diff --git a/library/analog_switches.dcm b/library/analog_switches.dcm
index 0adfccff..78150126 100644
--- a/library/analog_switches.dcm
+++ b/library/analog_switches.dcm
@@ -1,5 +1,11 @@
 EESchema-DOCLIB  Version 2.0
 #
+$CMP ADG729
+D Dual 4-to-1 CMOS Low Voltage 2-Wire Serially Controlled, Matrix Switches
+K analog switch selector multiplexer TWI I2C IIC 4-to-1
+F http://www.analog.com/media/en/technical-documentation/data-sheets/ADG728_729.pdf
+$ENDCMP
+#
 $CMP CPC1017N
 D opto mos
 K SWITCH OPTO
@@ -73,7 +79,7 @@ F opto/lcc110.pdf
 $ENDCMP
 #
 $CMP NC7SB3157
-D Low-Voltage SPDT Analog Switch or 2:1Multiplexer 
+D Low-Voltage SPDT Analog Switch or 2:1Multiplexer
 K SWITCH
 F https://www.fairchildsemi.com/datasheets/NC/NC7SB3157.pdf
 $ENDCMP
diff --git a/library/analog_switches.lib b/library/analog_switches.lib
index 2c2db962..07751c8c 100644
--- a/library/analog_switches.lib
+++ b/library/analog_switches.lib
@@ -3,29 +3,98 @@ EESchema-LIBRARY Version 2.3
 #
 # ADG729
 #
-DEF ADG729 U 0 30 Y Y 1 F N
-F0 "U" 0 750 50 H V C CNN
-F1 "ADG729" 0 -750 50 H V C CNN
-F2 "" 0 0 60 H I C CNN
-F3 "" 0 0 60 H I C CNN
+DEF ADG729 U 0 10 Y Y 1 F N
+F0 "U" -200 750 50 H V C CNN
+F1 "ADG729" 50 750 50 H V L CNN
+F2 "Housings_SSOP:TSSOP-16_4.4x5mm_Pitch0.65mm" 50 -950 60 H I L CNN
+F3 "" 10 0 60 H I C CNN
+$FPLIST
+ TSSOP*4.4x5mm*Pitch0.65mm*
+$ENDFPLIST
 DRAW
-S -250 700 250 -700 0 1 0 N
-X SCL 1 -550 600 300 R 50 50 1 1 B
-X A1 2 -550 250 300 R 50 50 1 1 I
-X SDA 3 -550 500 300 R 50 50 1 1 B
-X S1A 4 -550 100 300 R 50 50 1 1 B
-X S2A 5 -550 0 300 R 50 50 1 1 B
-X S3A 6 -550 -100 300 R 50 50 1 1 B
-X S4A 7 -550 -200 300 R 50 50 1 1 B
-X DA 8 550 -50 300 L 50 50 1 1 B
-X DB 9 550 -500 300 L 50 50 1 1 B
-X S4B 10 -550 -650 300 R 50 50 1 1 B
-X S3B 11 -550 -550 300 R 50 50 1 1 B
-X S2B 12 -550 -450 300 R 50 50 1 1 B
-X S1B 13 -550 -350 300 R 50 50 1 1 B
-X VDD 14 550 600 300 L 50 50 1 1 W
-X VSS 15 550 250 300 L 50 50 1 1 W
-X A0 16 -550 350 300 R 50 50 1 1 I
+C -40 -650 20 0 1 10 N
+C -40 -550 20 0 1 10 N
+C -40 -450 20 0 1 10 N
+C -40 -350 20 0 1 10 N
+C -40 -200 20 0 1 10 N
+C -40 -100 20 0 1 10 N
+C -40 0 20 0 1 10 N
+C -40 100 20 0 1 10 N
+C 60 -650 20 0 1 10 N
+C 60 -550 20 0 1 10 N
+C 60 -450 20 0 1 10 N
+C 60 -350 20 0 1 10 N
+C 60 -200 20 0 1 10 N
+C 60 -100 20 0 1 10 N
+C 60 0 20 0 1 10 N
+C 60 100 20 0 1 10 N
+S -250 250 -50 650 0 1 10 N
+S -250 700 250 -900 0 1 10 f
+P 2 0 1 10 -60 -650 -90 -650 N
+P 2 0 1 10 -60 -550 -90 -550 N
+P 2 0 1 10 -60 -450 -90 -450 N
+P 2 0 1 10 -60 -350 -90 -350 N
+P 2 0 1 10 -60 -200 -90 -200 N
+P 2 0 1 10 -60 -100 -90 -100 N
+P 2 0 1 10 -60 0 -90 0 N
