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ltspice/current source/ad8276.cir

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+* AD8276 SPICE Macro-model        
+* Description: Amplifier
+* Generic Desc: iPolar, DiffAmp, Low Cost,low power, G=1
+* Developed by:
+* Revision History: 08/10/2012 - Updated to new header style
+* 1.0 (12/2009)
+* Copyright 2012 by Analog Devices, Inc.
+*
+* Refer to http://www.analog.com/Analog_Root/static/techSupport/designTools/spiceModels/license/spice_general.html for License Statement. Use of this model 
+* indicates your acceptance of the terms and provisions in the License Statement.
+* 
+* BEGIN Notes:
+*
+* Not Modeled:
+*    
+* Parameters modeled include: 
+* END Notes
+*
+* Node assignments
+		+IN	-IN	Vcc	Vee	Out	Ref	Sense 
+*$
+.subckt AD8276	Pin	Nin	Vcc	Vee	out	Ref	Sense
+*** Internal Resistors							
+R63	Pin	1	Rideal	4.00E+04			
+R62	Nin	2	Rideal	4.00E+04			
+R61	Ref	1	Rideal	4.00E+04			
+R65	Sense	2	Rideal	4.00E+04			
+***Differential Stage							
+Q1	13	12	14	npn			
+Q2	17	2	16	npn			
+Rc1	98	13	Rideal	4.200E+00			
+Rc2	98	17	Rideal	4.200E+00			
+Re1	14	15	Rideal	4.148E+00			
+Re2	15	16	Rideal	4.148E+00			
+Ibias	15	51	1.00E+00				
+Dcmlim1	18	15	DQUIET				
+Vcmlim1	18	51	-0.074				
+***Voltage Noise Generation							
+HVnoise	9	7	Vvnoise	1			
+VVnoise	501	0	0				
+DVnoise	501	0	Dvnoise				
+RVnoise	501	0	3.37959E-06				
+***Current Noise Generation on +IN							
+FInoise1	12	0	VInoise1	1			
+VInoise1	502	0	0				
+DInoise1	502	0	DInoise1				
+RInoise1	502	0	287500				
+***Current Noise Generation on -IN							
+FInoise2	2	0	VInoise2	1			
+VInoise2	503	0	0				
+DInoise2	503	0	DInoise2				
+RInoise2	503	0	287500				
+***Common Mode Injection							
+Rcm1	1	601	Rideal	100Meg			
+Rcm2	2	601	Rideal	100Meg			
+Gcmr	0	602	601	75	1.00E-06		
+Rcmr1	602	603	Rideal	1Meg			
+Rcmr2	603	604	Rideal	3.162E+01			
+Lcmr	604	0	1.007E-03				
+Ecmr	10	9	603	0	1.000E+00		
+***Positive Power Supply Rejection							
+Epsr1	700	0	98	0	1		
+Rpsr1	700	701	Rideal	1.00E+02	
+Rpsr2	701	702	Rideal	1.000E-03	
+Lpsr1	702	0	3.979E-06		
+Epsr2	11	10	701	0	1
+***Negative Power Supply Rejection					
+Epsr3	703	0	51	0	1
+Rpsr3	703	704	Rideal	1.00E+02	
+Rpsr4	704	705	Rideal	1.000E-03	
+Lpsr2	705	0	5.305E-07		
+Epsr4	12	11	704	0	1
+***Input Offset and Bias					
+Vos	1	7	1.000E-04		
+Ios	1	2	0.000E+00		
+***Input Impedance						
+Cinv	2	0	6.00E-13			
+Cninv	1	0	6.00E-13			
+***1st Gain and Slew limiting						
+Gslew	0	101	17	13	1.0000E+00	
+Rslew	101	0	Rideal	2.50E+02		
+Dslew1	101	102	DZENER			
+Dslew2	0	102	DZENER			
+***Second Gain and Dominant Pole with Output Voltage Limiting						
+Gp1	51	201	101	0	4.173E-08	
+Rp1	201	51	Rideal	3.032E+13		
+Cp1	201	51	1.50E-12			
+Vlim1	97	206	0.35			
+Dlim1	201	206	dquiet			
+Vlim2	207	52	0.35			
+Dlim2	207	201	dquiet			
+Esupref1	97	98	51	0	1	
+Esupref2	52	51	51	0	1	
+***Second Pole						
+Gp2	0	202	201	51	1.00E-03	
+Rp2	202	0	Rideal	1.00E+03		
+Cp2	202	0	3.1831E-11			
+***Third Pole						
+Gp3	0	203	202	0	1.00E-03	
+Rp3	203	0	Rideal	1.00E+03		
+Cp3	203	0	3.1831E-11			
+***Fourth Pole						
+Gp4	0	204	203	0	1.00E-03	
+Rp4	204	0	Rideal	1.00E+03		
+Cp4	204	0	1.59155E-16			
+***Fifth Pole						
+Gp5	0	205	204	0	1.00E-03	
+Rp5	205	0	Rideal	1.00E+03		
+Cp5	205	0	1.592E-16			
+***First Zero						
+Gz1	0	301	205	0	1.00E-03	
+Rz1	301	302	Rideal	1.00E+03		
+Lz1	302	0	1.061E-04			
+***Second Zero						
+Gz2	0	303	301	0	1.00E-03	
+Rz2	303	304	Rideal	1.00E+03		
+Lz2	304	0	1.592E-10			
+***Third Zero						
+Gz3	0	305	303	0	1.00E-03				
+Rz3	305	306	Rideal	1.00E+03					
+Lz3	306	0	1.59E-10						
+***Buffer									
+Gbuf	0	401	305	0	1.00E-04				
+Rbuf	401	0	Rideal	1.00E+04					
+***Output with current limiting									
+Eout	404	0	401	0	1.000E+00				
+Rout	404	405	RIDEAL	1.000E+00					
+Lout	405	406	1.00E-19						
+Cout	406	0	5.70E-11						
+Voutmon	406	4	0						
+Dout1	401	407	Dquiet						
+Vout1	407	406	-6.150E-01						
+Dout2	408	401	Dquiet		
+Vout2	406	408	-6.150E-01		
+Rsmall	4	out	1000
+***Voltage reference generator					
+Eref1	98	0	Vcc	0	1
+Eref2	51	0	Vee	0	1
+Rref1	98	901	Rideal	100Meg	
+Rref2	901	51	Rideal	100Meg	
+Eref3	75	0	901	0	1
+***Supply current correction					
+Iq	Vcc	Vee	0.00020		
+Fsup1	Vcc	0	Voutmon	1	
+*DZsup1	0	802	DZENER2		
+*Dsup1	Vcc	802	DQUIET		
+Fsup2	0	Vee	Voutmon	-1	
+*DZsup2	804	0	DZENER2				
+*Dsup2	804	Vee	DQUIET				
+***models							
+.model	Rideal	res	T_ABS=27				
+.model	Rnoise	res	T_ABS=27
+.model	npn	npn	BF= 8333332.33333333
+.model	dquiet	d	
+.model	dvnoise	d	KF=980000
+.model	dinoise1	d	KF=0.000576
+.model	dinoise2	d	KF=0.000576
+.model	dzener	d	BV=38.9444143409777
+.model	dzener2	d	BV=50
+.ends			
+
+