ANALOG INPUT The l
參數(shù)資料
型號: DC1620A-L
廠商: Linear Technology
文件頁數(shù): 33/38頁
文件大?。?/td> 0K
描述: BOARD DEMO 25MSPS LTC2140-14
軟件下載: QuikEval II System
設(shè)計資源: DC1620A Design Files
DC1620A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: *
相關(guān)產(chǎn)品: DC890B-ND - BOARD USB DATA COLLECTION
LTC2142-14/
LTC2141-14/LTC2140-14
4
21421014fa
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
1 to 2
VP-P
VIN(CM)
Analog Input Common Mode (AIN+ + AIN–)/2 Differential Analog Input (Note 8)
l
0.7
VCM
1.25
V
VSENSE
External Voltage Reference Applied to SENSE External Reference Mode
l
0.625
1.250
1.300
V
IINCM
Analog Input Common Mode Current
Per Pin, 65Msps
Per Pin, 40Msps
Per Pin, 25Msps
81
50
31
μA
IIN1
Analog Input Leakage Current (No Encode)
0 < AIN+, AIN– < VDD
l
–1.5
1.5
μA
IIN2
PAR/SER Input Leakage Current
0 < PAR/SER < VDD
l
–3
3
μA
IIN3
SENSE Input Leakage Current
0.625 < SENSE < 1.3V
l
–3
3
μA
tAP
Sample-and-Hold Acquisition Delay Time
0
ns
tJITTER
Sample-and-Hold Acquisition Delay Jitter
Single-Ended Encode
Differential Encode
0.08
0.10
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
BW-3B
Full-Power Bandwidth
Figure 6 Test Circuit
750
MHz
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
LTC2142-14
LTC2141-14
LTC2140-14
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
Resolution (No Missing Codes)
l
14
Bits
Integral Linearity Error
Differential Analog Input (Note 6)
l –2.4
±1
2.4
–2.4
±1
2.4
–2.4
±1
2.4
LSB
Differential Linearity Error
Differential Analog Input
l –0.8
±0.3
0.8
–0.8
±0.3
0.8
–0.8
±0.3
0.8
LSB
Offset Error
(Note 7)
l
–9
±1.5
9
–9
±1.5
9
–9
±1.5
9
mV
Gain Error
Internal Reference
External Reference
l –1.5
±1.5
–0.3
1.1
–1.5
±1.5
–0.3
1.1
–1.5
±1.5
–0.3
1.1
%FS
Offset Drift
±10
μV/°C
Full-Scale Drift
Internal Reference
External Reference
±30
±10
±30
±10
±30
±10
ppm/°C
Gain Matching
±0.2
%FS
Offset Matching
±1.5
mV
Transition Noise
1.23
1.31
1.19
LSBRMS
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