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ANALOG DEVICESFAX-ON-DEMANDOTLINE H
- Page 2
"
-. W
FEATURES
ANALOG DEVICES
... .. . . .. .. ... .. ..,
220V/~1 Min
High-Speed Voltage
FoIIowerIB uffe r
BUF-O3I
in an open-loop circuit employing source followers and
emitterfollowers. the BUF-{)3utilizes a quasi-quad FETinput structure to optimize both speed and D.C. input characteristics. On-chipzener-zap trimmingis used to achieve low offset voltage while careful biasing throughout results in excell_entgain linearity over the full Input voltage range. Applications for which the BUF-{)3is well-suited include high-speed line drivers. isolation amplifiers for driving reactive loads. and high-speed sample-hold circuits.
.
.LowOut .
.
WideBandwidth 63MHz . LoadDriveCurrent. . .. .. . . . . . . .. .. .. .. ... 70mA Peak EasilyDrivesLarge Capacltlvtt oadsWithoutOscillation L . High Input Resistance. . . . . . . .. . 5X 1011f!
.
very
High Slew Rate.
.
OBS
ORDERING INFORMATIONt
Ta = ZS.C YOI MAX (mY) 6 6 15 15
put Resistance 2f! very Low Bla. Cum"t (Warmed-Up) ,. 400pA Max LowOffaelVottage 6mVMax . Unity Gain , 0.997V/V . EIceUenl Gain Linearity. . . . . . . . . , . . . . . . . . . . . .. 0.015'10 . Available In Die Form
PIN CONNECTIONS
N.C. . NUu.
7 V.
.
PACKAGE TO-" 8-PlN BUFO3AJBUF03EJ BUF03BJ' BUF03FJ
For daYlces prOcess.d In Iolalcompliance to !.AIL-Sro-S83. add 18&3IfI8r part number. Consult laclDryfor 883 data sh&8l. .
Bum-In Is availabltt on commercia! and industria! temperature range parts in
t
c.rDIP,
plasdc DIP. and T().can packages.
GENERAL DESCRIPTION
OLE
0,
MIL COM MIL COM
H.C.l. IHPUTa
OPERATING TEMPERATURE RANGE
"
TO-99 (J-Sufllx)
>HULl
6 OIlTPUT
. V-(CASE)
OPTIONAL OFFSET NULLING CIRCUIT
The BUF-o3is the first very high-speedmonolithic voltage follower. Featuring performance previously unobtainable Ina monolithic unit. it offers a combination of both exceptional speed and excellent input/output specifications. Implemented SIMPLIFIED SCHEMATIC
y+
TE
OUTPUT
OUil'UT
INPlJT
0-..
v-
:"1-
--
ANALOG DEVICESfA~-ON-DEMAND HOTLINE
- Page
3
.'
BUF-O3
ABSOLUTE MAXIMUM RATINGS
Supply Voltage
""""""""""""""""'"
:t16V
""""'" l.00W
.
Internal PowerDissipation (Pd) In Still Air Without Heat Sink (Note 1)
Input Voltage (Note 2)
DiceJunction Temperature(Tj) Thermal Resistance OJA (Note 1) Thermal Resistance8JC(Note 1)
NOTES: 1. Basedon
-65C to +175C 150CIW 18CIW
,..
:t18V 70mA 100mA
Continuous
Output Current (Note 3)
Indefinite
Peak Output Current (Note 3) Short Circuit Protection (Note 3)
MIL-STD-38510 published thermal resistance specification for 8 lallo can-case oulline C. is equal to tho supply 'oltage.
2. When Vcc.-.:t 18V. the maximum input 'ollage 3. The maximum Pa or Tj are not to be exce.;ded. 4. At SOmA. 5. When operating at TA > +25'C.
