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參數(shù)資料
型號: LTC2376CDE-18#TRPBF
廠商: Linear Technology
文件頁數(shù): 19/24頁
文件大?。?/td> 0K
描述: IC ADC 18BIT 250KSPS 16-DFN
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): 250k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 4.25mW
電壓電源: 模擬和數(shù)字
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-WFDFN 裸露焊盤
供應商設備封裝: 16-DFN(4x3)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,雙極
配用: DC1783A-H-ND - BOARD SAR ADC LTC2376-18
DC1783A-D-ND - BOARD SAR ADC LTC2376-16
LTC2376-18
4
237618f
ADC TIMING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSMPL
Maximum Sampling Frequency
l
250
ksps
tCONV
Conversion Time
l
1.9
3
μs
tACQ
Acquisition Time
tACQ = tCYC – tHOLD (Note 10)
l
3.460
μs
tHOLD
Maximum Time Between Acquisitions
l
540
ns
tCYC
Time Between Conversions
l
4μs
tCNVH
CNV High Time
l
20
ns
tBUSYLH
CNV
↑ to BUSY Delay
CL = 20pF
l
13
ns
tCNVL
Minimum Low Time for CNV
(Note 11)
l
20
ns
tQUIET
SCK Quiet Time from CNV
(Note 10)
l
20
ns
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
POWER REQUIREMENTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Supply Voltage
l
2.375
2.5
2.625
V
OVDD
Supply Voltage
l
1.71
5.25
V
IVDD
IOVDD
IPD
Supply Current
Power Down Mode
250ksps Sample Rate
250ksps Sample Rate (CL = 20pF)
Conversion Done (IVDD + IOVDD + IREF)
Conversion Done (IVDD + IOVDD + IREF, H-Grade)
l
1.36
0.05
0.9
1.7
90
140
mA
μA
PD
Power Dissipation
Power Down Mode
250ksps Sample Rate
Conversion Done (IVDD + IOVDD + IREF)
Conversion Done (IVDD + IOVDD + IREF, H-Grade)
3.4
2.25
4.25
225
315
mW
μW
The
l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 4)
REFERENCE INPUT
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF
Reference Voltage
(Note 5)
l
2.5
5.1
V
IREF
Reference Input Current
(Note 9)
l
0.16
0.2
mA
VIHDGC
High Level Input Voltage REF/DGC Pin
l
0.8VREF
V
VILDGC
Low Level Input Voltage REF/DGC Pin
l
0.2VREF
V
The
l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
DIGITAL INPUTS AND DIGITAL OUTPUTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
l 0.8 OVDD
V
VIL
Low Level Input Voltage
l
0.2 OVDD
V
IIN
Digital Input Current
VIN = 0V to OVDD
l
–10
10
μA
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
IO = –500μA
l OVDD – 0.2
V
VOL
Low Level Output Voltage
IO = 500μA
l
0.2
V
IOZ
Hi-Z Output Leakage Current
VOUT = 0V to OVDD
l
–10
10
μA
ISOURCE
Output Source Current
VOUT = 0V
–10
mA
ISINK
Output Sink Current
VOUT = OVDD
10
mA
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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