View mx7528s datasheet:

SCOPE: CMOS, BUFFERED, MULTIPLYING 8-BIT D/A CONVERTER Device Type Generic Number Circuit Function 01 MX7528S(x)/883B DAC with ±4 LSB 02 MX7528T(x)/883B DAC with ±2 LSB 03 MX7528U(x)/883B DAC with ±1 LSB Case Outline(s). The case outlines shall be designated in Mil-Std-1835 and as follows: Outline Letter Mil-Std-1835 Case Outline Package Code MAXIM SMD Q R GDIP1-T20 or CDIP2-T20 20 LEAD CERDIP J20 Absolute Maximum Ratings: VDD to AGND ..........................................................................................………... 0V, + 17V VDD to DGND ...........................................................................................……….. 0V, + 17V VRFBA, VRFBB to DGND .......................................................................................………. ±25V