參數(shù)資料
型號(hào): LTC1400CS8#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/20頁(yè)
文件大?。?/td> 0K
描述: IC A/D CONV 12BIT W/SHTDN 8-SOIC
標(biāo)準(zhǔn)包裝: 100
位數(shù): 12
采樣率(每秒): 400k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 160mW
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: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
輸入數(shù)目和類型: 1 個(gè)單端,單極;1 個(gè)單端,雙極
產(chǎn)品目錄頁(yè)面: 1346 (CN2011-ZH PDF)
LTC1400
1
1400fa
Complete SO-8, 12-Bit,
400ksps ADC with
Shutdown
TheLTC1400isacomplete400ksps,12-bitA/Dconverter
which draws only 75mW from 5V or ±5V supplies. This
easy-to-use device comes complete with a 200ns sample-
and-hold and a precision reference. Unipolar and bipolar
conversion modes add to the exibility of the ADC. The
LTC1400 has two power saving modes: Nap and Sleep.
In Nap mode, it consumes only 6mW of power and can
wake up and convert immediately. In the Sleep mode, it
consumes 30μW of power typically. Upon power-up from
Sleepmode,areferenceready(REFRDY)signalisavailable
in the serial data word to indicate that the reference has
settled and the chip is ready to convert.
The LTC1400 converts 0V to 4.096V unipolar inputs from
a single 5V supply and ±2.048V bipolar inputs from ±5V
supplies. Maximum DC specs include ±1LSB INL, ±1LSB
DNL and 45ppm/°C drift over temperature. Guaranteed AC
performance includes 70dB S/(N + D) and –76dB THD at
an input frequency of 100kHz, over temperature.
The 3-wire serial port allows compact and efcient data
transfer to a wide range of microprocessors, microcon-
trollers and DSPs.
High Speed Data Acquisition
Digital Signal Processing
Multiplexed Data Acquisition Systems
Audio and Telecom Processing
Digital Radio
Spectrum Analysis
Low Power and Battery-Operated Systems
Handheld or Portable Instruments
Complete 12-Bit ADC in SO-8
Single Supply 5V or ±5V Operation
Sample Rate: 400ksps
Power Dissipation: 75mW (Typ)
72dB S/(N + D) and –80dB THD at Nyquist
No Missing Codes over Temperature
Nap Mode with Instant Wake-Up: 6mW
Sleep Mode: 30μW
High Impedance Analog Input
Input Range (1mV/LSB): 0V to 4.096V or ±2.048V
Internal Reference Can Be Overdriven Externally
3-Wire Interface to DSPs and Processors (SPI and
MICROWIRETM Compatible)
Single 5V Supply, 400kHz, 12-Bit Sampling A/D Converter
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
VCC
AIN
VREF
GND
VSS
CONV
CLK
DOUT
MPU
P1.4
P1.3
P1.2
LTC1400
+
0.1
F
10
F
+
0.1
F
10
F
2.42V REFOUT
ANALOG INPUT
(0V TO 4.096V)
SERIAL
DATA LINK
5V
1400 TA01
SAMPLE RATE (Hz)
0.01
SUPPLY
CURRENT
(mA)
100
10
1
0.1
0.01
0.001
10
1k
1M
1400 TA02
0.1
1
100
10k 100k
NORMAL CONVERSION
NAP MODE
BETWEEN CONVERSION
SLEEP AND NAP MODE
BETWEEN CONVERSION
SLEEP MODE BETWEEN
CONVERSION
6.4MHz CLOCK
Power Consumption vs Sample Rate
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LTC1400IS8PBF 制造商:Linear Technology 功能描述:ADC SAR 400ksps 12-Bit Serial SOIC8