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參數(shù)資料
| 型號： | LTC1279CG#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC A/DCONV SAMPLNG W/SHTDN24SSOP |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 600k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 120mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個單端，單極；1 個單端，雙極 |
1
LTC1279
12-Bit, 600ksps Sampling
A/D Converter with Shutdown
S
FEATURE
D
U
ESCRIPTIO
s
Single Supply 5V or
±5V Operation
s
Sample Rate: 600ksps
s
70dB S/(N + D) and 74dB THD at Nyquist
s
Power Dissipation: 60mW Typ
s
Power Shutdown with Instant Wake-Up
s
Internal Reference Can Be Overdriven Externally
s
Internal Synchronized Clock; No Clock Required
s
High Impedance Analog Input
s
Input Range: 0V to 5V or
±2.5V
s
New Flexible, Friendly Parallel Interface Eases
Connections to DSPs and FIFOs
s
24-Pin SO Wide Package
U
A
O
PPLICATI
TYPICAL
The LTC
1279 is a 1.4
s, 600ksps, sampling 12-bit A/D
converter which draws only 60mW from a single 5V or
±5V supplies. This easy-to-use device comes complete
with a 160ns 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 reduced even more, drawing only
8.5mW in power shutdown mode. Instant wake-up from
power shutdown allows the converter to be powered
down even during brief inactive periods.
The LTC1279 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 1.4
s conversion time.
The clock automatically synchronizes to each sample
command, eliminating problems with asynchronous clock
noise found in competitive devices. A separate conversion
start input and a data-ready signal (BUSY) ease connec-
tions to FIFOs, DSPs and microprocessors.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Single 5V Supply, 600kHz, 12-Bit Sampling A/D Converter
Effective Bits and Signal-to-(Noise + Distortion)
vs Input Frequency
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
AIN
VREF
AGND
D11(MSB)
D10
D9
D8
D7
D6
D5
D4
DGND
AVDD
VSS
BUSY
CS
RD
CONVST
SHDN
DVDD
D0
D1
D2
D3
LTC1279
+
0.1
F
10
F
2.42V
REFERENCE
OUTPUT
ANALOG INPUT
(0V TO 5V)
10
F
0.1
F
5V
12-BIT
PARALLEL
BUS
P CONTROL
LINES
LTC1279 TA01
+
CONVERSION-START INPUT
POWER SHUTDOWN INPUT
U
S
A
O
PPLICATI
s
High Speed Data Acquisition
s
Digital Signal Processing
s
Multiplexed Data Acquisition Systems
s
Audio and Telecom Processing
s
Spectrum Analysis
FREQUENCY (Hz)
10k
EFFECTIVE
NUMBER
OF
BITS
SIGNAL/(NOISE
+
DISTORTION)
(dB)
100k
1M
5M
1279 G03
12
11
10
9
8
7
6
5
4
3
2
1
0
74
68
62
56
50
fSAMPLE = 600kHz
NYQUIST
FREQUENCY
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| LTC1279CSW | 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 |
| LTC1279CSW#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 |
| LTC1279CSW#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 |
| LTC1279CSW#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 |
| LTC1279CSWPBF | 制造商:Linear Technology 功能描述:LTC1279CSWPBF |
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