參數(shù)資料
型號： AD7606BSTZ-4
廠商： Analog Devices Inc
文件頁數(shù)： 7/36頁
文件大?。?/td> 0K
描述： IC DAS W/ADC 16BIT 4CH 64LQFP
設(shè)計資源： Layout Considerations for an Expandable Multichannel Simultaneous Sampling Data Acquisition System Based on AD7606 (CN0148)
標(biāo)準(zhǔn)包裝： 1
類型： 數(shù)據(jù)采集系統(tǒng)（DAS），ADC
分辨率（位）： 16 b
采樣率（每秒）： 200k
數(shù)據(jù)接口： DSP，MICROWIRE?，并聯(lián)，QSPI?，串行，SPI?
電壓電源： 模擬和數(shù)字
電源電壓： 2.3 V ~ 5.25 V，4.75 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 64-LQFP
供應(yīng)商設(shè)備封裝： 64-LQFP（10x10）
包裝： 托盤
Data Sheet
AD7606/AD7606-6/AD7606-4
Rev. C | Page 15 of 36
Pin No.
Type1
Mnemonic
Description
AD7606
AD7606-6
AD7606-4
22 to 16
DO
DB[6:0]
Parallel Output Data Bits, DB6 to DB0. When PAR/SER/BYTE 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 DB6 to DB0 of the conversion result.
When PAR/SER/BYTE SEL = 1, these pins should be tied to AGND. When
operating in parallel byte interface mode, DB[7:0] outputs the 16-bit con-
version result in two RD operations. DB7 (Pin 24) is the MSB; DB0 is the LSB.
23
P
VDRIVE
Logic Power Supply Input. The voltage (2.3 V to 5.25 V) supplied at this pin
determines the operating voltage of the interface. This pin is nominally at the
same supply as the supply of the host interface (that is, DSP and FPGA).
24
DO
DB7/DOUTA
Parallel Output Data Bit 7 (DB7)/Serial Interface Data Output Pin (DOUTA).
When PAR/SER/BYTE 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 DB7
of the conversion result. When PAR/SER/BYTE SEL = 1, this pin functions
as DOUTA and outputs serial conversion data (see the Conversion Control
section for more details). When operating in parallel byte mode, DB7 is
the MSB of the byte.
25
DO
DB8/DOUTB
Parallel Output Data Bit 8 (DB8)/Serial Interface Data Output Pin (DOUTB).
When PAR/SER/BYTE SEL = 0, this pin acts as a three-state parallel digital
input/output pin. When CS and RD are low, this pin is used to output
DB8 of the conversion result. When PAR/SER/BYTE SEL = 1, this pin functions
as DOUTB and outputs serial conversion data (see the Conversion Control
section for more details).
31 to 27
DO
DB[13:9]
Parallel Output Data Bits, DB13 to DB9. When PAR/SER/BYTE 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 DB13 to DB9 of the conversion result.
When PAR/SER/BYTE SEL = 1, these pins should be tied to AGND.
32
DO/DI
DB14/
HBEN
DB14/
HBEN
DB14/
HBEN
Parallel Output Data Bit 14 (DB14)/High Byte Enable (HBEN). When PAR/
SER/BYTE SEL = 0, this pin acts as a three-state parallel digital output pin.
When CS and RD are low, this pin is used to output DB14 of the conversion
result. When PAR/SER/BYTE SEL = 1 and DB15/BYTE SEL = 1, the AD7606/
AD7606-6/AD7606-4 operate in parallel byte interface mode. In parallel
byte mode, the HBEN pin is used to select whether the most significant byte
(MSB) or the least significant byte (LSB) of the conversion result is output first.
When HBEN = 1, the MSB is output first, followed by the LSB.
When HBEN = 0, the LSB is output first, followed by the MSB.
In serial mode, this pin should be tied to GND.
33
DO/DI
DB15/
BYTE SEL
DB15/
BYTE SEL
DB15/
BYTE SEL
Parallel Output Data Bit 15 (DB15)/Parallel Byte Mode Select (BYTE SEL).
When PAR/SER/BYTE SEL = 0, this pin acts as a three-state parallel digital
output pin. When CS and RD are low, this pin is used to output DB15 of the
conversion result. When PAR/SER/BYTE SEL = 1, the BYTE SEL pin is used to
select between serial interface mode and parallel byte interface mode
(see Table 8). When PAR/SER/BYTE SEL = 1 and DB15/BYTE SEL = 0, the
AD7606 operates in serial interface mode. When PAR/SER/BYTE SEL = 1
and DB15/BYTE SEL = 1, the AD7606 operates in parallel byte interface mode.
34
DI
REF SELECT
Internal/External Reference Selection Input. Logic input. If this pin is set to
logic high, the internal reference is selected and enabled. If this pin is set to
logic low, the internal reference is disabled and an external reference
voltage must be applied to the REFIN/REFOUT pin.
36, 39
P
REGCAP
Decoupling Capacitor Pin for Voltage Output from Internal Regulator.
These output pins should be decoupled separately to AGND using a 1 μF
capacitor. The voltage on these pins is in the range of 2.5 V to 2.7 V.
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