LACEM 130MHz, Four Quadrant, HAOMM Current Output Analog Multiplier

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LACEM 130MHz, Four Quadrant, HAOMM Current Output Analog Multiplier

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LACEM 130MHz, Four Quadrant, HAOMM Current Output Analog Multiplier
HA-2557
Features
Multiplication Error 1.5% Input Bias Currents .8µA Input Feedthrough 5MHz -50dB Wide Channel Bandwidth 130MHz Wide Channel Bandwidth 75MHz
Description
HA-2557 monolithic, high speed, four quadrant, analog multiplier constructed Harris' Dielectrically Isolated High Frequency Process. single-ended current output HA-2557 130MHz signal bandwidth 50). High bandwidth distortion make this part ideal component video systems. suitability precision video applications demonstrated further multiplication error (1.5%), feedthrough (-50dB), differential inputs with bias currents (8µA). HA-2557 also well suited mixer circuits well applications sonar, radar, medical imaging equipment. current output HA-2557 allows achieve higher bandwidths than voltage output multipliers. Full scale output current trimmed 1.6mA. internal 2500 feedback resistor also provided accurately convert current, desired, full scale output voltage ±4V. HA-2557 limited multiplication applications only; frequency doubling power detection also possible. MIL-STD-883 compliant product consult HA-2557/883 datasheet.
PACKAGE PDIP SOIC PKG. E16.3 M16.3
Applications
Military Avionics Medical Imaging Displays Video Mixers Sonar Processors Radar Signal Conditioning Voltage Controlled Amplifier Vector Generator
Part Number Information
PART NUMBER HA3-2557-9 HA9P2557-9 TEMP. RANGE (oC)
Pinout
HA-2557 (PDIP, SOIC) VIEW
VREF VYIOB VYIOA VIOUT VXIO VXIOB
Schematic
VBIAS VBIAS IOUT
VXIO
VXIOB
VYIO
VYIOB
CAUTION: These devices sensitive electrostatic discharge. Users should follow proper Handling Procedures. Copyright
Harris Corporation 1998
File Number
2478.6
HA-2557
Absolute Maximum Ratings
Voltage Between Terminals Differential Input Voltage. Output Current
Thermal Information
Thermal Resistance (Typical, Note (oC/W) PDIP Package SOIC Package Maximum Junction Temperature (Die). 175oC Maximum Junction Temperature (Plastic Package) 150oC Maximum Storage Temperature Range -65oC 150oC Maximum Lead Temperature (Soldering 10s) 300oC (SOIC Lead Tips Only)
Operating Conditions
Temperature Range -40oC 85oC
CAUTION: Stresses above those listed "Absolute Maximum Ratings" cause permanent damage device. This stress only rating operation device these other conditions above those indicated operational sections this specification implied.
NOTE: measured with component mounted evaluation board free air.
Electrical Specifications
PARAMETER MULTIPLIER PERFORMANCE Transfer Function
VSUPPLY ±15V, Unless Otherwise Specified TEMP. (oC) HA-2557-9 UNITS
TEST CONDITIONS
-10kV Full Full ±4V, Full Scale ±3V, Full Scale Full Full Full Full Note 1kHz 100kHz Full Full Full 0.003 0.05 0.03 ±1.6 0.25 %/oC µV/oC nV/Hz nV/Hz
Multiplication Error (Note Multiplication Error Drift Scale Factor Linearity Error CHARACTERISTICS Small Signal Bandwidth (-3dB) 200mVP-P, 200mVP-P, Rise Time Propagation Delay Feedthrough (Note THD+N SIGNAL INPUT Input Offset Voltage Average Offset Voltage Drift Input Bias Current Input Offset Current Differential Input Resistance Differential Input Range CMRR Voltage Noise (Pin GND) OUTPUT CHARACTERISTICS Output Offset Current Full Scale Output Compliance Voltage Full Scale Output Current VOUT -80mV +80mV, 5MHz 10kHz, 1VRMS,
HA-2557
Electrical Specifications
PARAMETER Output Resistance Output Capacitance Internal Resistor (RZ) POWER SUPPLY +PSRR -PSRR Supply Current NOTES: Error percent full scale, 16µA. VXCM ±10V, VYCM +9V, -10V. Relative full scale output. ±12V ±17V ±12V ±17V Full Full Full ±10V VSUPPLY ±15V, Unless Otherwise Specified (Continued) TEMP. (oC) Full HA-2557-9 2425 2375 2500 2500 2575 2625 UNITS
TEST CONDITIONS
Test Circuit Waveform
-15V VOUT +15V
Vertical Scale: 5V/Div. Bottom: 100mV/Div. Horizontal Scale: 20ns/Div. TRANSIENT RESPONSE
FIGURE TRANSIENT RESPONSE TEST CIRCUIT
Application Information
Operation Reduced Supply Voltages HA-2557 will operate over range supply voltages, ±15V. supply voltages below ±12V will reduce input output voltage ranges. "Typical Performance Curves" more information. range particularly useful video applications. input voltage range reduced ±1.4V limiting fullscale output current. Another current output option HA-2556 voltage output multiplier configured current output with output sensing resistor (Refer HA-2556 data sheet). Offset Adjustment channel offset voltage nulled using potentiometer between VYIO VXIO adjust connecting wiper Reducing channel offset voltage will reduce feedthrough improve multiplication error. Theory Operation HA-2557 creates output current that product input voltages divided constant scale factor 10kV. resulting output correct polarity each four quadrants defined combinations positive negative inputs. This results following equation, where high impedance differential inputs:
-10kV
accomplish this differential input voltages first converted into differential currents input transconductance stages. currents then scaled constant reference combined multiplier core. multiplier core basic Gilbert Cell that produces differential output current proportional product input signal currents. This current converted into output HA-2557. purpose reference circuit provide stable current, used setting scale factor. This achieved with bandgap reference circuit produce temperature stable voltage 1.2V which forced across NiCr resistor. Slight adjustments scale factor possible overriding internal reference with VREF pin. scale factor used
HA-2557
maintain output multiplier within normal operating range ±1.6mA when full scale inputs applied.
