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参数资料
| 型号： | TLC2558QDWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封装： | PLASTIC, SOIC-20 |
| 文件页数： | 1/45页 |
| 文件大小： | 1039K |
| 代理商： | TLC2558QDWR |
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TLC2554, TLC2558
5-V, 12-BIT, 400 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS220A –JUNE 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Maximum Throughput 400 KSPS
D Built-In Reference and 8× FIFO
D Differential/Integral Nonlinearity Error:
±1 LSB
D Signal-to-Noise and Distortion Ratio:
69 dB, fi = 12 kHz
D Spurious Free Dynamic Range: 75 dB,
fi = 12 kHz
D SPI/DSP-Compatible Serial Interfaces With
SCLK up to 20 MHz
D Single Supply 5 Vdc
D Analog Input Range 0 V to Supply Voltage
With 500 kHz BW
D Hardware Controlled and Programmable
Sampling Period
D Low Operating Current (4 mA at 5.5 V
External Ref, 6 mA at 5.5 V, Internal Ref)
D Power Down: Software/Hardware
Power-Down Mode (1
A Max, Ext Ref),
Auto Power-Down Mode (1
A, Ext Ref)
D Programmable Auto-Channel Sweep
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SDO
SDI
SCLK
EOC/(INT)
VCC
A0
A1
A2
A3
A4
CS
REFP
REFM
FS
PWDN
GND
CSTART
A7
A6
A5
DW OR PW PACKAGE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SDO
SDI
SCLK
EOC/(INT)
VCC
A0
A1
A2
CS
REFP
REFM
FS
PWDN
GND
CSTART
A3
D OR PW PACKAGE
(TOP VIEW)
description
The TLC2558 and TLC2554 are a family of high-performance, 12-bit low power, 1.6
s, CMOS analog-to-digital
converters (ADC) which operate from a single 5 V power supply. These devices have three digital inputs and
a 3-state output [chip select (CS), serial input-output clock (SCLK), serial data input (SDI), and serial data output
(SDO)] that provide a direct 4-wire interface to the serial port of most popular host microprocessors (SPI
interface). When interfaced with a DSP, a frame sync (FS) signal is used to indicate the start of a serial data
frame.
In addition to a high-speed A/D converter and versatile control capability, these devices have an on-chip analog
multiplexer that can select any analog inputs or one of three internal self-test voltages. The sample-and-hold
function is automatically started after the fourth SCLK edge (normal sampling) or can be controlled by a special
pin, CSTART, to extend the sampling period (extended sampling). The normal sampling period can also be
programmed as short (12 SCLKs) or as long (24 SCLKs) to accommodate faster SCLK operation popular
among high-performance signal processors. The TLC2558 and TLC2554 are designed to operate with very low
power consumption. The power-saving feature is further enhanced with software/hardware/auto power down
modes and programmable conversion speeds. The converter uses the external SCLK as the source of the
conversion clock to achieve higher (up to 1.6
s when a 20 MHz SCLK is used) conversion speed. There is a
4-V internal reference available. An optional external reference can also be used to achieve maximum flexibility.
Copyright
1999, 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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLC2574EVM | 功能描述:数据转换 IC 开发工具 TLC2574 Eval Mod RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| TLC2574IDW | 功能描述:模数转换器 - ADC Serial Out Low Power RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| TLC2574IDWG4 | 功能描述:模数转换器 - ADC Serial Out LO PWR RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| TLC2574IDWR | 功能描述:模数转换器 - ADC Serial Out Low Power RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| TLC2574IDWRG4 | 功能描述:模数转换器 - ADC Serial Out Low Power RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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