(Note 4)
Maximu.p_JunctionTemperature(Tj) , 175C Storage Temperature Range. . . . . . . . . . .. -65C to + 175C Operating Temperature Range (Note 5) ' -55C to + 125C
heat sinking is required
to insure TiMAX
=
+ 175'C specification is notexceedeo 6JCMAX + 6SAi where 8M
=sink
using theequetton Tjw.x- TA+ (Pa x to ambient thermal resistance. PMI
Lead Temperature (Soldering, 60 sec)
300.C
recommenos using either the Thermalloy 2227 or 1101or equivalent when operating up to TA=+ 12S'C.
ELECTRICAL CHARACTERISTICS at Vs"" :t15V. Rs'" DO,T" '" Tj = 25C, unless otherwise noted. (Note 1)
OBS
PARAMETER SYMBOL AC SPECIFICATIONS Slew Rate SR fA POWilTBandwidtl'l Bandwidlh PBW BW ~V'N Settling Tim. Capaeltl...
CONDITIONS
BUF.O3A/E MIH TYP MAX
BUF.O3B/F IIIN TVP MAX
UNITS
Rl ~ 2kO. Cl = 50pF.
=fJ=75'C
220
250
180
250
VIN 10Vp-p' ~ 2kl! = Rl
=~ 2V:p,
ts
To 0..1%,:t 10V step No Osciltations
Load Capability Delay
CLOAO
Propagation Rise Time
td
Step Inpul
~V
t,
=0.5V
Wide Band InpUI Noise Voltage Inpul Noi.. Voltage Density
Vn en
DC to 50MHz
I = 10kHz
DC SPECIFICATIONS Input Offset Voltage Inpul Bias Current Input Resistance Vas 18 A'N
RS~ 20kCl (Note 21
OLE
-9 63 90 1
-
VII's
-8 -50
100
MHz MHz -
-7 -7
50
350
2
6
150
400
At ~ 10kO Rl ~ 2kl) Rl<: 11sx lO'l
0.9975 0.9960 0.91045 0..015 0..013 40 0.023 0.023 60
0.9940 0.9930 0.9905
4x1011
TE
ns
400 I'VRMS 60 nVI.jH'l 15 mV pA 160 700
ns ..F ns -
-
Cl
Voltage Gain (V'N=:t1DV)
Ava
0.9960 0.9945 0.9925
0.9970 0.9950 0.9930 0.017 Om5 50 0..03 0..03 85
V/V
Nonlinearity iNote 2)
NL
VIN= :t10V, Rl~ 2kl! {Note 31 VIN=:!:7V.Rl21kCl
%F.S
Maximum Output error "-'--'........._.._-.."-'_. Power Supply Rejection Supply Current Peak Loed Current . .-.......----Output Resistance Ollsel Voltage Nulling Range Input Voltage Range (Reduced NOTES: Accuracy) Ralio
OUT error
V'N=+10V,OV.-10V Rs = 0 1020kCl(Note 2) Rl ,,2kn in all combinations
VS=:t6VIO:t1I1V No Load
mV
mV/V mA mA II mV
PSRR 'SY 'ltPK. Re dVos IVA
0.10 19
70
0.71 25 -
-
0.15 19 70 2 :t80 :t11,S
1,42 25
2
Rp ~ IkO
-
-
:tSO :tl1.5
......-........-...
v
1. Electrical arameters are pulse tested on automated test equipment. Total p teSt time at eaCh temperature is limited to less than one second maximum
to keep Tj approximately equal to TA 2.. Parameters specified with Rs~ 20kn are testedat As-on. Limits in lest program are adjusled to lake into account worst clSe voltage offset
induced by As
3. Nonlineartty is computed using linear regression techniques with data
from ti,e points (e.g., -10V. -5V. OV.+5V. + 10Vfor t tOVfull-scale linearity; - 7V, -3.5V. OV.+3.5V. and + 7V lor :t7V lull-scale linearity).
-20kf
l.
1.8.. Ie max x
20kll.
-2-
.
ANALOG DEVICESfAX-ON-DEMAND HOTLINE
- Page ~ .'
