* SPICE netlist
XU1 N008 N006 +12V N003 out ADTL082 ;pnba In+)In-)V+)V-)OUT
V2 P001 N002 -10
R6 N002 0 0.1
R1 vbat 0 10
R2 out 0 1k
V3 +12V 0 12
V4 P002 P003 30
V5 N001 0 2.5
R3 P003 0 0.5
R4 vbat P002 1Meg
R5 vbat P001 0.5
R10 out N006 10k
R11 N001 vref 10k
R12 vref 0 1k
XU2 N002 N005 +12V N003 N004 ADTL082 ;pnba In+)In-)V+)V-)OUT
XU3 N009 N007 +12V N003 N010 ADTL082 ;pnba In+)In-)V+)V-)OUT
R7 N005 N007 10k
R8 N004 N005 10k
R13 N010 N007 10k
R14 N008 N010 10k
R15 0 N008 10k
R16 N006 N004 10k
V1 N003 0 -5
V6 N009 0 500m
.tran 0 3m 0 200n

* LTspice schematic (.asc)
Version 4
SHEET 1 1744 1056
WIRE -8 -512 -152 -512
WIRE -152 -416 -152 -432
WIRE -152 -416 -264 -416
WIRE -8 -416 -8 -512
WIRE 152 -416 152 -528
WIRE -152 -400 -152 -416
WIRE -104 0 -280 0
WIRE 40 0 -40 0
WIRE -104 16 -104 0
WIRE -72 16 -104 16
WIRE 120 32 -8 32
WIRE -72 48 -104 48
WIRE 88 64 88 0
WIRE 88 64 -40 64
WIRE -536 80 -856 80
WIRE -104 112 -104 48
WIRE 8 112 -104 112
WIRE 120 112 120 32
WIRE 120 112 88 112
WIRE 136 112 120 112
WIRE 248 112 216 112
WIRE 360 112 248 112
WIRE 504 112 440 112
WIRE 872 112 872 64
WIRE -104 128 -104 112
WIRE 312 192 312 64
WIRE 248 208 248 112
WIRE 280 208 248 208
WIRE -104 224 -104 208
WIRE 8 224 -104 224
WIRE 392 224 344 224
WIRE 504 224 504 112
WIRE 504 224 392 224
WIRE 280 240 248 240
WIRE -856 256 -856 240
WIRE -280 256 -280 0
WIRE -280 256 -856 256
WIRE -856 272 -856 256
WIRE 504 272 504 224
WIRE -104 288 -104 224
WIRE -72 288 -104 288
WIRE -72 320 -248 320
WIRE -8 320 -8 304
WIRE 88 320 88 224
WIRE 88 320 -8 320
WIRE 184 320 168 320
WIRE 248 320 248 240
WIRE 248 320 184 320
WIRE -536 336 -536 80
WIRE -856 384 -856 352
WIRE 184 384 184 320
WIRE -40 400 -40 336
WIRE 40 400 40 0
WIRE 40 400 -40 400
WIRE 312 400 312 256
WIRE 312 400 40 400
WIRE 40 448 40 400
FLAG -856 384 0
FLAG 504 352 0
FLAG 152 -336 0
FLAG 392 224 out
FLAG -680 224 gnd_clean
FLAG -8 -336 0
FLAG -264 -416 vref
FLAG 872 352 0
FLAG 152 -528 +12V
FLAG 312 64 +12V
FLAG -536 416 0
FLAG -536 80 vbat
FLAG 872 64 vbat
FLAG -152 -320 0
FLAG -40 272 +12V
FLAG 88 0 +12V
FLAG 184 464 0
FLAG 40 528 0
FLAG -248 400 0
SYMBOL OpAmps\\ADTL082 312 160 R0
SYMATTR InstName U1
SYMBOL voltage -856 144 R0
SYMATTR InstName V2
SYMATTR Value -10
SYMBOL res -872 256 R0
SYMATTR InstName R6
SYMATTR Value 0.1
SYMBOL res -552 320 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res 488 256 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage 152 -432 R0
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL voltage 872 176 R0
SYMATTR InstName V4
SYMATTR Value 30
SYMBOL voltage -8 -432 R0
SYMATTR InstName V5
SYMATTR Value 2.5
SYMBOL res 856 256 R0
SYMATTR InstName R3
SYMATTR Value 0.5
SYMBOL res 856 96 R0
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL res -872 64 R0
SYMATTR InstName R5
SYMATTR Value 0.5
SYMBOL res 456 96 R90
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL res -168 -528 R0
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL res -168 -416 R0
SYMATTR InstName R12
SYMATTR Value 1k
SYMBOL OpAmps\\ADTL082 -40 96 M180
SYMATTR InstName U2
SYMBOL OpAmps\\ADTL082 -40 240 R0
SYMATTR InstName U3
SYMBOL res -120 112 R0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 104 96 R90
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 104 208 R90
SYMATTR InstName R13
SYMATTR Value 10k
SYMBOL res 184 304 R90
SYMATTR InstName R14
SYMATTR Value 10k
SYMBOL res 200 480 R180
SYMATTR InstName R15
SYMATTR Value 10k
SYMBOL res 232 96 R90
SYMATTR InstName R16
SYMATTR Value 10k
SYMBOL voltage 40 432 R0
SYMATTR InstName V1
SYMATTR Value -5
SYMBOL voltage -248 304 R0
SYMATTR InstName V6
SYMATTR Value 500m