* SPICE netlist
XU1 N006 N007 N002 0 N008 TLV247xA ;pnba In+)In-)V+)V-)OUT
R1 N006 N005 10k
V3 N004 0 PULSE(0 48 0.0001 0 0 0.00025 0.0005)
R5 N004 N005 135k
R6 N005 0 10k
D1 N005 N002 BAT54
V4 N002 0 3.3v
XU2 N013 N011 N002 0 N011 TLV247xA ;pnba In+)In-)V+)V-)OUT
R2 N002 N013 10k
R3 N013 0 10k
R7 N007 N008 5k
R8 N007 0 10k
R4 N006 N011 10k
XU4 N012 N009 N002 0 N010 TLV247xA ;pnba In+)In-)V+)V-)OUT
R9 N009 N010 5k
R10 N009 0 10k
V1 N003 0 PULSE(0 48 0 0 0 0.00025 0.0005)
R11 N003 N001 135k
R12 N001 0 10k
R13 N012 N001 10k
R14 N011 N012 10k
.subckt TLV247xA 1 2 3 4 5
c1 11 12 1.1094E-12
c2 6 7 5.5000E-12
css 10 99 556.53E-15
dc 5 53 dy
de 54 5 dy
dlp 90 91 dx
dln 92 90 dx
dp 4 3 dx
egnd 99 0 poly(2) (3,0) (4,0) 0 .5 .5
fb 7 99 poly(5) vb vc ve vlp vln 0 39.614E6 -1E3 1E3 40E6 -40E6
ga 6 0 11 12 79.828E-6
gcm 0 6 10 99 32.483E-9
iss 10 4 dc 10.714E-6
hlim 90 0 vlim 1K
ioff 0 6 dc 75E-9
j1 11 2 10 jx1
j2 12 1 10 jx2
r2 6 9 100.00E3
rd1 3 11 12.527E3
rd2 3 12 12.527E3
ro1 8 5 10
ro2 7 99 10
rp 3 4 3.8023E3
rss 10 99 18.667E6
vb 9 0 dc 0
vc 3 53 dc .842
ve 54 4 dc .842
vlim 7 8 dc 0
vlp 91 0 dc 110
vln 0 92 dc 110
.tran 0.01

* LTspice schematic (.asc)
Version 4
SHEET 1 1504 544
WIRE 496 -272 -480 -272
WIRE -128 -240 -192 -240
WIRE -80 -240 -128 -240
WIRE -80 -224 -80 -240
WIRE 288 -176 80 -176
WIRE 592 -176 288 -176
WIRE -576 -160 -752 -160
WIRE -288 -160 -448 -160
WIRE 496 -144 496 -272
WIRE -576 -128 -576 -160
WIRE -288 -128 -288 -160
WIRE -192 -128 -192 -240
WIRE 80 -128 80 -176
WIRE 80 -128 -32 -128
WIRE -128 -80 -128 -240
WIRE -64 -80 -128 -80
WIRE -32 -80 -32 -128
WIRE -32 -80 -64 -80
WIRE 64 -48 -32 -48
WIRE 176 -48 144 -48
WIRE 288 -48 288 -176
WIRE -576 -32 -576 -48
WIRE -480 -32 -480 -272
WIRE -480 -32 -576 -32
WIRE -288 -32 -288 -48
WIRE -192 -32 -192 -64
WIRE -192 -32 -288 -32
WIRE -32 -32 -32 -48
WIRE -32 -32 -192 -32
WIRE 256 -32 224 -32
WIRE 592 -32 592 -176
WIRE -576 -16 -576 -32
WIRE -288 -16 -288 -32
WIRE -128 -16 -128 -80
WIRE 448 -16 320 -16
WIRE 560 -16 528 -16
WIRE -192 0 -192 -32
WIRE -64 0 -64 -80
WIRE -32 0 -64 0
WIRE 176 0 176 -48
WIRE 256 0 176 0
WIRE 752 0 624 0
WIRE 32 16 -96 16
WIRE 496 16 496 -64
WIRE 560 16 496 16
WIRE -32 48 -32 0
WIRE 496 48 496 16
WIRE -96 64 -96 16
WIRE -64 64 -96 64
WIRE 32 64 32 16
WIRE 80 64 32 64
WIRE 176 64 176 0
WIRE 176 64 160 64
WIRE 32 80 32 64
WIRE 32 80 0 80
WIRE -752 96 -752 -160
WIRE -448 96 -448 -160
WIRE -128 96 -128 64
WIRE -64 96 -128 96
WIRE 224 96 224 -32
WIRE 288 96 224 96
WIRE 448 96 448 -16
WIRE 448 96 368 96
WIRE 528 112 528 -16
WIRE 592 112 528 112
WIRE 752 112 752 0
WIRE 752 112 672 112
WIRE -128 128 -128 96
WIRE 224 128 224 96
WIRE 528 144 528 112
WIRE 32 272 32 80
WIRE 496 272 496 128
WIRE 496 272 32 272
FLAG 288 16 0
FLAG -448 176 0
FLAG -288 64 0
FLAG -80 -144 0
FLAG -192 64 0
FLAG -32 112 0
FLAG -128 208 0
FLAG 224 208 0
FLAG 592 32 0
FLAG 528 224 0
FLAG -752 176 0
FLAG -576 64 0
SYMBOL Opamps\\opamp2 288 -80 R0
SYMATTR InstName U1
SYMATTR Value TLV247xA
SYMBOL res 160 -64 R90
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL voltage -448 80 R0
SYMATTR Value PULSE(0 48 0.0001 0 0 0.00025 0.0005)
SYMATTR InstName V3
SYMBOL res -304 -144 R0
SYMATTR InstName R5
SYMATTR Value 135k
SYMBOL res -304 -32 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL schottky -176 -64 R180
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -80 -240 R0
SYMATTR InstName V4
SYMATTR Value 3.3v
SYMBOL Opamps\\opamp2 -32 16 R0
SYMATTR InstName U2
SYMATTR Value TLV247xA
SYMBOL res -144 -32 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -144 112 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 272 112 R270
SYMATTR InstName R7
SYMATTR Value 5k
SYMBOL res 208 112 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 176 48 R90
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL Opamps\\opamp2 592 -64 R0
SYMATTR InstName U4
SYMATTR Value TLV247xA
SYMBOL res 576 128 R270
SYMATTR InstName R9
SYMATTR Value 5k
SYMBOL res 512 128 R0
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL voltage -752 80 R0
SYMATTR Value PULSE(0 48 0 0 0 0.00025 0.0005)
SYMATTR InstName V1
SYMBOL res -592 -144 R0
SYMATTR InstName R11
SYMATTR Value 135k
SYMBOL res -592 -32 R0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res 512 -48 R180
SYMATTR InstName R13
SYMATTR Value 10k
SYMBOL res 512 144 R180
SYMATTR InstName R14
SYMATTR Value 10k