1 rh37c precision operational amplifier t a = 25 c sub- sub- symbol parameter conditions notes min typ max group min typ max group units v os input offset voltage 1 100 4 300 2, 3 m v d v os average offset drift 4, 7 1.8 m v/ c d temp d v os long-term input offset 2, 4 2 m v/month d time voltage stability i os input offset current 75 1 135 2, 3 na i b input bias current 80 1 150 2, 3 na C55 c t a 125 c table 1: electrical characteristics (preirradiation) (note 9) d u escriptio a u g w a w u w a r b s o lu t exi t i s the rh37c combines very low noise with excellent preci- sion and high speed specifications. the low 1/f noise corner frequency of 2.7hz combined with 3.5nv ? hz 10hz noise and low offset voltage make the rh37c an excellent choice for low frequency military instrumentation applica- tions. the wafer lots are processed to ltcs in-house class s flow to yield circuits usable in stringent military applications. for complete electrical specifications and performance curves see the op-27/op-37 data sheet. supply voltage ..................................................... 22v internal power dissipation ................................ 500mw input voltage ........................... equal to supply voltage output short-circuit duration ......................... indefinite differential input current (note 8) ..................... 25ma operating temperature range ............. C 55 c to 125 c junction temperature range ............... C 55 c to 150 c storage temperature range ................ C 65 c to 150 c lead temperature (soldering, 10 sec)................. 300 c bur -i circuit u u wu u package / o rder i for atio , ltc and lt are registered trademarks of linear technology corporation. 10k 200 w 10k 20v 20v 7 + 6 rh37c bi 4 3 2 top view v + v os trim v os trim ?n out nc +in v (case) 8 7 6 5 3 2 1 4 h package
8-lead to-5 metal can + 1
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2 rh37c table 1: electrical characteristics symbol parameter conditions notes min max min max min max min max min max units v os input offset voltage 1 100 130 180 280 400 m v i os input offset current 75 75 90 120 180 na i b input bias current 80 80 125 200 400 na input resistance 2 (typ) 2 (typ) 2 (typ) 2 (typ) 2 (typ) g w common mode input voltage range 4 11 11 11 11 11 v cmrr common mode v cm = 11v 100 100 97 94 90 db rejection ratio psrr power supply v s = 4v to 18v 94 94 92 90 86 db rejection ratio a vol large-signal voltage gain r l 3 2k, v o = 10v 700 700 700 700 400 v/mv v out maximum output r l 3 10k 11.5 11.5 11.5 11.5 11.5 v voltage swing r l 3 600 w 10.0 10.0 10.0 10.0 10.0 v sr slew rate r l 3 2k 1.7 1.7 1.7 1.5 1 v/ m s z o open-loop output resistance v o = 0, i o = 0 70 (typ) 70 (typ) 70 (typ) 70 (typ) 70 (typ) w p d power dissipation 170 170 170 170 170 mw 100krad(si) 50krad(si) 20krad(si) 10krad(si) 200krad(si) (preirradiation) (note 9) t a = 25 c sub- sub- symbol parameter conditions notes min typ max group min typ max group units e n input noise voltage 0.1hz to 10hz 4, 5 0.25 m v p-p input noise voltage density f o = 10hz 3 8.0 nv/ ? hz f o = 30hz 4 5.6 nv/ ? hz f o = 1000hz 4 4.5 nv/ ? hz i n input noise current density f o = 1000hz 4, 6 0.6 pv/ ? hz input resistance 2 g w common mode input voltage range 4 11 10.2 v cmrr common mode v cm = 11v 100 1 db rejection ratio v cm = 10v 94 2, 3 db psrr power supply v s = 4v to 18v 94 1 db rejection ratio v s = 4.5v to 18v 86 2, 3 db a vol large-signal voltage gain r l 3 2k, v o = 10v 700 4 300 5, 6 v/mv r l 3 600 w , v o = 1v 4 200 v/mv v s = 4v v out maximum output r l = 2k 11.5 4 10.5 5, 6 v voltage swing r l = 600 w 10.0 4 v sr slew rate r l = 2k, a vcl 3 511 7 v/ m s gbw gain-bandwidth product f o = 10khz (a vcl 3 5) 4 45 mhz f o = 1mhz (a vcl 3 5) 40 mhz z o open-loop output resistance v o = 0, i o = 0 470 w p d power dissipation 170 1 mw C55 c t a 125 c table 1a: electrical characteristics (postirradiation) (note 10)
3 rh37c total dose bias circuit 10k 15v ?5v + 10k 8v typical perfor a ce characteristics wu total dose krad (si) 1 positive slew rate (v/ m s) 25
20
15
10
5
0 10 rh37c g01 100 1000 v s = 15v
r l = 2k
a vcl 3 5 total dose krad (si) 1 negative slew rate (v/ m s) 25
20
15
10
0 10 rh37c g02 100 1000 v s = 15v
r l = 2k
a vcl 3 5 positive slew rate negative slew rate table 1a: electrical characteristics note 6: see test circuit for current noise measurement on op-27/op-37 data sheet. note 7: the average input offset drift performance is within the specifica- tions unnulled or when nulled with a pot having a range 8k w to 20k w . note 8: the rh37cs inputs are protected by back-to-back diodes. current limiting resistors are not used in order to achieve low noise. if differential input voltage exceeds 0.7v, the input current should be limited to 25ma. note 9: v s = 15v, v cm = 0v unless otherwise noted. note 10: t a = 25 c, v s = 15v, v cm = 0v, unless otherwise noted. note 1: input offset voltage measurements are performed by automatic test equipment approximately 0.5 seconds after application of power. note 2: long-term input offset voltage stability refers to the average trend line of offset voltage vs time over the first 30 days of operation. excluding the initial hour of operation, changes in v os during the first 30 days are typically 2.5 m v. refer to the typical performance curves. note 3: sample tested to an ltpd of 15 on every lot. contact factory for 100% testing of 10hz voltage density noise. note 4: parameter is guaranteed by design, characterization, or correlation to other tested parameters. note 5: see test circuit and frequency response curve for 0.1hz to 10hz tester on op-27/op-37 data sheet. information furnished by linear technology corporation is believed to be accurate and reliable. however, no responsibility is assumed for its use. linear technology corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