BUF-O3
ELECTRICAL
PARAMETER Slew Rate Input Olfset Voltage
CHARACTERISTICS
SYMBOL SR Vas TCVos 18 Avo
at Vs =:!: 15V,-55C:<; TA'5 +125C, TA = Tj, unless otherwise
CONDITIONS
RL 21<11, L = SOpF C
noted. (Note 1)
MAX UNITS
MIN
BUF-O3A MAX TYP
MIN
BUF-O3B TYP
_.
220
6
...
20
.
220
35 170 90
VII's
mV . .. p.v;oC nA
Rs
2k!1
-
10
AverageInputOffset
Voltage DrIft Inp!-!,lBlasCurrent Vollage Gain
As:S 2k!l. (Note 2) TA=+12S"C RL 2kll. VIN=il0V
-
50
25
5 0.15
100
75
--
0.9902
90
30 0.9942 8
0.0020 0.0055
GainDriftwithTemperature
Power Supply Rejection Ratio PSRR ISY Vs:7Vto;!:15V TA=+12SDC
.-.
1.26
-
2.24 24
-
VIV
ppml"C
SupplyCurrent
-
18
24
otherwise
0.20 18
mVIV -. mA
OBS
ELECTRICAL CHARACTERISTICS SYMBOL
PARAMETER Slew Rate SR Input -'-" Olfset Volta~e ....----------.-----.. Avera~e Input Offsel Voltage Drift Input Bias Current Vas TCVes
.""-"--"""-'---".-"-'-.
at Vs =:!:1SV. 0
C ~ TA ~ + 70 C, TA "" Ti' unless
noted.
CONDITIONS
BUF-O3E MIN TYP MAX 240
4
IIIIN
BUF-O3F TYP MAX
240
RL;::2kO
14
Rs'; 2k{l. CL=50pF Rs:S2kl1.\Note2j
...
18
TA=+70.C RL'" 2k.f!
Voltage Gain (V1N~' 1: 10VI Gain Drift with Temperature """"""""---"'
Avo
.
'-.'.
Power SuPPly Rejection Ratio """"---"'...
PSRA
'Sy
VS=-:!7VIOI15Y TA"'+70'C
Supply Current
NOTES; 1. In order 10operate the device at an ambienltemperatureot+ 125DC,more extensive heat sinking must be used to ensure that the chip temperature never exceeds Ihe absolute maximumot +175' C. The chip temperature of +165.C Is achieved by reducing tl1ecase-to-ambient thermal resistance to 30'CIW ie.g.. Thermalloy 2227). 2. Guaranteed by deeign.
OLE
40 90
5 1.5
-
-
UNITS VII's
7
50
28
150
mV
pYfDC
-
1.8 8
8
nA
0.9935 0.9958 5 0.12 19
-
0.9918 0.0046 0.16 19
-
1
25
TE
ppml"C
mVIV mA 1.78 25
-
V/V
-3-
~-
-~
ANALOG DEVICESfAX-ON-DEMAND HOTLINE
- Page 5 .'
BUF-O3 DICECHARACTERISTICS
1. NULL
3. INPUT
4. NEGATIVESUPPLY
...--
5. NULL
S. OUTPUT 7. POSmVE SUPPLY
OBS
PARAMETER
DIE SIZE 0,011 X 0.049 Inch. 3479 sq. mils (taO x 1.24 mm. 2.23 Iq. mm)
WAFER TEST LIMITS at Vs= :!:1SV. j= 25C, unless otherwise noted, T
SYMBOL Vos
CONDITIONS As:$20kO
Input Offset Voltage
Voltage Gain
Avo
Rl<: 10kfl. V1N ~ 1.10V " '-.--------
Power SuPPly Rejection
Ratio
PSRR
Vs~i6VtO:t18V No Load
Supply Current
ISY
NOTE: Electrical telta are parformed at water probe to the limits shown, Due to variationsin assemblymethodsand normal yield loss. yield after packaging is not guarantll8d forstandard productdice.Consultfactoryto negotiatespecifications based on dicelotqualification through sample101 assemblyand testing.
