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8001401ZX Datasheet PDF Download - MSK

Номер произв 8001401ZX
Описание FET INPUT HIGH SPEED VOLTAGE FOLLOWER/BUFFER AMPLIFIER
Производители MSK
логотип MSK логотип 
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8001401ZX Даташит, Описание, Даташиты
MIL-PRF-38534 CERTIFIED
www.datasheet4u.com
FET INPUT HIGH SPEED VOLTAGE
0033FOLLOWER/BUFFER AMPLIFIER
M.S.KENNEDY CORP.
4707 Dey Road Liverpool, N.Y. 13088
(315) 701-6751
FEATURES:
Industry Wide LH0033/EL2005 Replacement
Low Input Offset - 2mV
Low Input Offset Drift - 25µV/°C
FET Input, Low Input Current - 50pA
High Slew Rate - 1500V/µS
Wide Bandwidth - 140MHz
High Output Current - ±100mA
Available to DSCC SMD 5962-80014
DESCRIPTION:
The MSK 0033(B) is a high speed, wide bandwidth voltage follower/buffer amplifier that is pin compatible with all
other 0033 designs. The FET input is cascaded to force the input characteristics to remain constant over the full input
voltage range. Significantly improved performance in sample and hold circuits is achieved since the DC bias current
remains constant with input voltage. The FET input also makes the MSK 0033 very accurate since it produces
extremely low input bias current, input offset voltage and input offset voltage drift specifications. Transistion times in
the range of 2.5 nS make the MSK 0033 fast enough for most high speed voltage follower/buffer amplifier applica-
tions.
EQUIVALENT SCHEMATIC
TYPICAL APPLICATIONS
Sample And Hold
Impedance Buffers For A to D's
High Speed Line Drivers
CRT Deflection Driver
PIN-OUT INFORMATION
1 Positive Driver Power Supply
2 N/C
3 N/C
4 N/C
5 Input
6 Offset Preset
7 Offset Adjust
8 N/C
9 Negative Driver Power Supply
10 Negative Power Supply
11 Output
12 Positive Power Supply
1 Rev. D 9/06
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8001401ZX Даташит, Описание, Даташиты
www.dAatBasSheOet4LuU.coTmE MAXIMUM RATINGS
10
±VCC Supply Voltage ±20V○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ TST Storage Temperature Range -65°C to +150°C
IOUT
Output Current ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ±120mA
TLD
Lead Temperature Range
300°C
○ ○ ○○○○○○○○
VIN
Differential Input Voltage
±20V
(10 Seconds)
TC Case Operating Temperature
TJ
Junction Temperature
175°C
○○○○○○○
○○○○○
(MSK 0033B) ○ ○ ○ ○ ○ ○ ○ -55°C to +125°C RTH Thermal Resistance ○ ○ ○ ○ ○ ○ ○ 65°C/W○ ○ ○ ○ ○
(MSK 0033)
-40°C to +85°C
Junction to Case
Output Devices Only
ELECTRICAL SPECIFICATIONS
Parameter
Test Conditions
Group A
MSK 0033B
MSK 0033
Subgroup Min. Typ. Max. Min. Typ. Max.
Units
STATIC
Supply Voltage Range 3 8
-
±10 ±15 ±18 ±10 ±15 ±18
V
Quiescent Current
VIN=0V
1 - ±19 ±22 - ±19 ±25 mA
INPUT
Offset Voltage
Short Pin 6 to Pin 7 VIN=0V
1
- ±2.0 ±10 -
±5 ±15 mV
Offset Voltage Drift
Offset Adjust
Short Pin 6 to Pin 7 VIN=0V
Pin 6=open RPOT=200From Pin 7 to Pin 9
2,3
1,2,3
- ±25 ±250
Adjust to Zero
-- -
Adjust to Zero
µV/°C
mV
Input Bias Current 9
VCM=0V
1 - ±50 ±100 - ±50 ±500 pA
Either Input
2,3 - ±2 ±10 - ±2 - nA
Input Impedance 3
F=DC
-
-
1012
-
-
10 12
-
Power Supply Rejection Ratio 2
±10VVS±20V
-
65 75
- 60 75
-
dB
Input Noise Density 3
F=10Hz to 1KHz
-
- 1.5 -
- 1.5
- µVRMS
Input Noise Voltage 3
F=1KHz
- - 40 - - 40 - nV/Hz
OUTPUT
Output Voltage Swing
VIN=±14V RL=1K
4 ±12 ±12.5 - ±12 ±12.5 -
V
Output Current
VIN=±10.5V RL=100
4 ±90 ±110 - ±90 ±110 -
mA
Settling Time to 1% 2 3
2V step
- - 25 - - 25 - nS
Bandwidth (-3dB) 3
VIN=1VRMS RL=1K
-
- 140 -
- 140 - MHz
TRANSFER CHARACTERISTICS
Slew Rate
VOUT=±10V
4
1000 1500
- 1000 1500
-
V/µS
Voltage Gain
RS=100VIN=1VRMS F=1KHz
4
0.97 0.99
- 0.95 0.98
-
V/V
NOTES:
