파트넘버.co.kr KH231 데이터시트 PDF


KH231 반도체 회로 부품 판매점

Wideband Buffer/Amplifier



Cadeka 로고
Cadeka
KH231 데이터시트, 핀배열, 회로
www.cadeka.com
KH231
Fast Settling, Wideband Buffer/Amplifier (Av = ±1 to ±5)
www.datasheet4u.com
Features
s 165MHz closed-loop – -3dB bandwidth
s 15ns settling to 0.05%
s 1mV input offset voltage, 10µV/°C drift
s 100mA output current
s Excellent AC and DC linearity
s Direct replacement for CLC231
Applications
s Driving flash A/D converters
s Precision line driving
(a gain of 2 cancels matched-line losses)
s DAC current-to-voltage conversion
s Low-power, high-speed applications (50mW @ ±5V)
Small Signal Pulse Response
Av = 2
Av = -2
Time (5ns/div)
Bottom View K
Case
ground
Non-Inverting
Input
Inverting
Input
V+ 6
V- 5
ICC Adjust
GND Adjust -VCC
7 89
+4
-4
Supply
Voltage
-VCC
10
Collector
Supply
11 Vo
Output
Not NC 4
Connected
Case
ground
12
+VCC
3 21
GND Adjust +VCC
ICC Adjust
Supply
Voltage
Collector
Supply
Pins 2 and 8 are used to adjust the supply current or to adjust the off-
set voltage (see text). These pins are normally left unconnected.
Typical Performance
Gain Setting
Parameter
1 2 5 -1 -2 -5
-3dB bandwidth
180 165 130 165 150 115
rise time (2V)
1.8 2.0 2.5 2.0 2.2 2.9
slew rate
2.5 3.0 3.0 3.0 3.0 3.0
settling time (to 0.1%) 12 12 12 12 12 15
Units
MHz
ns
V/ns
ns
General Description
The KH231 Buffer/Amplifier is a wideband operational
amplifier designed specifically for high-speed, low-
gain applications. The KH231 is based on a current
feedback op amp topology-a unique design that both
eliminates the gain-bandwidth tradeoff and permits
unprecedented high-speed performance. (See table below.)
The KH231 Buffer/Amplifier is the ideal design alter-
native to low precision open-loop buffers and oscillation-
prone conventional op amps. The KH231 offers precise
gains from ±1.000 to ±-5.000 and linearity that is a
true 0.1%-even for demanding 50loads. Open-loop
buffers, on the other hand, offer a nominal gain of
0.95 ±0.03 and a linearity of only 3% for typical loads.
A buffer’s settling time may look impressive but it is
usually specified at unrealistically large load resis-
tances or when the effects of thermal tail are not
included; the KH231 Buffer/Amplifier settles to 0.05%
in 15ns-while driving a 100load.
Offsets and drifts, usually a low priority in conven-
tional high-speed op amp designs, were not ignored
in the KH231; the input offset voltage is typically 1mV
and input offset voltage drift is only 10µV/°C. The
KH231 is stable and oscillation-free across the entire
gain range and since it’s internally compensated, the
user is saved the trouble of designing external com-
pensation networks and having to “tweak” them in
production. The absence of a gain-bandwidth trade-
off in the KH231 allows performance to be predicted
easily; the table below shows how the bandwidth is
affected very little by changing the gain setting.
The KH231 is constructed using thin film resistor/bipolar
transistor technology, and is available in the following
versions:
The KH231 is constructed using thin film resistor/bipolar
transistor technology, and available in these versions:
KH231AI
KH231AK
KH231AM
-25°C to +85°C
-55°C to +125°C
-55°C to +125°C
KH231HXC -55°C to +125°C
KH231HXA -55°C to +125°C
12-pin TO-8 can
12-pin TO-8 can, features
burn-in & hermetic testing
12-pin TO-8 can,
environmentally
screened and electrically
tested to MIL-STD-883
SMD#: 5962-8959401HXC
SMD#: 5962-8959401HXA
REV. 1A January 2004


