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TLV1570CDWR Datasheet

  • TLV1570CDWR

  • 10-Bit, 1.25 MSPS ADC 8-Ch., DSP/(Q)SPI IF, Pgmable Int. Ref...

  • 480.62KB

  • 28页

  • TI

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TLV1570
2.7 V TO 5.5 V 8-CHANNEL 10-BIT 1.25-MSPS
SERIAL ANALOG-TO-DIGITAL CONVERTER
SLAS169A 鈥?DECEMBER 1997鈥?REVISED SEPTEMBER 1998
D
D
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D
Fast Throughput Rate: 1.25 MSPS at 5 V,
625 KSPS at 3 V
Wide Analog Channel Input: 0 V to AV
DD
Eight Analog Input Channels
Channel Auto-Scan
Differential Nonlinearity Error: <
卤1
LSB
Integral Nonlinearity Error: <
卤1
LSB
Signal-to-Noise and Distortion Ratio: 57 dB
Single 2.7-V to 5.5-V Supply Operation
Very Low Power: 40 mW at 5.5 V,
8 mW at 2.7 V
Auto-Power Down: 300
碌A
Max
Software Power Down: 10
碌A
Max
Glueless Serial Interface to TMS320 DSPs
and (Q)SPI Compatible Microcontrollers
Programmable Internal Reference Voltage:
3.8-V Reference for 5-V Operation,
2.3-V Reference for 3-V Operation
applications
D
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Mass Storage and Hard Disk Drive
Automotive
Digital Servos
Process Control
General Purpose DSP
Image Sensor Processing
DW OR PW PACKAGE
(TOP VIEW)
CH4
CH3
CH2
CH1
CH0
DV
DD
DGND
FS
SCLK
SDIN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
AIN
MO
CH5
CH6
CH7
AV
DD
AGND
REF
CS
SDOUT
description
The TLV1570 is a 10-bit data acquisition system that combines an 8-channel input multiplexer (MUX), a
high-speed 10-bit ADC, an on-chip reference, and a high-speed serial interface. The device contains an on-chip
control register allowing control of channel selection, conversion start, reference voltage levels, and power
down via the serial port. The MUX is independently accessible, which allows the user to insert a signal
conditioning circuit such as an anti-aliasing filter or an amplifier, if required, between the MUX and the ADC.
Therefore one signal conditioning circuit can be used for all eight channels.
The TLV1570 operates from a single 2.7-V to 5.5-V power supply. The device accepts an analog input range
from 0 V to AV
DD
and digitizes the input at a maximum 1.25 MSPS throughput rate. Power dissipation is only
8 mW with a 2.7-V supply or 40 mW with a 5.5-V supply. The device features an auto-power down mode that
automatically powers down to 300
碌A,
10 ns after a conversion is performed. With software power down
enabled, the device is further powered down to only 10
碌A.
The TLV1570 communicates with digital microprocessors via a simple 4- or 5-wire serial port that interfaces
directly to Texas Instruments TMS320 DSPs, and SPI鈩?and QSPI鈩?compatible microcontrollers without using
additional glue logic.
A very high throughput rate, a simple serial interface, and low power consumption make the TLV1570 an ideal
choice for high-speed digital signal processing requiring multiple analog inputs.
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
0掳C to 70掳C
鈥?40掳C to 85掳C
SMALL OUTLINE
(DW)
TLV1570CDW
TLV1570IDW
SMALL OUTLINE
(PW)
TLV1570CPW
TLV1570IPW
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
1998, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TLV1570CDWR 产品属性

  • Data Converter Basics

  • 2,000

  • 集成电路 (IC)

  • 数据采集 - 模数转换器

  • -

  • 10

  • 1.25M

  • 串行

  • 1

  • 47mW

  • 模拟和数字

  • 0°C ~ 70°C

  • 表面贴装

  • 20-SOIC（0.295"，7.50mm 宽）

  • 20-SOIC

  • 带卷 (TR)

  • 8 个单端，单极

  • 296-10496-ND - EVALUATION MODULE FOR TLV1570

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