.



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