www.vishay.com 15 model TXXS vishay techno document number 68010 revision 21-dec-99 single-in-line, coated, 4 bits to 8 bits r/2r ladder networks applications r/2r ladder networks for d/a and a/d converter with bi-polar or cmos switches. electrical specifications ladder network accuracy on linearity: 1/2 lsb. ladder network resistance tolerance: 2%. temperature coefficient of resistance: 100ppm/ c. operating temperature range: - 55 c to + 125 c. power dissipation rating at + 70 c ambient: 50mw/element. standard resistance values (r): 5 kilohms, 10 kilohms, 25 kilohms, 50 kilohms and 100 kilohms. dimensional configurations [numbers in brackets indicate millimeters] how to order number a b c of pins (max.) .005 [.127] (max.) first two digits are significant, third digit signifies number of zeros to follow. example: 104 = r = 100 kilohms. reference: 2r = 200 kilohms. 104 resistance value (ohms) t06s = 6 pin sip t07s = 7 pin sip t08s = 8 pin sip t09s = 9 pin sip t10s = 10 pin sip t10s model 6 pin = 4 bits 7 pin = 5 bits 8 pin = 6 bits 9 pin = 7 bits 10 pin = 8 bits 08 number of bits schematic n bits: n = 4 thru 8 2r 2r 2r 2r 2r 2r 2r 1 2 3 4 n-1 n n + 1 n + 2 grd bn bn-1 bn-2 b3 b2 b1 out (lsb) (msb) r r r r r r 6 .590 .500 .350 [14.99] [12.70] [8.89] 7 690 .600 .350 [17.53] [15.24] [8.89] 8 .790 .700 .350 [20.07] [17.78] [8.89] 9 .890 .800 .350 [22.61] [20.32] [8.89] 10 .990 .900 .350 [25.15] [22.86] [8.89] c pin #1 identifier a .100 .005 [2.54 .127] non-cumulative b .020 .002 [.508 .051] .100 [2.54] max. .010 .002 [.254 .051] seating plane .140 .020 [3.56 .508]
|