4 rh37c i.d. no. 66-10-0172 rev. b 0398 pda test notes the pda is specified as 5% based on failures from group a, subgroup 1, tests after cooldown as the final electrical test in accordance with method 5004 of mil-std-883 class b. the verified failures of group a, subgroup 1, after burn-in divided by the total number of devices submitted for burn- in in that lot shall be used to determine the percent for the lot. linear technology corporation reserves the right to test to tighter limits than those given. typical perfor a ce characteristics wu open-loop gain input offset voltage input bias current common mode rejection ratio input offset current total dose krad (si) 1 input offset current (na) 0 25 rh37c g07 ?5 ?0 10 100 1000 75 50 v s = 15v
v cm = 0v power supply rejection ratio ? linear technology corporation 1993 rh37cb lt/hp 0398 100 rev b ? printed in usa total dose krad (si) 1
0 50 150 100 rh37c g03 ?0 100 10 1000 150 200 100 input offset voltage ( m v) v s = 15v
v cm = 0v total dose krad (si) 1
140 150 170 100 rh37c g04 130 120 10 1000 110 100 160 open-loop gain (db) v s = 15v
r l = 2k
v out = 10v total dose krad (si) 1
200 250 350 100 rh37c g05 150 100 10 1000 50 0 300 input bias current (na) v s = 15v
v cm = 0v total dose krad (si) 1
140 150 170 100 rh37c g06 130 120 10 1000 110 100 160 common mode rejection ratio (db) v s = 15v
v cm = 11v table 2: electrical test require e ts
u
w mil-std-883 test requirements subgroup final electrical test requirements (method 5004) 1*,2,3,4,5,6,7 group a test requirements (method 5005) 1,2,3,4,5,6,7 group b and d for class s, and 1 group c and d for class b end point electrical parameters (method 5005) * pda applies to subgroup 1. see pda test notes. total dose krad (si) 1
110 120 140 100 rh37c g08 100 90 10 1000 80 70 130 power supply rejection ratio (db) v s = 4v to 18v linear technology corporation 1630 mccarthy blvd., milpitas, ca 95035-7417 l (408) 432-1900 fax: (408) 434-0507 l telex: 499-3977 l www.linear-tech.com
l l l l l l l l l l l space qualified products home > products > space and harsh environment > space qualified products > radiation hardened (rad hard) op amps and comparators > rh37c l radiation hardened (rad hard) op amps and comparators l radiation hardened (rad hard) regulators l radiation hardened (rad hard) voltage references l military jan s products rh37c - precision operational amplifier l
l l l l l print friendly features l absolute maximum ratings l supply voltage 22v l internal power dissipation 500mw l input voltage equal to supply voltage l output short-circuit duration indefinite l differential input voltage (note 8) 25ma l operating temperature range ?55c to 125c l junction temperature range ?55c to 150c l storage temperature range ?65c to 150c l lead temperature (soldering, 10 sec) 300c typical application
back to top description the rh37c combines very low noise with excellent precision and high speed specifications. the low 1/f noise corner frequency of 2.7hz combined with 3.5nvrthz 10hz noise and low offset voltage make the rh37c an excellent choice for low frequency military instrumentation applications. the wafer lots are processed to ltc's in-house class s flow to yield circuits usable in stringent military applications. for complete electrical specifications and performance curves see the op-27/op-37 data sheet. back to top packaging
to-5, dip-8, flatpak-10 (glass sealed) back to top order info l part numbers ending in pbf are lead free. please contact ltc marketing for information on lead based finish parts. l part numbers containing tr or trm are shipped in tape and reel or 500 unit mini tape and reel, respectively l please refer to our general ordering information or the product datasheet for more details package variations and pricing part number package pins temp price (1-99) price (1k) * rohs data op37en8 pdip 8 c $5.00 $4.05 view op37en8#pbf pdip 8 c $5.00 $4.05 view
op37gn8 pdip 8 c $3.40 $2.75 view op37gn8#pbf pdip 8 c $3.40 $2.75 view OP37GS8 so 8 c $3.50 $2.85 view OP37GS8#pbf so 8 c $3.50 $2.85 view OP37GS8#tr so 8 c $2.91 view OP37GS8#trpbf so 8 c $2.91 view buy now request samples * the usa list pricing shown is for budgetary use only, shown in united states dollars (fob usa per unit for the stated volume), and is subject to change. international prices may differ due to local duties, taxes, fees and exchange rates. for volume-specific price or delivery quotes, please contact your local linear technology sales office or authorized distributor. back to top applications back to top simulate to simulate selected linear technology products, please download ltspice / switchercad iii. this powerful schematic capture and simulation tool includes macro models for 80% of linear technology's switching regulators, over 200 op amp models, as well as resistors, transistors and mosfet models. for other simulation tools, visit our design simulation and device models page. back to top this product is not currently available for order online. please contact your local sales office or distributor for availability.
documentation datasheet l rh37c - dice data sheet l rh37c - precision operational amplifier spec notice l rh37c - spec no. 05-08-5030 reliability data l r301 rh reliability data l site help l site map l site index l send us feedback l ? 2007 linear technology | terms of use | privacy policy
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