ACOS()
Typical Applications
Communication Applications multiplier function HA-2557 applications Signal Generation, Synchronous Detection Phase Detection. These circuit configurations shown Figure Figure Figure feeding signal into both inputs Square function results that useful Frequency Doubler shown Figure HA-2557 particularly useful applications that require interaction high speed signals. Both inputs have similar wide bandwidth input characteristics. This unlike earlier products where input dedicated slow moving control function required Automatic Gain Control. HA-2557 versatile enough both.
ACOS() AUDIO VX1/10kV CCOS(C) CARRIER
IOUT
1/10kV
10kV
WHICH EVALUATES
FIGURE FREQUENCY DOUBLE
IOUT
Although inputs have similar characteristics, they same. designer should consider input parameters such small signal bandwidth feedthrough most performance from HA-2557. channel faster inputs with small signal bandwidth typically 130MHz verses 75MHz channel. Therefore Signal Generation, best performance will obtained with Carrier applied channel modulation signal (lower frequency) applied channel.
0.01µ -15V IOUT 2.5K 1.0µ +15V 0.01µ
VYAC 20kV
FIGURE SIGNAL GENERATION
SIGNAL
IOUT 1.0µ
1/10kV CARRIER
LIKE FREQUENCY DOUBLER AUDIO CENTERED
VOUT HA-2842 0.1µF
FIGURE SYNCHRONOUS DETECTION
1N914 0.01µF HA-5127 0.1µF 5.6V
ACOS()
IOUT
+15V
1/10kV ACOS(+)
FIGURE AUTOMATIC GAIN CONTROL
20kV
COMPONENT PROPORTIONAL COS()
Automatic Gain Control Figure shows HA-2557 configured Automatic Gain Control application. HA-2842 serves output converter using which trimmed provide accurate Fullscale conversion. Refer Voltage Output
FIGURE PHASE DETECTION
HA-2557
Conversion more details about this function. HA-5127 noise amplifier provides gain control signal input. This control signal sets peak output voltage multiplier match preset reference level. feedback network around HA-5127 provides response time adjustment. High frequency changes peak rejected noise desired signal transmitted. These signals indicate change average peak value therefore gain adjustment needed. Lower frequency changes peak value given gain feedback control input. circuit integrator automatically compensating offset other constant error terms. This multiplier advantage over other circuits, that signal bandwidth affected control signal gain adjustment. Voltage Output Conversion HA-2842 excellent choice perform output current voltage conversion shown Figure combination 400V/µs slew rate 80MHz Gain Bandwidth product will maintain signal dynamics while providing full scale output. HA-2842 also provides hefty output drive capability 100mA. This voltage feedback amplifier takes advantage internal resistor, trimmed provide accurate fullscale conversion. parasitic capacitance negative input HA-2842 must compensated with capacitor from This compensation will also insure that will noise gain crossover frequency, minimum required stability with this device. full power bandwidth curve large signal pulse response this circuit shown Figure Figure respectively. fast slew rate HA-2842 results minimal reduction bandwidth large signals. Another choice converter that takes better advantage wide bandwidth HA-2557, HA5023 Dual 100MHz current feedback amp. optimum bandwidth current feedback obtained with fixed feedback resistor. Therefore scaling conversion convenient value requires stages. Fortunately