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LTC1404IS8 Datasheet

  • LTC1404IS8

  • Complete SO-8, 12-Bit, 600ksps ADC with Shutdown

  • 458.61KB

  • 24頁

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LTC1404
Complete SO-8, 12-Bit,
600ksps ADC with Shutdown
FEATURES
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DESCRIPTION
The LTC
廬
1404 is a complete 600ksps, 12-bit A/D con-
verter which draws only 75mW from a 5V or
鹵
5V supplies.
This easy-to-use device comes complete with a 160ns
sample-and-hold and a precision reference. Unipolar and
bipolar conversion modes add to the flexibility of the ADC.
The LTC1404 has two power saving modes: Nap and
Sleep. In Nap mode, it consumes only 7.5mW of power
and can wake up and convert immediately. In the Sleep
mode, it consumes 60碌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 LTC1404 converts 0V to 4.096V unipolar inputs from
a single 5V supply and
鹵2.048V
bipolar inputs from
鹵5V
supplies. Maximum DC specs include
鹵1LSB
INL,
鹵1LSB
DNL and 45ppm/擄C full-scale drift over temperature.
Guaranteed AC performance includes 69dB S/(N + D)
and 鈥?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.
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corp.
Complete 12-Bit ADC in SO-8
Single Supply 5V or
鹵
5V Operation
Sample Rate: 600ksps
Power Dissipation: 75mW (Typ)
72dB S/(N + D) and 鈥?80dB THD at Nyquist
No Missing Codes over Temperature
Nap Mode with Instant Wake-Up: 7.5mW
Sleep Mode: 60碌W
High Impedance Analog Input
Input Range (1mV/LSB): 0V to 4.096V or
鹵
2.048V
Internal Reference Can Be Overdriven Externally
3-Wire Interface to DSPs and Processors (SPI and
MICROWIRE
TM
Compatible)
APPLICATIONS
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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
TYPICAL APPLICATION
Single 5V Supply, 600kHz, 12-Bit Sampling A/D Converter
5V
Power Consumption vs Sample Rate
100
NORMAL CONVERSION
10
SUPPLY CURRENT (mA)
+
10碌F*
ANALOG INPUT
(0V TO 4.096V)
REF
OUT
2.43V
+
10碌F
0.1碌F
1
0.1碌F
V
CC
LTC1404
V
SS
8
MPU
7
6
5
SERIAL
DATA LINK
LTC1404 鈥?TA01
2
3
4
1
SLEEP MODE
BETWEEN CONVERSION
A
IN
V
REF
GND
CONV
CLK
D
OUT
P1.4
P1.3
P1.2
0.1
0.01
9.6MHz CLOCK
0.001
0.01 0.1
1
10 100 1k 10k 100k 1M
SAMPLE RATE (Hz)
LTC1404 鈥?TA02
*AVX TPSD106M035R0300
U
U
U
NAP MODE
BETWEEN CONVERSION
1

LTC1404IS8 產(chǎn)品屬性

  • LTC1404

  • 100

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器

  • -

  • 12

  • 600k

  • MICROWIRE?，串行，SPI?

  • 1

  • 160mW

  • 雙 ±

  • -40°C ~ 85°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

  • 管件

  • 1 個單端，單極；1 個單端，雙極

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