参数资料
型号: ADS7864YB/250G4
厂商: Texas Instruments
文件页数: 1/27页
文件大小: 0K
描述: IC 12BIT 500KHZ 6CH ADC 48-TQFP
产品培训模块: Data Converter Basics
标准包装: 250
位数: 12
采样率(每秒): 500k
数据接口: 并联
转换器数目: 2
功率耗散(最大): 50mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 带卷 (TR)
输入数目和类型: 12 个单端,双极;6 个差分,双极
配用: 296-30697-ND - EVAL MODULE FOR ADS7864M
BurrBrown Products
from Texas Instruments
FEATURES
DESCRIPTION
APPLICATIONS
SAR
Interface
Conversion
and
Control
FIFO
Registers
COMP
CS
CLOCK
BYTE
A0
Channel/
Data Output
16
RESET
BUSY
RD
A1
A2
CDAC
Internal
2.5V
Reference
CH A0
CH A0+
CH B0
CH B0+
HOLDA
HOLDB
HOLDC
REF
IN
CH C1
CH C1+
SAR
COMP
CDAC
MUX
CH A1
CH A1+
CH B1
CH B1+
S/H
Amp
S/H
Amp
S/H
Amp
S/H
Amp
S/H
Amp
S/H
Amp
CH C1
CH C1+
REF
OUT
ADS7864
SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
500kHz, 12-Bit, 6-Channel Simultaneous Sampling
ANALOG-TO-DIGITAL CONVERTER
6 Simultaneous Sampling Channels
The
ADS7864
is
a
dual
12-bit,
500kHz
analog-to-digital (A/D) converter with 6 fully differen-
Fully Differential Inputs
tial input channels grouped into three pairs for high
2s Total Throughput per Channel
speed simultaneous signal acquisition. Inputs to the
No Missing Codes
sample-and-hold amplifiers are fully differential and
Parallel Interface
are maintained differential to the input of the A/D
converter. This provides excellent common-mode re-
1MHz Effective Sampling Rate
jection of 80dB at 50kHz which is important in high
Low Power: 50mW
noise environments.
6X FIFO
The ADS7864 offers a parallel interface and control
inputs to minimize software overhead. The output
data for each channel is available as a 16-bit word
Motor Control
(address and data). The ADS7864 is offered in a
Multi-Axis Positioning Systems
TQFP-48 package and is fully specified over the
–40°C to +85°C operating range.
3-Phase Power Control
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2000–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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