LTC2188CUP-PBF 查看數據表（PDF） - Linear Technology
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LTC2188CUP-PBF Datasheet PDF : 36 Pages
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LTC2188
Converter Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
l
16
Bits
Integral Linearity Error
Differential Analog Input (Note 6)
l
–6.5
±2
6.5
LSB
Differential Linearity Error
Differential Analog Input
l
–0.9
±0.5
0.9
LSB
Offset Error
(Note 7)
l
–7
±1.5
7
mV
Gain Error
Internal Reference
External Reference
±1.5
l
–1.8
–0.5
%FS
0.8
%FS
Offset Drift
±10
µV/°C
Full-Scale Drift
Internal Reference
External Reference
±30
ppm/°C
±10
ppm/°C
Gain Matching
±0.3
%FS
Offset Matching
±1.5
mV
Transition Noise
3.2
LSBRMS
Analog Input The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
1.7V < VDD < 1.9V
l
VIN(CM) Analog Input Common Mode (AIN+ + AIN–)/2 Differential Analog Input (Note 8) l
0.7
1 to 2
VCM
VP-P
1.25
V
VSENSE External Voltage Reference Applied to SENSE External Reference Mode
l
0.625
1.250
1.300
V
IINCM
IIN1
Analog Input Common Mode Current
Per Pin, 20Msps
Analog Input Leakage Current (No Encode) 0 < AIN+, AIN– < VDD
32
l
–1
IIN2
PAR/SER Input Leakage Current
0 < PAR/SER < VDD
l
–3
IIN3
SENSE Input Leakage Current
0.625 < SENSE < 1.3V
l
–6
tAP
Sample-and-Hold Acquisition Delay Time
0
µA
1
µA
3
µA
6
µA
ns
tJITTER Sample-and-Hold Acquisition Delay Jitter
Single-Ended Encode
Differential Encode
0.07
psRMS
0.09
psRMS
CMRR Analog Input Common Mode Rejection Ratio
80
dB
BW-3B Full-Power Bandwidth
Figure 6 Test Circuit
550
MHz
2188f
4
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