* SPICE netlist
XU1 N006 N003 VCC 0 N004 LTC6244 ;pnba IN+)IN-)VCC)VEE)OUT
V1 VCC 0 10
V2 N006 0 2.5
V3 N005 0 SINE(0 1 200) AC 1
R1 N003 N005 10k
R2 N004 N003 10k
XU2 N007 N001 VCC 0 N002 LTC6244 ;pnba IN+)IN-)VCC)VEE)OUT
R3 N002 N001 7.5k
R4 N001 N004 7.5k
C1 N002 N001 10n
V4 N007 0 5
XU5 N002 N010 VCC 0 N008 LTC6244 ;pnba IN+)IN-)VCC)VEE)OUT
R5 N014 N013 5k
R6 N015 N013 27k
R7 N010 N015 6k
C2 N010 N014 10n
R8 N011 N012 10k
R9 N012 0 10k
V5 N011 0 10
XU3 N015 N012 N011 0 N013 LTC6244 ;pnba IN+)IN-)VCC)VEE)OUT
XU4 N012 N014 N011 0 N010 LTC6244 ;pnba IN+)IN-)VCC)VEE)OUT
C3 N009 0 10n
R10 N009 N008 7.5k
.tran 0 10m 0 0.01m

* LTspice schematic (.asc)
Version 4
SHEET 1 1504 944
WIRE 0 -456 -64 -456
WIRE 112 -456 64 -456
WIRE -416 -360 -432 -360
WIRE -240 -360 -336 -360
WIRE -64 -360 -64 -456
WIRE 0 -360 -64 -360
WIRE 112 -360 112 -456
WIRE 112 -360 80 -360
WIRE -656 -248 -752 -248
WIRE -432 -248 -432 -360
WIRE -432 -248 -576 -248
WIRE -336 -248 -432 -248
WIRE -240 -232 -240 -360
WIRE -240 -232 -272 -232
WIRE -176 -232 -240 -232
WIRE -64 -232 -64 -360
WIRE -64 -232 -96 -232
WIRE 0 -232 -64 -232
WIRE -336 -216 -512 -216
WIRE 112 -216 112 -360
WIRE 112 -216 64 -216
WIRE 320 -216 112 -216
WIRE 0 -200 -64 -200
WIRE -752 -184 -752 -248
WIRE -512 -184 -512 -216
WIRE -64 -136 -64 -200
WIRE 320 -136 320 -216
WIRE 416 -136 320 -136
WIRE 592 -120 480 -120
WIRE 752 -120 672 -120
WIRE 416 -104 320 -104
WIRE 752 -104 752 -120
WIRE -384 40 -512 40
WIRE -192 40 -384 40
WIRE 112 40 -192 40
WIRE -512 88 -512 40
WIRE -384 88 -384 40
WIRE -192 168 -192 40
WIRE -384 184 -384 168
WIRE -320 184 -384 184
WIRE -224 184 -320 184
WIRE -384 200 -384 184
WIRE -144 200 -160 200
WIRE -96 200 -144 200
WIRE 16 200 -16 200
WIRE 64 200 16 200
WIRE 192 200 128 200
WIRE -224 216 -272 216
WIRE -192 248 -192 232
WIRE -144 264 -144 200
WIRE 112 264 112 40
WIRE 16 280 16 200
WIRE 80 280 16 280
WIRE 192 296 192 200
WIRE 192 296 144 296
WIRE 320 296 320 -104
WIRE 320 296 192 296
WIRE 80 312 16 312
WIRE -512 328 -512 168
WIRE -384 328 -384 280
WIRE 112 344 112 328
WIRE -272 360 -272 216
WIRE -144 360 -144 344
WIRE -144 360 -272 360
WIRE -272 408 -272 360
WIRE -96 408 -272 408
WIRE 192 408 192 296
WIRE 192 408 -16 408
WIRE -320 472 -320 184
WIRE 16 472 16 312
WIRE 16 472 -320 472
FLAG -304 -200 0
FLAG -752 -312 0
FLAG -752 -104 0
FLAG -512 -104 0
FLAG -752 -392 VCC
IOPIN -80 16 Out
FLAG -304 -264 VCC
IOPIN 368 144 In
FLAG 32 -184 0
FLAG 32 -248 VCC
IOPIN 704 160 In
FLAG -64 -56 0
FLAG 448 -88 VCC
IOPIN 1120 320 In
FLAG 448 -152 0
FLAG -384 328 0
FLAG -192 248 0
FLAG 112 344 0
FLAG -512 328 0
FLAG 752 -40 0
SYMBOL Opamps\\LTC6244 -304 -232 R0
SYMATTR InstName U1
SYMBOL voltage -752 -408 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage -512 -200 R0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL voltage -752 -200 R0
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value SINE(0 1 200)
SYMBOL res -560 -264 R90
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -320 -376 R90
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL Opamps\\LTC6244 32 -216 R0
SYMATTR InstName U2
SYMBOL res 96 -376 R90
SYMATTR InstName R3
SYMATTR Value 7.5k
SYMBOL res -80 -248 R90
SYMATTR InstName R4
SYMATTR Value 7.5k
SYMBOL cap 64 -472 R90
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL voltage -64 -152 R0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL Opamps\\LTC6244 448 -120 M180
SYMATTR InstName U5
SYMBOL res 0 184 R90
SYMATTR InstName R5
SYMATTR Value 5k
SYMBOL res -128 360 R180
SYMATTR InstName R6
SYMATTR Value 27k
SYMBOL res 0 392 R90
SYMATTR InstName R7
SYMATTR Value 6k
SYMBOL cap 128 184 R90
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res -400 72 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res -400 184 R0
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL voltage -512 72 R0
SYMATTR InstName V5
SYMATTR Value 10
SYMBOL OpAmps\\LTC6244 -192 200 R0
SYMATTR InstName U3
SYMBOL OpAmps\\LTC6244 112 296 R0
SYMATTR InstName U4
SYMBOL cap 736 -104 R0
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL res 688 -136 R90
SYMATTR InstName R10
SYMATTR Value 7.5k