f
參數(shù)資料
型號: DC1783A-F
廠商: Linear Technology
文件頁數(shù): 18/24頁
文件大小: 0K
描述: BOARD SAR ADC LTC2378-18
軟件下載: QuikEval II System
設(shè)計資源: DC1783A Design Files
DC1783A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: QuikEval™
ADC 的數(shù)量: 1
位數(shù): 18
采樣率(每秒): 1M
數(shù)據(jù)接口: 串行,SPI?
輸入范圍: ±VREF
在以下條件下的電源(標(biāo)準(zhǔn)): 13.5mW @ 1MSPS
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC2378-18
已供物品:
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LTC2378-18
3
237818f
DYNAMIC ACCURACY
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SINAD
Signal-to-(Noise + Distortion) Ratio
fIN = 2kHz, VREF = 5V
l
98.5
102
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
l
98
102
dB
SNR
Signal-to-Noise Ratio
fIN = 2kHz, VREF = 5V
fIN = 2kHz, VREF = 5V, REF/DGC = GND
fIN = 2kHz, VREF = 2.5V
l
99.3
97.5
94.1
102
100
97
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
fIN = 2kHz, VREF = 5V, REF/DGC = GND, (H-Grade)
fIN = 2kHz, VREF = 2.5V, (H-Grade)
l
98.8
97.1
93.5
102
100
97
dB
THD
Total Harmonic Distortion
fIN = 2kHz, VREF = 5V
fIN = 2kHz, VREF = 5V, REF/DGC = GND
fIN = 2kHz, VREF = 2.5V
l
–124
–125
–123
–106
–103
–105
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
fIN = 2kHz, VREF = 5V, REF/DGC = GND, (H-Grade)
fIN = 2kHz, VREF = 2.5V, (H-Grade)
l
–124
–125
–123
–104
–100
–103
dB
SFDR
Spurious Free Dynamic Range
fIN = 2kHz, VREF = 5V
l
105
125
dB
–3dB Input Bandwidth
34
MHz
Aperture Delay
500
ps
Aperture Jitter
4ps
Transient Response
Full-Scale Step
460
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–
0.1
VREF/2
VREF/2+
0.1
V
IIN
Analog Input Leakage Current
l
±1
μA
CIN
Analog Input Capacitance
Sample Mode
Hold Mode
45
5
pF
CMRR
Input Common Mode Rejection Ratio
fIN = 500kHz
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
0.7
LSBRMS
INL
Integral Linearity Error
(Note 6)
l
–1.75
±0.5
1.75
LSB
DNL
Differential Linearity Error
l
–0.5
±0.1
0.5
LSB
BZE
Bipolar Zero-Scale Error
(Note 7)
l
–8
0
8
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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