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參數資料
| 型號： | TLV571PW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT, PARALLEL ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 2.7 V至5.5 V，1通道，8位并行模擬到數字轉換器 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 405K |
| 代理商： | TLV571PW |
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TLV571
2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,
PARALLEL ANALOG-TO-DIGITAL CONVERTER
SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
features
Fast Throughput Rate: 1.25 MSPS at 5 V,
625 KSPS at 3 V
Wide Analog Input: 0 V to AV
DD
Differential Nonlinearity Error: <
±
0.5 LSB
Integral Nonlinearity Error: <
±
0.5 LSB
Single 2.7-V to 5.5-V Supply Operation
Low Power: 12 mW at 3 V and 35 mW at 5 V
Auto Power Down of 1 mA Max
Software Power Down: 10
μ
A Max
Internal OSC
Hardware Configurable
DSP and Microcontroller Compatible
Parallel Interface
Binary/Twos Complement Output
Hardware Controlled Extended Sampling
Hardware or Software Start of Conversion
applications
Mass Storage and HDD
Automotive
Digital Servos
Process Control
General-Purpose DSP
Image Sensor Processing
description
The TLV571 is an 8-bit data acquisition system
that combines a high-speed 8-bit ADC and a
parallel interface. The device contains two on-chip control registers allowing control of software conversion start
and power down via the bidirectional parallel port. The control registers can be set to a default mode using a
dummy RD while WR is tied low allowing the registers to be hardware configurable.
The TLV571 operates from a single 2.7-V to 5.5-V power supply. It accepts an analog input range from 0 V to
AV
DD
and digitizes the input at a maximum 1.25 MSPS throughput rate at 5 V. The power dissipations are only
12 mW with a 3-V supply or 35 mW with a 5-V supply. The device features an auto power-down mode that
automatically powers down to 1 mA 50 ns after conversion is performed. In software power-down mode, the
ADC is further powered down to only 10
μ
A.
Very high throughput rate, simple parallel interface, and low power consumption make the TLV571 an ideal
choice for high-speed digital signal processing.
AVAILABLE OPTIONS
PACKAGE
TA
24 TSSOP
(PW)
24 SOIC
(DW)
–40
°
C to 85
°
C
TLV571IPW
TLV571IDW
Copyright
2000, Texas Instruments Incorporated
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.
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.
NC – No internal connection
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CS
WR
RD
CLK
DGND
DVDD
INT/EOC
DGND
DGND
D0
D1
D2
NC
AIN
AVDD
AGND
REFM
REFP
CSTART
A1/D7
A0/D6
D5
D4
D3
DW OR PW PACKAGE
(TOP VIEW)
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