1 Unless otherwise specified ±VCC = ±15 VDC.
2 Measured within a high speed amplifier feedback loop.
3 Devices shall be capable of meeting the parameter, but need not be tested. Typical parameters are for reference only.
4 Industrial grade devices shall be tested to subgroups 1 and 4 unless otherwise specified.
5 Military grade devices ('B' suffix) shall be 100% tested to subgroups 1,2,3 and 4.
6 Subgroup 5 and 6 testing available upon request.
7 Subgroup 1,4
TA=TC=+25°C
Subgroup 2,5
TA=TC=+125°C
Subgroup 3,6
TA=TC=-55°C
8 Electrical specifications are derated for power supply voltages other than ±15VDC.
9 Measurement made 0.5 seconds after application of power. Actual DC continuous test limit is 2.5 nA at 25°C.
10 Continuous operation at or above absolute maximum ratings may adversely effect the device performance and/or life cycle.
2
Rev. D 9/06
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8001401ZX Даташит, Описание, Даташиты
www.dataAshPeePt4LuI.cComATION NOTES
HEAT SINKING
To determine if a heat sink is necessary for your application
and if so, what type, refer to the thermal model and governing
equation below.
Thermal Model:
RθSA = ((TJ - TA)/PD) - (RθJC) - (RθCS)
= ((125°C - 80°C) / .64W) - 65°C/W - .15°C/W
= 70.3 - 65.15
= 5.2°C/W
The heat sink in this example must have a thermal resistance
of no more than 5.2°C/W to maintain a junction temperature of
no more than +125°C.
OFFSET VOLTAGE ADJUST
See Figure 1. To externally null the offset voltage, connect a
200potentiometer between Pins 7 and 10 and leave Pin 6
open. If offset null is not necessary, short Pin 6 to Pin 7 and
remove the 200potentiometer. Do not connect Pin 7 to -
Vcc.
Governing Equation:
TJ=PD x (RθJC + RθCS + RθSA) + TA
Where
TJ = Junction Temperature
PD = Total Power Dissipation
RθJC = Junction to Case Thermal Resistance
RθCS = Case to Heat Sink Thermal Resistance
RθSA = Heat Sink to Ambient Thermal Resistance
TC = Case Temperature
TA = Ambient Temperature
TS = Sink Temperature
Example:
CURRENT LIMITING
This example demonstrates a worst case analysis for the buffer
output stage. This occurs when the output voltage is 1/2 the
power supply voltage. Under this condition, maximum power
transfer occurs and the output is under maximum stress.
Conditions:
VCC = ±16VDC
VO = ±8Vp Sine Wave, Freq. = 1KHz
RL = 100
For a worst case analysis we will treat the ±8Vp sine wave
as an 8 VDC output voltage.
1.) Find Driver Power Dissipation
PD = (VCC-VO) (VO/RL)
= (16V-8V) (8V/100)
= 640mW
2.) For conservative design, set TJ=+125°C Max.
3.) For this example, worst case TA=+80°C
4.) RθJC = 65°C/W from MSK 0033B Data Sheet
5.) RθCS = 0.15°C/W for most thermal greases
6.) Rearrange governing equation to solve for RθSA
See Figure 1. If no current limit is required, short Pin 1 to Pin
12 and Pin 9 to Pin 10 and delete Q1 thru Q4 connections. Q1
through Q4 and the Rlim resistors form a current source current
limit scheme and current limit resistor values can be calculated
as follows:
+Rlim Vbe
-Rlim Vbe
Isc Isc
Since current limit is directly proportional to the base-emitter
voltage drop of the 2N2222's and 2N2907's in the current
limit scheme, the current limit value will change slightly with
ambient temperature changes. The base-emitter voltage drop
will decrease as temperature increases causing the actual cur-
rent limit point to decrease.
POWER SUPPLY BYPASSING
Both the negative and the positive power supplies must be
effectively decoupled with a high and low frequency bypass
circuit to avoid power supply induced oscillation. An effective
decoupling scheme consists of a 0.1 microfarad ceramic ca-
pacitor in parallel with a 4.7 microfarad tantalum capacitor from
each power supply pin to ground.
3 Rev. D 9/06
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