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参数资料
| 型号： | TLV1562CDW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | 1.27 MM PITCH, SOIC-28 |
| 文件页数： | 12/41页 |
| 文件大小： | 600K |
| 代理商： | TLV1562CDW |
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TLV1562
2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL
CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN
SLAS162 – SEPTEMBER 1998
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
REF
M
U
X
S/H
4/8/10-Bit
Recyclic
ADC
OSC
(7.5 MHz Min)
Serial/Parallel Conv
and FIFO
3-State
Buffer
Control
Register
Interface
Timing
and
Control
AVDD
DVDD
BDVDD
AGND
DGND
BDGND
AP/CH1
D (0–9)
CS/OE
INT
CSTART
WR
SysClk
AM/CH2
BP/CH3
BM/CH4
VREFP
VREFM
CLKIN
RD
(15 MHz Max)
VREFMID
S/H
Amplifier
description
The TLV1562 is a 10-bit CMOS low-power, high-speed programmable resolution analog-to-digital converter
based on a low-power recyclic architecture. The unique architecture delivers a throughput up to 2 MSPS (million
samples per second) at 10-bit resolution. The programmable resolution allows a higher conversion throughput
as a tradeoff of lower resolution. A high speed 3-state parallel port directly interfaces to a digital signal processor
(DSP) or microprocessor (
P) system data bus. D0 through D9 are the digital output terminals with D0 being
the least significant bit (LSB). The TLV1562 is designed to operate for a wide range of supply voltages
(2.7 V to 5.5 V) with very low power consumption (11 mA maximum at 5.5 V, 10 MHz CLKIN). The power saving
feature is further enhanced with a software power-down feature (1
A maximum) and auto power-down (1 A
maximum) feature.
Many programmable features make this device a flexible general-purpose data converter. The device can be
configured as either four single-ended inputs to maximize the capacity or two differential inputs to improve noise
immunity. The internal system clock (SYSCLK) may come from either an internally generated OSC or an
external clock source (CLKIN). Four different modes of conversion are available for different applications. The
interrupt driven modes are mostly suitable for asynchronous applications, while the continuous modes take
advantage of the high speed nature of a pipelined architecture. A pair of built-in sample-and-hold amplifiers
allow simultaneous sampling of two input channels. This makes the TLV1562 perfect for communication
applications. Conversion is started by the RD signal, which can also be used for reading data, to maximize the
throughput. Conversion can be started either by the RD or CSTART signal when the device is operating in the
interrupt-driven modes. The dedicated conversion start pin, CSTART, provides a mechanism to simultaneously
sample and convert multiple channels when multiple converters are used in an application.
相关PDF资料 |
PDF描述 |
|---|---|
| TLV1562IDWR | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| TLV1562CPWR | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| TLV1562CPW | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| TLV1562IPWR | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| TLV1562IPW | 4-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TLV1562CDWR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TLV1562CPW | 功能描述:模数转换器 - ADC 10bit Programmable 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 |
| TLV1562CPWG4 | 功能描述:模数转换器 - ADC 10-Bit 2 MSPS Quad Channel 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 |
| TLV1562EVM | 制造商:Rochester Electronics LLC 功能描述:10- BIT A-D CONVERTER EVALUATION MODULE - Bulk 制造商:Texas Instruments 功能描述:10- BIT A-D CONVERTER EVALUATION MODULE - Bulk |
| TLV1562IDW | 功能描述:模数转换器 - ADC 10bit Programmable 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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