HA5023 provides wideband amplifiers single Mini-DIP SOIC package, while their current feedback architecture provides signal gain with minimal reduction bandwidth. This circuit configuration shown Figure optimum bandwidth achieved stage with feedback resistor. This voltage then gained second stage provide Fullscale Voltage output with bandwidth excess 90MHz. 10pF capacitor additional resistor improve gain flatness reduce gain peaking. HA5023 also provides excellent Full Power Bandwidth (-3dB 80MHz 3.5VP-P signal). Typical curves this application circuit shown Figures
HA-2842
0.01µ -15V 1.0µ IOUT 2.5K
1.0µ 0.01µ +15V
0.01µ 1.0µ 0.01µ 1.0µ
VOUT
+15V -15V
FIGURE VOLTAGE OUTPUT CONVERSION
0.01µ 2.5K -15V 1.0µ IOUT 10pF
0.01µ +15V
1.0µ
HA5023 (1/2)
0.01µ 1.0µ 0.01µ 1.0µ
HA5023 (1/2)
VOUT
+15V -15V
FIGURE VOLTAGE OUTPUT CONVERSION
HA-2557 Typical Performance Curves
GAIN (dB)
GAIN (dB)
-3dB 77MHz
IOUT INTO 200mVP-P 4VDC FREQUENCY (Hz)
-3dB 131MHz IOUT INTO 200mVP-P 4VDC 100M FREQUENCY (Hz) 100M
FIGURE FIGURE BANDWIDTH
FIGURE FIGURE BANDWIDTH
INTERNAL FEEDBACK RESISTOR, PLUS COMPENSATION CAPACITOR 3.5VP-P 4VDC
GAIN (dB)
-3dB 24.4MHz
100K
100M
FREQUENCY (Hz)
Top: Input Step Bottom: HA-2842 Response FIGURE TRANSIENT RESPONSE HA-2842 CONVERTE
FIGURE HA-2557 INTO HA-2842 CONVERTER FULLPOWER BANDWIDTH
FIRST STAGE USING FEEDBACK RESISTOR, OUTPUT SECOND STAGE (AMP WITH FEEDBACK RESISTOR GAIN RESISTOR PARALLEL WITH 10pF PLUS 220, 200mVP-P, 4VDC
GAIN (dB)
-3dB 94MHz FREQUENCY (Hz) 100M
Top: Input Step Bottom: HA5023 Response FIGURE TRANSIENT RESPONSE HA5023 CONVERTE
FIGURE DRIVING HA5023 CONVERTER BANDWIDTH
HA-2557 Typical Performance Curves
(Continued)
FIRST STAGE USING FEEDBACK RESISTOR, OUTPUT SECOND STAGE (AMP WITH FEEDBACK RESISTOR GAIN RESISTOR PARALLEL WITH
GAIN (dB)
10pF PLUS 220, 200mVP-P 4VDC
-3dB 98MHz
FREQUENCY (Hz) 100M
Top: Input Step Bottom: HA5023 Response FIGURE TRANSIENT RESPONSE HA5023 CONVERTE
FIGURE DRIVING HA5023 CONVERTER BANDWIDTH
FIRST STAGE USING FEEDBACK RESISTOR OUTPUT SECOND STAGE (AMP WITH FEEDBACK RESISTOR GAIN RESISTOR PARALLEL WITH 10pF
FIRST STAGE USING FEEDBACK RESISTOR OUTPUT SECOND STAGE (AMP WITH FEEDBACK RESISTOR GAIN RESISTOR PARALLEL WITH 10pF PLUS 220, 3.5VP-P, 4VDC
GAIN (dB)
PLUS 220, 3.5VP-P, 4VDC GAIN (dB)
-3dB 80MHz
-3dB 80MHz
FREQUENCY (Hz) 100M
FREQUENCY (Hz) 100M
FIGURE DRIVING HA5023 CONVERTER FULLPOWER BANDWIDTH
FIGURE DRIVING HA5023 CONVERTER FULLPOWER BANDWIDTH
OFFSET VOLTAGE (mV) |VIOX| |VIOY| -100
BIAS CURRENT (µA) -100 TEMPERATURE (oC)
TEMPERATURE (oC)
FIGURE INPUT BIAS CURRENT TEMPERATURE
FIGURE OFFSET VOLTAGE TEMPERATURE
HA-2557 Typical Performance Curves
SCALE FACTOR ERROR -0.5 -100
(Continued)
INPUT VOLTAGE RANGE
INPUT INPUT
TEMPERATURE (oC) SUPPLY VOLTAGE (±V)
FIGURE SCALE FACTOR ERROR TEMPERATURE
INPUT
FIGURE INPUT VOLTAGE RANGE SUPPLY VOLTAGE
INPUT
INPUT SUPPLY VOLTAGE (±V)
FIGURE INPUT COMMON MODE RANGE SUPPLY VOLTAGE
HA-2557 Characteristics
DIMENSIONS: mils mils mils METALLIZATION: Type: Aluminum, Copper Thickness: SUBSTRATE POTENTIAL VPASSIVATION: Type: Nitride (Si3N4) over Silox (SiO2, Phos) Nitride Thickness: Silox Thickness: TRANSISTOR COUNT: PROCESS: Bipolar Dielectric Isolation
Metallization Mask Layout
HA-2557
VREF VXIOA VXIOB
VYIOB VYIOA
IOUT

LACEM 130MHz, Four Quadrant, HAOMM Current Output Analog Multiplier

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