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LTC1867LIGN Datasheet(PDF) 3 Page - Linear Technology

No. de pieza LTC1867LIGN
Descripción Electrónicos  Micropower, 3V, 12-/16-Bit, 8-Channel 175ksps ADCs
PDF  16 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
Logo LINER - Linear Technology

LTC1867LIGN Datasheet(HTML) 3 Page - Linear Technology

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LTC1863L/LTC1867L
3
1863L7Lf
A ALOG I PUT
I TER AL REFERE CE CHARACTERISTICS
DIGITAL I PUTS A D DIGITAL OUTPUTS
LTC1863L
LTC1867L/LTC1867LA
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
THD
Total Harmonic Distortion
1kHz Input Signal, Up to 5th Harmonic
–92.3
– 91
dB
Peak Harmonic or Spurious Noise
1kHz Input Signal
–94.5
– 92.8
dB
Channel-to-Channel Isolation
100kHz Input Signal
–100
–112
dB
Full Power Bandwidth
–3dB Point
1.25
1.25
MHz
The
● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
(Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Analog Input Range
Unipolar Mode (Note 9)
●
0 to 2.5
V
Bipolar Mode
●
±1.25
V
CIN
Analog Input Capacitance for CH0 to
Between Conversions (Sample Mode)
32
pF
CH7/COM
During Conversions (Hold Mode)
4
pF
tACQ
Sample-and-Hold Acquisition Time
●
2.01
1.68
µs
Input Leakage Current
On Channels, CHX = 0V or VDD
●
±1
µA
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
1.235
1.25
1.265
V
VREF Output Tempco
IOUT = 0
±20
ppm/°C
VREF Line Regulation
2.7V ≤ VDD ≤ 3.6V
0.3
mV/V
VREF Output Resistance
⏐IOUT⏐ ≤0.1mA
3
kΩ
REFCOMP Output Voltage
IOUT = 0
2.5
V
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 3.6V
●
1.9
V
VIL
Low Level Input Voltage
VDD = 2.7V
●
0.45
V
IIN
Digital Input Current
VIN = 0V to VDD
●
±10
µA
CIN
Digital Input Capacitance
2pF
VOH
High Level Output Voltage (SDO)
VDD = 2.7V, IO = –10µA
2.68
V
VDD = 2.7V, IO = –200µA
●
2.3
2.65
V
VOL
Low Level Output Voltage (SDO)
VDD = 2.7V, IO = 160µA
0.05
V
VDD = 2.7V, IO = 1.6mA
●
0.15
0.4
V
ISOURCE
Output Source Current
SDO = 0V
–9.7
mA
ISINK
Output Sink Current
SDO = VDD
6mA
Hi-Z Output Leakage
CS/CONV = High, SDO = 0V or VDD
●
±10
µA
Hi-Z Output Capacitance
CS/CONV = High (Note 10)
●
15
pF
Data Format
Unipolar
Straight Binary
Bipolar
Two’s Complement
The
● denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 5)
LTC1863L/LTC1867L/LTC1867LA
LTC1863L/LTC1867L/LTC1867LA
LTC1863L/LTC1867L/LTC1867LA
VDD = 3V, external VREF = 1.25V (Note 5)
DY A IC ACCURACY



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