参数资料
型号: EVAL-AD7986EBZ
厂商: Analog Devices Inc
文件页数: 27/28页
文件大小: 0K
描述: BOARD EVAL FOR AD7986
产品培训模块: Motor Control
标准包装: 1
系列: PulSAR®
ADC 的数量: 1
位数: 18
采样率(每秒): 2M
数据接口: 串行
输入范围: ±VREF
在以下条件下的电源(标准): 29mW @ 2MSPS
工作温度: -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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