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參數資料
| 型號： | LTC1298C |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 串行ADC |
| 英文描述： | Micropower Sampling 12-Bit A/D Converters In S0-8 Packages |
| 中文描述： | 微采樣12位A / D轉換器于S0 - 8封裝 |
| 文件頁數： | 9/24頁 |
| 文件大?。?/td> | 418K |
| 代理商： | LTC1298C |
9
LTC1286/LTC1298
1
2
3
4
LTC1298
D
IN
CLK
D
OUT
START
t
en
B11
V
OL
LTC1286/98 TC07
CS
TEST CIR
Voltage Waveforms for t
dis
Voltage Waveforms for t
en
Voltage Waveforms for t
en
D
WAVEFORM 1
(SEE NOTE 1)
V
IH
t
dis
90%
10%
D
OUT
WAVEFORM 2
(SEE NOTE 2)
NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH
THAT THE OUTPUT IS HIGH UNLESS DISABLED BY THE OUTPUT CONTROL.
NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH
THAT THE OUTPUT IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL.
CS
LTC1286/98 TC05
LTC1286/98 TC06
CS
LTC1286
1
CLK
D
OUT
t
en
B11
V
OL
2
APPLICATIO
I
FOR
ATIO
U
OVERVIEW
The LTC1286 and LTC1298 are micropower, 12-bit, suc-
cessive approximation sampling A/D converters. The
LTC1286 typically draws 250
μ
A of supply current when
sampling at 12.5kHz while the LTC1298 nominally con-
sumes 350
μ
A of supply current when sampling at
11.1 kHz. The extra 100
μ
A of supply current on the
LTC1298 comes from the reference input which is inten-
tionally tied to the supply. Supply current drops linearly as
the sample rate is reduced (see Supply Current vs Sample
Rate). The ADCs automatically power down when not
performing conversions, drawing only leakage current.
They are packaged in 8-pin SO and DIP packages. The
LTC1286 operates on a single supply from 4.5V to 9V,
W
U
U
while the LTC1298 operates from a 4.5V to 5.5V supply.
Both the LTC1286 and the LTC1298 contain a 12-bit,
switched-capacitor ADC, a sample-and-hold, and a
serial port (see Block Diagram). Although they share
the same basic design, the LTC1286 and LTC1298
differ in some respects. The LTC1286 has a differential
input and has an external reference input pin. It can
measure signals floating on a DC common-mode volt-
age and can operate with reduced spans to 1V. Reduc-
ing the spans allows it to achieve 244
μ
V resolution. The
LTC1298 has a two-channel input multiplexer and can
convert either channel with respect to ground or the
difference between the two. The reference input is tied
to the supply pin.
相關PDF資料 |
PDF描述 |
|---|---|
| LTC1298CS8 | Micropower Sampling 12-Bit A/D Converters In S0-8 Packages |
| LTC1298I | Micropower Sampling 12-Bit A/D Converters In S0-8 Packages |
| LTC1298CN8 | Micropower Sampling 12-Bit A/D Converters In S0-8 Packages |
| LTC1298IN8 | Micropower Sampling 12-Bit A/D Converters In S0-8 Packages |
| LTC1286 | 12.5 ksps,Micropower Sampling 12-Bit A/D Converters In S0-8 Packages(12.5 ksps,12位,采樣模數轉換器(SO-8封裝)) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC1298CN8 | 功能描述:IC A/D CONV SAMPLING 12BIT 8-DIP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
| LTC1298CN8#PBF | 功能描述:IC A/D CONV SAMPLING 12BIT 8-DIP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 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 |
| LTC1298CN8PBF | 制造商:Linear Technology 功能描述:12bit A-D converter,LTC1298CN8 DIP8 |
| LTC1298CS8 | 功能描述:IC A/D CONV SAMPLING 12BIT 8SOIC RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率（每秒）:45k 數據接口:串行 轉換器數目:2 功率耗散（最大）:315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端，單極 |
| LTC1298CS8#PBF | 功能描述:IC A/D CONV SAMPLING 12BIT 8SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率（每秒）:1M 數據接口:串行，SPI? 轉換器數目:1 功率耗散（最大）:- 電壓電源:模擬和數字 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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