We have a board with 4 AD5570 DACs. They share the same control lines, except for SDIN. All four DACs are loaded and updated synchronously. The control is implemented in an FPGA.
On each update cycle, the output of the DACs produces a glitch of about…
推荐AD5570， 16bit，SPI, +-15V供电。
Can multiple AD5660 devices be updated simultaneously?
No, this is not possible with AD5660, You should use AD5542 or AD5570 as these devices have /LDAC pin to achieve this.
So your requirement is a single channel bi-polar with +/-10V span and an LSB of 0.1mV.
20V / 0.1mV = 20k codes at a min. 64k codes is a 16 bit DAC.
The AD5570 will meet your needs. The newer AD5760 will also meet your requirements.