+P 2 0 1 10 -60 100 -90 100 N
+P 2 0 1 10 -50 -610 70 -610 N
+P 2 0 1 10 -50 -510 70 -510 N
+P 2 0 1 10 -50 -410 70 -410 N
+P 2 0 1 10 -50 -310 70 -310 N
+P 2 0 1 10 -50 -160 70 -160 N
+P 2 0 1 10 -50 -60 70 -60 N
+P 2 0 1 10 -50 40 70 40 N
+P 2 0 1 10 -50 140 70 140 N
+P 2 0 1 10 -50 450 -25 450 N
+P 2 0 1 10 10 -610 10 -585 N
+P 2 0 1 10 10 -560 10 -535 N
+P 2 0 1 10 10 -510 10 -485 N
+P 2 0 1 10 10 -460 10 -435 N
+P 2 0 1 10 10 -410 10 -385 N
+P 2 0 1 10 10 -360 10 -335 N
+P 2 0 1 10 10 -310 10 -285 N
+P 2 0 1 10 10 -260 10 -235 N
+P 2 0 1 10 10 -210 10 -185 N
+P 2 0 1 10 10 -150 10 -125 N
+P 2 0 1 10 10 -100 10 -75 N
+P 2 0 1 10 10 -50 10 -25 N
+P 2 0 1 10 10 0 10 25 N
+P 2 0 1 10 10 50 10 75 N
+P 2 0 1 10 10 100 10 125 N
+P 2 0 1 10 10 150 10 175 N
+P 2 0 1 10 10 200 10 225 N
+P 2 0 1 10 10 250 10 275 N
+P 2 0 1 10 10 300 10 325 N
+P 2 0 1 10 10 350 10 375 N
+P 2 0 1 10 10 400 10 430 N
+P 2 0 1 10 10 450 0 450 N
+P 2 0 1 10 80 -550 100 -550 N
+P 2 0 1 10 80 -450 100 -450 N
+P 2 0 1 10 80 -100 100 -100 N
+P 2 0 1 10 80 0 100 0 N
+P 2 0 1 10 120 -500 140 -500 N
+P 2 0 1 10 120 -50 140 -50 N
+P 4 0 1 10 80 -650 100 -650 100 -500 120 -500 N
+P 4 0 1 10 80 -350 100 -350 100 -500 120 -500 N
+P 4 0 1 10 80 -200 100 -200 100 -50 120 -50 N
+P 4 0 1 10 80 100 100 100 100 -50 120 -50 N
+X SCL 1 -350 600 100 R 50 50 1 1 I
+X A1 2 -350 300 100 R 50 50 1 1 I
+X SDA 3 -350 500 100 R 50 50 1 1 B
+X S1A 4 -350 100 100 R 50 50 1 1 B
+X S2A 5 -350 0 100 R 50 50 1 1 B
+X S3A 6 -350 -100 100 R 50 50 1 1 B
+X S4A 7 -350 -200 100 R 50 50 1 1 B
+X DA 8 350 -50 100 L 50 50 1 1 B
+X DB 9 350 -500 100 L 50 50 1 1 B
+X S4B 10 -350 -650 100 R 50 50 1 1 B
+X S3B 11 -350 -550 100 R 50 50 1 1 B
+X S2B 12 -350 -450 100 R 50 50 1 1 B
+X S1B 13 -350 -350 100 R 50 50 1 1 B
+X VDD 14 0 800 100 D 50 50 1 1 W
+X VSS 15 0 -1000 100 U 50 50 1 1 W
+X A0 16 -350 400 100 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
@@ -330,8 +399,8 @@ F2 "" 0 0 60 H I C CNN
 F3 "" 0 0 60 H I C CNN
 DRAW
 T 0 70 130 20 0 0 0 Norm~OFF Normal 0 C C
-P 5 0 0 0 130 -70 130 -30 100 -50 130 -70 130 -70 F
 S -200 150 200 -150 0 1 0 N
+P 5 0 0 0 130 -70 130 -30 100 -50 130 -70 130 -70 F
 P 3 0 1 0 -40 -40 -120 -40 -120 -40 N
 P 3 0 1 0 50 100 50 -100 50 -100 N
 P 3 0 1 0 100 -100 200 -100 200 -100 N
@@ -371,8 +440,8 @@ F2 "" 0 0 60 H I C CNN
 F3 "" 0 0 60 H I C CNN
 DRAW
 T 0 70 130 20 0 0 0 Norm~ON Normal 0 C C
-P 5 0 0 0 130 -70 130 -30 100 -50 130 -70 130 -70 F
 S -200 150 200 -150 0 1 0 N
+P 5 0 0 0 130 -70 130 -30 100 -50 130 -70 130 -70 F
 P 3 0 1 0 -40 -40 -120 -40 -120 -40 N
 P 3 0 1 0 50 100 50 -100 50 -100 N
 P 3 0 1 0 100 -100 200 -100 200 -100 N