OLE
BUF.O3N
LIMIT 6 0,9960 -------0.71 __--m 25 BUF-O3N TYPICAL 220 70 40 ax 10" 2
BUF-O3G
LIMIT ------15 0.9940 UNITS mV MAX VNMIN
1.42 _---mm".,___,.. 25 -----------
TYPICAL ELECTRICAL CHARACTERISTICS at Vs = :!:1SV,Tj = 25 C. unless otherwise noted,
PARAMETER Slew Aate Peak LoadCurrent - ,. Input 81as Current Input Realltance Output Resistance Off8et VoltllgeNulling Range Input Voltage Range (Reduced Accuracy) Power Bandwidth Bandwidtll Settling Time capaCitive Load capacity
..... .....
SYM80L SA Il\PK) 18 RIN Ro
CONDITIONS Al2 2kfi, Cl
BUF-O3G TYPICAL 180 70 60 5 x 10" 2
TE
mV/V MAX
mA MAX
UNITS VII'S
=50pF
--..
mA -pA 0 0 mV V
AVos
IVA PBW BW ts
Rp
1kO
:tSO
:tSO
:t 11,5 VIN'"10Vpop. t <:2kO A AVINS2Vpop ToO.1.:t10V.tep II 63 90 1
... ,.....'-.--""" .'....m_..... __m--_-
tl1.5 8 55 100 1 --m-_.. ....-- 7 7 400 60 --------....
MHz MHz ns I'F ns ns "VAloiS nVI'HZ
.'.._m'.'..'..-,
ClOAO te
..._. 'n..
No Oscillations
.. m....... .....-....
Propagation Delay ....-.. ....._..-.. Rise Time WieleBand Input Noise Voltage Input Noise IIoltageDensity
tr Vn en
..,.,... AV'H=O.5Y DC to SOMHz I.. 10kHz
Step Input
7
7 350 50
-4-
...~
ANALOG
DEVICESFAX-ON-DEMAND HOTLINE
u
12
!
1.0
SOL
Page
lID
GO.
40
,-
~ CO., ..
.1
z
...
SAFE OPERATING
AREA (DCI
I
i0,
..
8
~._-
a: 0 ::> u :1--211 .. L4I! -410 -410 -16 ... _n"
lOA
0.1 0 0 25 !iI 15 100 125 ISO "5 ...MalENT TEM""RATUAE reI 2IlJ
ETE
100
'... u a:
! ...
Z
10
1
I
~ a: ~
i:!,.o
iii
z i:i
""
i J:0.1
0.01
-10
-II 0 10 5 OUTPUT VOLTAGE IVOL TSI
15
.
25
45 G5 115 106 AM81ENTUMI'ERATURE I'CI
125
INPUT BIAS CURRENT VI INPUT VOLTAGE
200
WARMED
SLEW RATE V8TEMPERATURE
310
!
GAINERROR VITEMPERATURE
-0.70
I -0."
UP
180 f- vs' 21'V I 8JA . tI1'elW
T...-2!S"e
!
VS' tlW 6,lA' 'Mfc/W
r
I
III
"l' I un
I
jooo
1'111 ~ z w .. !SII u
....... I-'
1270
-0.60
I -I
~
..
II , I III
!!
Rl' 2tn
0,40
:t
iii 120 ... :I .. Z
t,.... t,....
~2SO
0:
~
a:
!
"2311 210
~-0.30 C "
Rl. lUkIJ
V,-tllV YIN.10Y =80'C II:I
0 25 50 75 TEMPERATURE rCI 100 12
-O.iIO I
-0.10
- 100 eo
i
1
I
i
10
-10
-2020 INPUTOlTAGE,VOlTS) V
180 -50
-25
0
25 50 nMPERATURE
75 reI
100
126
I II I 0
-50 ..26
ANALOG DEVICESFA~-ON-DE"AND HOTLINE
- Page 7
.'
