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参数资料
| 型号： | AD7609BSTZ-RL |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | ADC |
| 英文描述： | 8-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP64 |
| 封装： | ROHS COMPLIANT, MS-026BCD, LQFP-64 |
| 文件页数： | 6/35页 |
| 文件大小： | 1737K |
| 代理商： | AD7609BSTZ-RL |
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AD7609
Preliminary Technical Data
Rev. PrD | Page 14 of 35
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 while OS 0 is the LSB control bit. See the Digital Filter section for further details on
the oversampling mode of operation and Table 9 for oversampling bit decoding.
33
DO/DI
DB15
Parallel Output Data Bits, Data Bit15. 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 Bit14. 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 DB 16 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 Bit13 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 zero 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
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
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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