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参数资料
| 型号： | AD7676ASTZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/20页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT 500KSPS DIFF 48LQFP |
| 标准包装： | 1 |
| 系列： | PulSAR® |
| 位数： | 16 |
| 采样率（每秒）： | 500k |
| 数据接口： | 串行，并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 74mW |
| 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-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 托盘 |
| 输入数目和类型： | 1 个差分，双极 |
| 产品目录页面： | 778 (CN2011-ZH PDF) |
| 配用： | EVAL-AD7676CBZ-ND - BOARD EVALUATION FOR AD7676 |
REV. B
AD7676
–15–
t3
BUSY
CS, RD
CNVST
SYNC
SCLK
SDOUT
12
3
14
15
16
D15
D14
D2
D1
D0
X
EXT/
INT = 0
RDC/SDIN = 0
INVSCLK = INVSYNC = 0
t14
t20
t15
t16
t22
t23
t29
t28
t18
t19
t21
t30
t25
t24
t26
t27
Figure 17. Master Serial Data Timing for Reading (Read after Conversion)
EXT/
INT = 0
RDC/SDIN = 1
INVSCLK = INVSYNC = 0
D15
D14
D2
D1
D0
X
12
3
14
15
16
BUSY
SYNC
SCLK
SDOUT
CS, RD
CNVST
t3
t1
t17
t14
t15
t19
t20
t21
t16
t22
t23
t24
t27
t26
t25
t18
Figure 18. Master Serial Data Timing for Reading (Read Previous Conversion during Conversion)
SERIAL INTERFACE
The AD7676 is configured to use the serial interface when the
SER/
PAR is held HIGH. The AD7676 outputs 16 bits of data
MSB first, on the SDOUT pin. This data is synchronized with
the 16 clock pulses provided on the SCLK pin.
MASTER SERIAL INTERFACE
Internal Clock
The AD7676 is configured to generate and provide the serial data
clock SCLK when the EXT/
INT pin is held LOW. The AD7676 also
generates a SYNC signal to indicate to the host when the serial
data is valid. The serial clock SCLK and the SYNC signal can be
inverted if desired. The output data is valid on both the rising
and falling edges of the data clock. Depending on RDC/SDIN
input, the data can be read after each conversion or during the
following conversion. Figures 17 and 18 show the detailed timing
diagrams of these two modes.
Usually, because the AD7676 has a longer acquisition phase
than the conversion phase, the data is read immediately after
conversion. That makes the mode master, read after conversion,
the most recommended serial mode when it can be used.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7676ASTZKL1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD7676ASTZRL | 功能描述:IC ADC 16BIT DIFF INP 48LQFP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:PulSAR® 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
| AD7677 | 制造商:AD 制造商全称:Analog Devices 功能描述:18-Bit, 2.5 LSB INL, 570 kSPS SAR ADC |
| AD7677AAST | 制造商:Analog Devices 功能描述: |
| AD7677ACP | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 16-bit Parallel/Serial 48-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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