BUF-O3
TYPICAL PERFORMANCE CHARACTERISTICS
NONLINEARITY FULL-SCALE VOLTAGE
0.0111
"
GAIN ERROR" INPUT VOLTAGE
I 50'
TA. lfI'c
,,,I,,
rA
I
,
,
,
,
,
,
..
GAI~ ERROR" INPUT VOLTAGE
II!
300
0.0& #
311
'A'...
200
I RL. II
RL.sou
2OO11'./-
7
!/
>
!
t
S
0.03
? ..
"
0
:> ! 100 i!!
10
I
V
0
I0.
;: -10
02
" .. !:
'"
0
'-./ /'
RL.200ft
L
",. I
R . on
I
-100
-200
-300 -10
-:.I
T
I
0.01
T..-25CI I
',15' HSV
-
ilL . 101<11
I
I
,I
-2
INPUT
OBS
..
I
0.001 t6
I
I ..
I I I I I t7 .. .. fUll-scALE (VOLTS!
I
I
I
1I
-6
I
0 i
(VOLTS)
.,0
-16
-Z 0i 6 INPUT TAOE(VOL VOL TS)
10
G
10
VOLTAGE
SUPPLY CURRENT SUPPLY VOLTAGE
I I I
211
I
I
20
TA
- a'"c
ill
1,0
Ii .. C
:r w or;
).
oJ
..
&18
B18
....
!I
f
S"
16 I
it
II 161 I
112 III
OLE
SUPPLY CURRENT va TEMPERATURE
21 90
OUTPUT
SHORT-CIRCUIT
VI
CURRENT
TIME
20
',Is, <15',1 eJA - '#C/W
+-
I
180 "
It ..
" ..
It
I
r-+--!-L
a
U
.. c
1-70
eo
..
I
I
I
I
S24
15I
-so
!
-2$
!
0
I
I
I
I
100
I
125
50
0
&18 S21 SUf'PLY VOLTAGE ItVOLm
75 2!i 50 TEMPERATURE I'C)
TE
I
I VIN
--
IOV
IZO
SLEWRATEVI
SUPPLY YOLTAGE
300 TA-:i&"C 260
SLEW RATE
1
~200
100
50 t5
.7
tt .11 .13 SUPf'LY VOUAGE(IfOLTS'
t15
+
---~
RNRLOG DEVICESfRX-ON-DE~RND HOTLINE
- Page B ."
BUF-O3 APPLICATIONSINFORMATION
OPERATINGTHE BUF-G3AT REDUCED POWER SUPPLIES In most video applications the signal levels are significantly lower than the 20V peak-to-peak capability of the BUF-03. This suggests operating the SUF-03 at reduced power suppJiea; for example. at f:6V supplies :t2V signals can be handled. The obvious advantage of reduced supplies is the accompanying decrease in power pissipation: from a typical 540mW (=30V x 18mA)to 195mW(= 12VX 16.2mA)atf:6V. At lower supply voltages heat sinking Is no longer necessary. However, as shown on the slew rate vs supply voltage curve,
HIGH-SPEED 8-BIT AID BUFFER
.,5V n'N.c.
~
son
OBS
AHALOG INPUT ,5\1 +15V 3kn QZ 2N:IIIO6
LOGIC IN HOLO;' 2.1111
slew rate does degrade at lower supplies. This occurs because of higher internal node capacitances at lower voltages and because of the slightlydecreased operating current.
-15V
DATA
1
MSB ,
HIGH-SPEED SAMPLE/HOLD AMPLIFIER
OLE
-,.W
CI !IOI>P
-!5V
.I.. CH
!iDOpf
RI 121<11
21<11
2kn
'---RJ lOkI1
01 2N2!IO6
+1.3&11
RZ 1.2" VI
""L.J
SAMPLE.. D.lV
DIGITALGROUND
-
L~
Q4 2N2222"
.~~
I ~R8
J
J
TE
ANALOG OUTPUT HOLD-TV
~on
-=100l!
~
ANALOG GROUND
loon
'-OlIn
IN91. -ISV
43On
-7-
-
-
-

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