參數(shù)資料
型號(hào)： LTC1400I
廠商： Linear Technology Corporation
英文描述： Complete SO-8, 12-Bit, 400ksps ADC with Shutdown
中文描述： 完整的SO - 8，12位，以其400 kSPS ADC的帶有關(guān)斷
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 515K
代理商： LTC1400I
1
LTC1400
Complete SO-8, 12-Bit,
400ksps ADC with Shutdown
The LTC
1400 is a complete 400ksps, 12-bit A/D con-
verter which draws only 75mW from a 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 flexibility 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 30
μ
W of power typically. Upon power-up
from Sleep mode, a reference ready (REFRDY) signal is
available 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 efficient data
transfer to a wide range of microprocessors, microcontrollers
and DSPs.
DESCRIPTIO
N
U
FEATURES
I
Complete 12-Bit ADC in SO-8
I
Single Supply 5V or
±
5V Operation
I
Sample Rate: 400ksps
I
Power Dissipation: 75mW (Typ)
I
72dB S/(N + D) and –80dB THD at Nyquist
I
No Missing Codes over Temperature
I
Nap Mode with Instant Wake-Up: 6mW
I
Sleep Mode: 30
μ
W
I
High Impedance Analog Input
I
Input Range (1mV/LSB): 0V to 4.096 or
±
2.048V
I
Internal Reference Can Be Overdriven Externally
I
3-Wire Interface to DSPs and Processors (SPI and
MICROWIRE
TM
Compatible)
APPLICATIO
S
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corp.
I
High Speed Data Acquisition
I
Digital Signal Processing
I
Multiplexed Data Acquisition Systems
I
Audio and Telecom Processing
I
Digital Radio
I
Spectrum Analysis
I
Low Power and Battery-Operated Systems
I
Handheld or Portable Instruments
Single 5V Supply, 400kHz, 12-Bit Sampling A/D Converter
TYPICAL APPLICATIO
N
U
V
CC
A
IN
V
REF
GND
V
SS
CONV
CLK
D
OUT
MPU
P1.4
P1.3
P1.2
LTC1400
+
0.1
μ
F
10
μ
F
+
0.1
μ
F
10
μ
F
2.42V REF
OUT
ANALOG INPUT
(0V TO 4.096V)
4
3
2
1
5
6
7
8
SERIAL
DATA LINK
5V
LTC1400 TA01
Power Consumption vs Sample Rate
SAMPLE RATE (Hz)
0.01
S
100
10
1
0.1
0.01
0.001
10
1k
1M
LTC1400 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
相關(guān)PDF資料
PDF描述
LTC1400 Complete SO-8, 12-Bit,400ksps ADC with Shutdown(SO-8封裝，12位,400ksps，模數(shù)轉(zhuǎn)換器（帶關(guān)斷）)
LTC1401C Complete SO-8, 12-Bit, 200ksps ADC with Shutdown
LTC1401CS8 Complete SO-8, 12-Bit, 200ksps ADC with Shutdown
LTC1401I Complete SO-8, 12-Bit, 200ksps ADC with Shutdown
LTC1401IS8 Complete SO-8, 12-Bit, 200ksps ADC with Shutdown
相關(guān)代理商/技術(shù)參數(shù)
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LTC1400IS8#TRPBF 功能描述:IC A/D CONV 12BIT W/SHTDN 8-SOIC 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):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)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(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個(gè)單端，單極
LTC1400IS8PBF 制造商:Linear Technology 功能描述:ADC SAR 400ksps 12-Bit Serial SOIC8
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