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LTC1867IGN Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1867IGN
Description  12-/16-Bit, 8-Channel 200ksps ADCs
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1867IGN Datasheet(HTML) 3 Page - Linear Technology

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LTC1863/LTC1867
3
18637f
DY A IC ACCURACY
A ALOG I PUT
I TER AL REFERE CE CHARACTERISTICS
DIGITAL I PUTS A D DIGITAL OUTPUTS
LTC1863
LTC1867/LTC1867A
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
THD
Total Harmonic Distortion
1kHz Input Signal, Up to 5th Harmonic
–94.5
– 95
dB
Peak Harmonic or Spurious Noise
1kHz Input Signal
–94.5
– 95
dB
Channel-to-Channel Isolation
100kHz Input Signal
–100
–117
dB
Full Power Bandwidth
–3dB Point
1.25
1.25
MHz
(Note 5)
The q 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)
q
0-4.096
V
Bipolar Mode
q
±2.048
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
q
1.5
1.1
µs
Input Leakage Current
On Channels, CHX = 0V or VDD
q
±1
µA
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.480
2.500
2.520
V
VREF Output Tempco
IOUT = 0
±15
ppm/
°C
VREF Line Regulation
4.75V
≤ VDD ≤ 5.25V
0.43
mV/V
VREF Output Resistance
IOUT ≤0.1mA
6
k
Ω
REFCOMP Output Voltage
IOUT = 0
4.096
V
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
q
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
q
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
q
±10
µA
CIN
Digital Input Capacitance
2pF
VOH
High Level Output Voltage (SDO)
VDD = 4.75V, IO = –10µA
4.75
V
VDD = 4.75V, IO = –200µA
q
4
4.74
V
VOL
Low Level Output Voltage (SDO)
VDD = 4.75V, IO = 160µA
0.05
V
VDD = 4.75V, IO = 1.6mA
q
0.10
0.4
V
ISOURCE
Output Source Current
SDO = 0V
–32
mA
ISINK
Output Sink Current
SDO = VDD
19
mA
Hi-Z Output Leakage
CS/CONV = High, SDO = 0V or VDD
q
±10
µA
Hi-Z Output Capacitance
CS/CONV = High (Note 10)
q
15
pF
Data Format
Unipolar
Straight Binary
Bipolar
Two’s Complement
The q denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 5)
LTC1863/LTC1867/LTC1867A
LTC1863/LTC1867/LTC1867A
LTC1863/LTC1867/LTC1867A



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