LTC1867CGN Ver la hoja de datos (PDF) - Linear Technology
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LTC1867CGN Datasheet PDF : 18 Pages
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LTC1863/LTC1867
CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. With external reference (Notes 5, 6)
LTC1863
LTC1867
LTC1867A
PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX MIN TYP MAX
UNITS
Offset Error Drift
±0.5
±0.5
±0.5
ppm/°C
Gain Error
Unipolar
Bipolar
±6
±96
±64
LSB
±6
±96
±64
LSB
Gain Error Match
±1
±4
±2
LSB
Gain Error Tempco
Internal Reference
External Reference
±15
±15
±2.7
±2.7
±15
ppm/°C
±2.7
ppm/°C
Power Supply Sensitivity VDD = 4.75V – 5.25V
±1
±5
±5
LSB
DYNAMIC ACCURACY (Note 5)
SYMBOL
SNR
S/(N+D)
THD
PARAMETER
Signal-to-Noise Ratio
Signal-to-(Noise + Distortion) Ratio
Total Harmonic Distortion
Peak Harmonic or Spurious Noise
Channel-to-Channel Isolation
Full Power Bandwidth
CONDITIONS
1kHz Input Signal
1kHz Input Signal
1kHz Input Signal, Up to 5th Harmonic
1kHz Input Signal
100kHz Input Signal
–3dB Point
LTC1863
MIN TYP MAX
73.6
73.5
–94.5
–94.5
–100
1.25
LTC1867/LTC1867A
MIN TYP MAX
89
88
–95
–95
–117
1.25
UNITS
dB
dB
dB
dB
dB
MHz
ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 5)
LTC1863/LTC1867/LTC1867A
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Analog Input Range
Unipolar Mode (Note 9)
l
0-4.096
V
Bipolar Mode
l
±2.048
V
CIN
Analog Input Capacitance for CH0 to Between Conversions (Sample Mode)
CH7/COM
During Conversions (Hold Mode)
32
pF
4
pF
tACQ
Sample-and-Hold Acquisition Time
Input Leakage Current
On Channels, CHX = 0V or VDD
l
1.5
1.1
µs
l
±1
µA
INTERNAL REFERENCE CHARACTERISTICS (Note 5)
PARAMETER
VREF Output Voltage
VREF Output Tempco
VREF Line Regulation
VREF Output Resistance
REFCOMP Output Voltage
CONDITIONS
IOUT = 0
IOUT = 0
4.75V ≤ VDD ≤ 5.25V
IOUT ≤0.1mA
IOUT = 0
LTC1863/LTC1867/LTC1867A
MIN
TYP
MAX
2.48
2.5
2.52
±15
0.43
6
4.096
UNITS
V
ppm/°C
mV/V
kΩ
V
For more information www.linear.com/LTC1863
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