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參數(shù)資料
| 型號： | LTC1278-5CN |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 12-Bit, 500ksps Sampling A/D Converter with Shutdown |
| 中文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDIP24 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-24 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 329K |
| 代理商： | LTC1278-5CN |
1
LTC1278
S
FEATURE
D
The LTC
1278 is a 1.6
μ
s, 500ksps, sampling 12-bit A/D
converter that draws only 75mW from a single 5V or
±
5V
supplies. This easy-to-use device comes complete with
a 200ns sample-and-hold, a precision reference and an
internally trimmed clock. Unipolar and bipolar conver-
sion modes add to the flexibility of the ADC. The low
power dissipation is made even more attractive by a
8.5mW power-down feature. Instant wake-up from shut-
down allows the converter to be powered down even
during brief inactive periods.
The LTC1278 converts 0V to 5V unipolar inputs from a
single 5V supply and
±
2.5V bipolar inputs from
±
5V
supplies. Maximum DC specs include
±
1LSB INL and
±
1LSB DNL. Outstanding guaranteed AC performance
includes 70dB S/(N + D) and 78dB THD at the input
frequency of 100kHz over temperature.
The internal clock is trimmed for 1.6
μ
s conversion time.
The clock automatically synchronizes to each sample
command, eliminating problems with asynchronous clock
noise found in competitive devices. A separate convert
start input and a data ready signal (BUSY) ease connec-
tions to FIFOs, DSPs and microprocessors.
U
ESCRIPTIO
I
Single Supply 5V or
±
5V Operation
I
Two Speed Grades,500ksps (LTC1278-5)
400ksps (LTC1278-4)
I
70dB S/(N + D) and 74dB THD at Nyquist
I
No Missing Codes Over Temperature
I
75mW (Typ) Power Dissipation
I
Power Shutdown with Instant Wake-Up
I
Internal Reference Can Be Overdriven Externally
I
Internal Synchronized Clock; No Clock Required
I
High Impedance Analog Input
I
0V to 5V or
±
2.5V Input Range
I
New Flexible, Friendly Parallel Interface to DSPs
and FIFOs
I
24-Pin Narrow PDIP and SW Packages
12-Bit, 500ksps Sampling
A/D Converter with Shutdown
U
A
O
PPLICATI
TYPICAL
Effective Bits and Signal-to-(Noise + Distortion)
vs Input Frequency
INPUT FREQUENCY (Hz)
10k
0
E
S
+
D
3
2
5
4
7
6
10
100k
1M
2M
LT1278 G4
1
9
8
12
11
62
56
74
68
f
SAMPLE
= 500kHz
NYQUIST
FREQUENCY
U
S
A
O
PPLICATI
I
High Speed Data Acquisition
I
Digital Signal Processing
I
Multiplexed Data Acquisition Systems
I
Audio and Telecom Processing
I
Spectrum Analysis
, LTC and LT are registered trademarks of Linear Technology Corporation.
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
A
IN
V
REF
AGND
D11(MSB)
D10
D9
D8
D7
D6
D5
D4
DGND
AV
DD
V
SS
BUSY
CS
RD
CONVST
SHDN
DV
DD
D0
D1
D2
D3
LTC1278-5
+
0.1
μ
F
10
μ
F
2.42V
REFERENCE
OUTPUT
ANALOG INPUT
(0V TO 5V)
10
μ
F
0.1
μ
F
5V
12-BIT
PARALLEL
BUS
μ
P CONTROL
LINES
LTC1278 TA01
+
CONVERSION START INPUT
POWER DOWN INPUT
Single 5V Supply, 500kHz, 12-Bit Sampling A/D Converter
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| LTC1278-5CSW | 12-Bit, 500ksps Sampling A/D Converter with Shutdown |
| LTC1279C | 12-Bit, 600ksps Sampling A/D Converter with Shutdown |
| LTC1279ISW | 12-Bit, 600ksps Sampling A/D Converter with Shutdown |
| LTC1279CSW | 12-Bit, 600ksps Sampling A/D Converter with Shutdown |
| LTC1279I | 12-Bit, 600ksps Sampling A/D Converter with Shutdown |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LTC1278-5CSW | 功能描述:IC A/DCONV SAMPLNG W/SHTDN24SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 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:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| LTC1278-5CSW#PBF | 功能描述:IC A/DCONV SAMPLNG W/SHTDN24SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 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:48-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個單端，單極；2 個差分，單極 產(chǎn)品目錄頁面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6 |
| LTC1278-5CSW#TR | 功能描述:IC ADC 12BIT SAMPL SHTDWN 24SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
| LTC1278-5CSW#TRPBF | 功能描述:IC A/DCONV SAMPLNG W/SHTDN24SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
| LTC1278-5ISW | 功能描述:IC A/DCONV SAMPLNG W/SHTDN24SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
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