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參數(shù)資料
型號: LTC2379HMS-18#TRPBF
廠商: Linear Technology
文件頁數(shù): 20/26頁
文件大小: 0K
描述: IC ADC 18BIT SPI/SRL 16MSOP
產(chǎn)品培訓模塊: LTC2379- 18-/16-bit Fully-Differential SAR ADC Family Overview
標準包裝: 2,500
位數(shù): 18
采樣率(每秒): 1.6M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 21.5mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 16-TFSOP(0.118",3.00mm 寬)
供應(yīng)商設(shè)備封裝: 16-MSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,雙極
配用: DC1783A-E-ND - BOARD SAR ADC LTC2379-18
LTC2379-18
3
237918fa
DYNAMIC ACCURACY
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
SINAD
Signal-to-(Noise + Distortion) Ratio
fIN = 2kHz, VREF = 5V
l
97.5
101
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
l
96.8
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
–120
–119
–107
–106
–103
–99.6
dB
fIN = 2kHz, VREF = 5V, (H-Grade)
fIN = 2kHz, VREF = 5V, REF/DGC = GND, (H-Grade)
fIN = 2kHz, VREF = 2.5V, (H-Grade)
l
–120
–119
–107
–104
–100
–99.4
dB
SFDR
Spurious Free Dynamic Range
fIN = 2kHz, VREF = 5V
122
dB
–3dB Input Bandwidth
34
MHz
Aperture Delay
500
ps
Aperture Jitter
4ps
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–
0.1
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 = 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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