KH231 데이터시트, 핀배열, 회로
DATA SHEET
KH231
KH231 Electrical Characteristics (TA = +25°C, Av = +2V, VCC = ±15V, RL = 100, Rf = 250; unless specified)
PARAMETERS
Ambient Temperature
Ambient Temperature
CONDITIONS
KH231AI
KH231AK/AM/HXC/HXA
TYP
+25°C
+25°C
MIN & MAX RATINGS
-25°C +25°C +85°C
-55°C +25°C +125°C
UNITS
SYM
FREQUENCY DOMAIN RESPONSE
¦ -3dB bandwidth (note 2)
wwwl.adragtaes-shiegent4aul .bcaomndwidth
gain flatness (note 2)
¦ peaking
¦ peaking
¦ rolloff
group delay
linear phase deviation
reverse isolation
non-inverting
inverting
Vo
Vo
Vo
≤≤≤1220VVVpppppp
0.1 to 50MHz
>50MHz
at 100MHz
to 100MHz
to 100MHz
165
95
0.1
0.1
0.4
3.5 ± 0.5
0.5
53
36
>145
>80
<0.6
<1.5
<0.6
<2.0
>43
>26
>145
>80
<0.3
<0.3
<0.6
<2.0
>43
>26
>120
>60
<0.6
<0.8
<1.0
<2.0
>43
>26
MHz
MHz
dB
dB
dB
ns
°
dB
dB
SSBW
FPBW
GFPL
GFPH
GFR
GD
LPD
RINI
RIIN
TIME DOMAIN RESPONSE
rise and fall time
settling time to 0.05%
to 0.1%
overshoot
slew rate (overdriven input)
overload recovery
<50ns pulse, 200% overdrive
2V step
10V step
5V step
2.5V step
5V step
<1% error
2.0 <2.4 <2.3 <2.7
ns TRS
5.0 <7.0 <6.5 <6.5
ns TRL
15 – – – ns TS
12 <22 <17 <22 ns TSP
5 <15 <10 <15 % OS
3.0
>2.5
>2.5
>1.8
V/ns SR
120 – – – ns OR
NOISE AND DISTORTION RESPONSE
¦ 2nd harmonic distortion
0dBm, 20MHz
¦ 3rd harmonic distortion
0dBm, 20MHz
equivalent input noise
noise floor
>5MHz
integrated noise
5MHz to 200MHz
STATIC, DC PERFORMANCE
* input offset voltage
average temperature coefficient
* input bias current
average temperature coefficient
* input bias current
average temperature coefficient
* power supply rejection ratio
common mode rejection ratio
* supply current
non-inverting
inverting
no load
-55
-59
-153
70
1
10
5.0
50
10
125
50
46
18
<-47
<-47
<-150
<100
<4.0
<25
<29
<125
<31
<200
>45
>40
<22
<-47
<-47
<-150
<100
<2.0
<25
<21
<125
<15
<200
>45
>40
<22
<-47
<-47
dBc HD2
dBc HD3
<-150 dBm(1Hz) SNF
<100 µVrms INV
<4.5
<25
<31
<125
< 35
<200
>45
>40
<22
mV
µV/°C
µA
nA/°C
µA
nA/°C
dB
dB
mA
VIO
DVIO
IBN
DIBN
IBI
DIBI
PSRR
CMRR
ICC
MISCELLANEOUS PERFORMANCE
non-inverting input resistance
non-inverting input capacitance
output impedance
output voltage range
DC
@ 100MHz
no load
400
1.3
5, 37
±12
>100
<2.5
>±11
>200
<2.5
>±11
>400
<2.5
>±11
k
pF
Ω, nH
V
RIN
CIN
RO
VO
Min/max ratings are based on product characterization and simulation. Individual parameters are tested as noted. Outgoing quality levels are
determined from tested parameters.
Absolute Maximum Ratings
Recommended Operating Conditions
VCC
Io
common mode input voltage, Vo
differential input voltage
thermal resistance
junction temperature
operating temperature
storage temperature
lead temperature (soldering 10s)
±20V
±100mA
(see Vcm and Vo
limits plot on page 3)
±3V
(see thermal model)
+175°C
AI: -25°C to +85°C
AK/AM: -55°C to +125°C
-65°C to +150°C
+300°C
note 1:
note 2:
* AI/AK/AM/HXC/HXA 100% tested at +25°C
¦ AK/AM/HXC/HXA 100% tested at +25°C and sample
tested at -55°C and +125°C
¦ AI
sample tested at +25°C
The output amplitude used in testing is 0.63Vpp. Performance
is guaranteed for conditions listed.
VCC
Io
common mode input voltage
gain range
±5V to ±15V
±75mA
±(|VCC| -5)V
±1 to ±5
note 3:
note 4:
In the noninverting configuration, care should be taken when
choosing Ri, the input impedance setting resistor; bias
currents of typically 5µA but as high as 24µA can create an
input signal large enough to cause overload. It is therefore
recommended that Ri < (VCC/Av)/24µA.
These ratings protect against damage to the input stage
caused by saturation of either the input or output stages at
lower supply voltages, and against exceeding transistor
collector-emitter breakdown ratings at high supply voltages.
Vout(max) is calculated by assuming no output saturation.
Saturation is allowed to occur up to this calculated level of
Vout. Vcm is defined as the voltage at the non-inverting
input, pin 6.
2 REV. 1A January 2004




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KH231 amplifier

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