參數(shù)資料
型號: EVAL-AD7986EBZ
廠商: Analog Devices Inc
文件頁數(shù): 27/28頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7986
產(chǎn)品培訓模塊: Motor Control
標準包裝: 1
系列: PulSAR®
ADC 的數(shù)量: 1
位數(shù): 18
采樣率(每秒): 2M
數(shù)據(jù)接口: 串行
輸入范圍: ±VREF
在以下條件下的電源(標準): 29mW @ 2MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD7986
已供物品:
AD7986
Rev. B | Page 8 of 28
Pin No.
Mnemonic
Type1
Description
16
AVDD
P
Input Analog Power. Nominally at 2.5 V.
17,18
AGND
P
Analog Power Ground.
19
BVDD
P
Reference buffer power. Nominally 5.0 V.
If an external reference buffer is used to achieve the maximum SNR performance with 5 V reference,
the reference buffer must be powered down by connecting the REFIN pin to ground. The external
reference buffer must be connected to the BVDD pin.
20
REFIN
AI/O
Internal Reference Output/Reference Buffer Input.
When PDREF = low, the internal band gap reference produces a 1.2 V (typical) voltage on this pin,
which needs external decoupling (0.1 F typical).
When PDREF = high, use an external reference to provide a 1.2 V (typical) to this pin.
When PDREF = high, and REFIN = low, the on-chip reference buffer and band gap are powered down.
An external reference must be connected to REF and BVDD.
21 (EPAD)
Exposed Pad
EP
The exposed pad is not connected internally. For increased reliability of the solder joints, it is
recommended that the pad be soldered to the system ground plane.
1 AI = analog input, AI/O = bidirectional analog; DI = digital input, DO = digital output, and P = power.
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