XWM2152CDT/V 查看數據表（PDF） - Wolfson Microelectronics plc

零件编号

产品描述 (功能)

生产厂家

XWM2152CDT/V

12-bit, 30MSPS ADC

Wolfson Microelectronics plc 

WM2152

Product Preview

USER TIPS FOR OBTAINING BEST PERFORMANCE FROM THE WM2152

• Drive the clock input CLK from a low-jitter, fast logic stage, with a well-decoupled

power supply and short PCB traces.

• Minimise capacitive loads on the digital outputs, to minimise on-chip current spikes.

• Use separately decoupled ground planes for digital and analog supplies and for

AVDD1,AVDD2. and route any digital return currents away from sensitive analog

nodes.

• Keep all decoupling capacitors as close as possible to the respective supply or

reference pins.

• Solder the device directly to the PCB: socketing the device will introduce extra parasitic

inductance and degrade decoupling

• Small series resistors and shunt capacitors on the analog inputs will help pre-filter high-

frequency noise and prevent it being aliased down by the sample-hold. These may also

help the preceding amplifier to drive into the switched-capacitior inputs of the WM2152.

An Evaluation Kit WM2152-EV1B is available for this part, consisting of an evaluation board

and manual.

PP Rev 1.2 August 2001

11

Share Link: