参数资料
型号: AD7677ASTZ
厂商: Analog Devices Inc
文件页数: 8/20页
文件大小: 0K
描述: IC ADC 16BIT 1MSPS DIFF 48-LQFP
标准包装: 1
系列: PulSAR®
位数: 16
采样率(每秒): 1M
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 130mW
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-AD7677CBZ-ND - BOARD EVALUATION FOR AD7677
REV. A
AD7677
–16–
The BYTESWAP pin allows a glueless interface to an 8-bit bus.
As shown in Figure 16, the LSB byte is output on D[7:0] and
the MSB is output on D[15:8] when BYTESWAP is low. When
BYTESWAP is high, the LSB and MSB bytes are swapped and
the LSB is output on D[15:8] and the MSB is output on D[7:0].
By connecting BYTESWAP to an address line, the 16 bits of
data can be read in 2 bytes on either D[15:8] or D[7:0].
CS
RD
BYTE
PINS D[15:8]
PINS D[7:0]
HI-Z
HIGH BYTE
LOW BYTE
HIGH BYTE
HI-Z
t12
t13
Figure 16. 8-Bit Parallel Interface
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 Convert)
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
EXT/
INT = 0
Figure 18. Master Serial Data Timing for Reading (Read Previous Conversion During Convert)
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