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參數(shù)資料
| 型號(hào)： | LTC2379CMS-18#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO16 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件頁數(shù)： | 18/24頁 |
| 文件大?。?/td> | 2848K |
| 代理商： | LTC2379CMS-18#PBF |
LTC2379-18
3
237918f
DYNAMIC ACCURACY
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SINAD
Signal-to-(Noise + Distortion) Ratio
fIN = 2kHz, VREF = 5V
l
97.8
101
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
l
97.3
101
dB
SNR
Signal-to-Noise Ratio
fIN = 2kHz, VREF = 5V
fIN = 2kHz, VREF = 5V, REF/DGC = GND
fIN = 2kHz, VREF = 2.5V
l
98.1
96.3
92.3
101.2
99
96
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
fIN = 2kHz, VREF = 5V, REF/DGC = GND, (H-Grade)
fIN = 2kHz, VREF = 2.5V, (H-Grade)
l
97.7
95.8
92
101.2
99
96
dB
THD
Total Harmonic Distortion
fIN = 2kHz, VREF = 5V
fIN = 2kHz, VREF = 5V, REF/DGC = GND
fIN = 2kHz, VREF = 2.5V
l
–108.6
–104.7
–99.6
–120
–119
–107
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
fIN = 2kHz, VREF = 5V, REF/DGC = GND, (H-Grade)
fIN = 2kHz, VREF = 2.5V, (H-Grade)
l
–108.1
–102.8
–99.4
–120
–119
–107
dB
SFDR
Spurious Free Dynamic Range
fIN = 2kHz, VREF = 5V
122
dB
–3dB Input Bandwidth
34
MHz
Aperture Delay
500
ps
Aperture Jitter
4
ps
Transient Response
Full-Scale Step
200
ns
The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C and AIN = –1dBFS. (Notes 4, 8)
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN+
Absolute Input Range (IN+)
(Note 5)
l
–0.05
VREF + 0.05
V
VIN–
Absolute Input Range (IN–)
(Note 5)
l
–0.05
VREF + 0.05
V
VIN+ – VIN– Input Differential Voltage Range
VIN = VIN+ – VIN–
l
–VREF
+VREF
V
VCM
Common-Mode Input Range
l
VREF/2–
0.05
VREF/2
VREF/2+
0.05
V
IIN
Analog Input Leakage Current
l
±1
A
CIN
Analog Input Capacitance
Sample Mode
Hold Mode
45
5
pF
CMRR
Input Common Mode Rejection Ratio
fIN = 800kHz
86
dB
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
CONVERTER CHARACTERISTICS
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution
l
18
Bits
No Missing Codes
l
18
Bits
Transition Noise
0.8
LSBRMS
INL
Integral Linearity Error
(Note 6)
l
–2
±0.8
2
LSB
DNL
Differential Linearity Error
l
–0.9
±0.2
0.9
LSB
BZE
Bipolar Zero-Scale Error
(Note 7)
l
–9
0
9
LSB
Bipolar Zero-Scale Error Drift
3
mLSB/°C
FSE
Bipolar Full-Scale Error
(Note 7)
l
–40
±7
40
LSB
Bipolar Full-Scale Error Drift
±0.05
ppm/°C
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
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