参数资料
型号: EVAL-AD7609EDZ
厂商: Analog Devices Inc
文件页数: 6/36页
文件大小: 0K
描述: BOARD EVAL FOR AD7609
标准包装: 1
ADC 的数量: 8
位数: 18
采样率(每秒): 200k
数据接口: DSP,MICROWIRE?,并联,QSPI?,串行,SPI?
输入范围: ±10 V
在以下条件下的电源(标准): 100mW @ 200kSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: AD7609
已供物品:
AD7609
Data Sheet
Rev. A | Page 14 of 36
Pin No.
Type1
Mnemonic
Description
5, 4, 3
DI
OS [2:0]
Oversampling Mode Pins. Logic inputs. These inputs are used to select the oversampling ratio. OS 2 is
the MSB control bit, and OS 0 is the LSB control bit. See the Digital Filter section for additional details
on the oversampling mode of operation and Table 9 for oversampling bit decoding.
33
DO/DI
DB15
Parallel Output Data Bits, Data Bit 15. When PAR/SER SEL = 0, this pin acts as three-state parallel digital
output pin. This pin is used to output DB17 of the conversion result during the first RD pulse and DB1
of the same conversion result during the second RD pulse. When PAR/SER SEL = 1, this pin should be
tied to AGND.
32
DO/DI
DB14
Parallel Output Data Bits, Data Bit 14. When PAR/SER SEL = 0, this pin acts as three-state parallel digital
output pin. When CS and RD are low, this pin is used to output DB16 of the conversion result during
the first RD pulse and DB0 of the same conversion result during the second RD pulse. When PAR/SER
SEL = 1, this pin should be tied to AGND.
31 to 27
DO
DB[13:9]
Parallel Output Data Bits, Data Bit 13 to Data Bit 9. When PAR/SER SEL = 0, these pins act as three-state
parallel digital input/output pins. When CS and RD are low, these pins are used to output DB15 to
DB11 of the conversion result during the first RD pulse and output 0 during the second RD pulse.
When PAR/SER SEL = 1, these pins should be tied to AGND.
24
DO
DB7/DOUTA
Parallel Output Data Bit 7 (DB7)/Serial Interface Data Output Pin (DOUTA). When PAR/SER SEL = 0, this
pins acts as a three-state parallel digital input/output pin. When CS and RD are low, this pin is used to
output DB9 of the conversion result. When PAR/SER SEL = 1, this pin functions as DOUTA and outputs
serial conversion data. See the Conversion Control section for further details.
25
DO
DB8/DOUTB
Parallel Output Data Bit 8 (DB8)/Serial Interface Data Output Pin (DOUTB). When PAR/SER SEL = 0, this
pins acts as a three-state parallel digital input/output pin. When CS and RD are low, this pin is used to
output DB10 of the conversion result. When PAR/SER SEL = 1, this pin functions as DOUTB and outputs
serial conversion data. See the Conversion Control section for further details.
22 to 16
DO
DB[6:0]
Parallel Output Data Bits, Data Bit 6 to Data Bit 0. When PAR/SER SEL = 0, these pins act as three-state
parallel digital input/output pins. When CS and RD are low, these pins are used to output DB8 to DB2
of the conversion result during the first RD pulse and output 0 during the second RD pulse. When
PAR/SER SEL = 1, these pins should be tied to AGND.
1
Refers to classification of pin type; P denotes power, AI denotes analog input, REF denotes reference, DI denotes digital input, DO denotes digital output.
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