ADC+ LTC1854/LTC1855/LTC185" />
參數(shù)資料
型號: LTC1856IG#PBF
廠商: Linear Technology
文件頁數(shù): 15/24頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 100KSPS 28-SSOP
標準包裝: 47
位數(shù): 16
采樣率(每秒): 100k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉換器數(shù)目: 1
功率耗散(最大): 40mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 28-SSOP
包裝: 管件
輸入數(shù)目和類型: 8 個單端,雙極;4 個差分,雙極
22
LTC1854/LTC1855/LTC1856
185456fa
APPLICATIO S I FOR ATIO
WU
UU
18545 F13
ADC+
LTC1854/LTC1855/LTC1856
DIGITAL
SYSTEM
OVDD
DGND
24
21
ADC
10
μF
DVDD
20
10
μF
AVDD
19
AGND
14, 17, 18
10
μF
REFCOMP
16
10
μF
VREF
15
12
MUXOUT+
LTC1854/
LTC1855/
LTC1856
MUXOUT
10
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
11
13
1
μF
ANALOG GROUND PLANE
DIGITAL
GROUND PLANE
+
Figure 13. Power Supply Grounding Practice
LTC1855/LTC1856 can be tied to the analog ground plane.
Placing the bypass capacitor as close as possible to the
power supply pins, the reference and reference buffer
output is very important. Low impedance common returns
for these bypass capacitors are essential to low noise op-
eration of the ADC, and the foil width for these tracks should
be as wide as possible. Also, since any potential difference
in grounds between the signal source and ADC appears as
an error voltage in series with the input signal, attention
should be paid to reducing the ground circuit impedance
as much as possible. The digital output latches and the
onboard sampling clock have been placed on the digital
ground plane. The two ground planes are tied together at
the ADC through a wide, low inductance path.
相關PDF資料
PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
LTC1857CG 制造商:Linear Technology 功能描述:ADC Single SAR 100ksps 12-bit Serial 28-Pin SSOP
LTC1857CG#PBF 功能描述:IC ADC 8CH 12BIT 100KSPS 28-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:SoftSpan™ 標準包裝:1 系列:microPOWER™ 位數(shù):8 采樣率(每秒):1M 數(shù)據(jù)接口:串行,SPI? 轉換器數(shù)目:1 功率耗散(最大):- 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:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤(4x4) 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端,單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
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