參數(shù)資料
型號: AD7367BRUZ-RL7
廠商: Analog Devices Inc
文件頁數(shù): 3/29頁
文件大小: 0K
描述: IC ADC 14BIT SAR 1MSPS 24TSSOP
設(shè)計資源: Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042)
標準包裝: 1,000
位數(shù): 14
采樣率(每秒): 1M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 88.8mW
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個單端,單極;4 個單端,雙極
AD7366/AD7367
Rev. D | Page 10 of 28
Pin No.
Mnemonic
Description
18
REFSEL
Internal/External Reference Selection, Logic Input. If this pin is tied to logic high, the on-chip 2.5 V reference is
used as the reference source for both ADC A and ADC B. In addition, Pin D
CAPA and Pin DCAPB must be tied to
decoupling capacitors. If the REFSEL pin is tied to GND, an external reference can be supplied to the AD7366/
AD7367 through the D
CAPA pin, the DCAPB pin, or both pins.
19
CS
Chip Select, Active Low Logic Input. This input frames the serial data transfer. When CS is logic low, the output
bus is enabled and the conversion result is output on D
OUTA and DOUTB.
20
SCLK
Serial Clock, Logic Input. A serial clock input provides the SCLK for accessing the data from the AD7366/AD7367.
21
CNVST
Conversion Start, Logic Input. This pin is edge triggered. On the falling edge of this input, the track/hold goes
into hold mode and the conversion is initiated. If CNVST is low at the end of a conversion, the part goes into
power-down mode. In this case, the rising edge of CNVST instructs the part to power up again.
22
BUSY
Busy Output. BUSY transitions high when a conversion is started and remains high until the conversion
is complete.
24
DGND
Digital Ground. Ground reference point for all digital circuitry on the AD7366/AD7367. The DGND pin should
connect to the DGND plane of a system. The DGND and AGND voltages should ideally be at the same potential
and must not be more than 0.3 V apart, even on a transient basis.
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