• MULTIPLIER-DIVIDER

®
MPY100
MULTIPLIER-DIVIDER
FEATURES APPLICATIONS
q LOW COST q MULTIPLICATION
q DIFFERENTIAL INPUT q DIVISION
q ACCURACY 100% TESTED AND q SQUARING
GUARANTEED q SQUARE ROOT
q NO EXTERNAL TRIMMING REQUIRED q LINEARIZATION
q LOW NOISE: 90µVrms, 10Hz to 10kHz q POWER COMPUTATION
q HIGHLY RELIABLE ONE-CHIP DESIGN q ANALOG SIGNAL PROCESSING
q DIP OR TO-100 TYPE PACKAGE q ALGEBRAIC COMPUTATION
q WIDE TEMPERATURE OPERATION q TRUE RMS-TO-DC CONVERSION
DESCRIPTION
The MPY100 multiplier-divider is a low cost preci- reliable operation with guaranteed accuracies.
sion device designed for general purpose application. Because of the internal reference and pretrimmed
In addition to four-quadrant multiplication, it also accuracies the MPY100 does not have the restrictions
performs analog square root and division without the of other low cost multipliers. It is available in both
bother of external amplifiers or potentiometers. Laser- TO-100 and DIP ceramic packages.
trimmed one-chip design offers the most in highly
X1
V-I
X2
Multiplier Core
Y1
V-I Out
Y2 A
Z1 High Gain
V-I Attenuator Output Amplifier
Z2
International Airport Industrial Park • Mailing Address: PO Box 11400 • Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©
1987 Burr-Brown Corporation PDS-412D Printed in U.S.A. March, 1995
SBFS012
SPECIFICATIONS
At TA = +25°C and ±VS = 15VDC, unless otherwise specified.
MPY100A MPY100B/C MPY100S
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
MULTIPLIER PERFORMANCE
(X1 – X2)(Y1 –Y2)
Transfer Function + Z2 */* *
10
Total Error –10V ≤ X, Y ≤ 10V
Initial TA = +25°C ±2.0 ±1.0/0.5 ±0.5 % FSR
vs Temperature –25°C ≤ TA ≤ +85°C ±0.017 ±0.05 ±0.008/0.008 ±0.02/0.02 % FSR/°C
vs Temperature –55°C ≤ TA ≤ +125°C ±0.025 ±0.05 % FSR/°C
vs Supply(1) ±0.05 */* * % FSR/%
Individual Errors
Output Offset
Initial TA = +25°C ±50 ±100 ±10/7 ±50/25 ±7 ±50 mV
vs Temperature –25°C ≤ TA ≤ +85°C ±0.7 ±2.0 ±0.7/0.3 ±2.0/±0.7 mV/°C
vs Temperature –55°C ≤ TA ≤ +125°C ±0.3 ±0.7 mV/°C
vs Supply(1) ±0.25 */* * mV/%
Scale Factor Error
Initial TA = +25°C ±0.12 */* * % FSR
vs Temperature –25°C ≤ TA ≤ +85°C ±0.008 */* % FSR/°C
vs Temperature –55°C ≤ TA ≤ +125°C ±0.008 % FSR/°C
vs Supply(1) ±0.05 */* * % FSR %
Nonlinearity
X Input X = 20Vp-p; Y = ±10VDC ±0.08 */* * % FSR
Y Input Y = 20Vp-p: X = ±10VDC ±0.08 */* * % FSR
Feedthrough f = 50Hz
X Input X = 20Vp-p; Y = 0 100 30/30 30 mVp-p
Y Input Y = 20Vp-p; X = 0 6 */* * mVp-p
vs Temperature –25°C ≤ TA ≤ +85°C 0.1 */* mVp-p/°C
vs Temperature –55°C ≤ TA ≤ 125°C 0.1 mVp-p/°C
vs Supply(1) 0.15 */* * mVp-p/%
DIVIDER PERFORMANCE
Transfer Function X1 > X2 10(Z2 – Z1) */* *
+ Y1
(X1 – X2)
Total Error (with X = 10V
external adjustments) –10V ≤ Z ≤ +10V ±1.5 ±0.75/0.35 ±0.35 % FSR
X = 1V
–1V ≤ Z ≤ +1V ±4.0 ±2.0/1.0 ±1.0 % FSR
+0.2V ≤ X ≤ +10V
–10V ≤ Z ≤ +10V ±5.0 ±2.5/1.0 ±1.0 % FSR
SQUARER PERFORMANCE
Transfer Function (X1 – X2)2 */* *
+ Z2
10
Total Error –10V ≤ X ≤ +10V ±1.2 ±0.6/0.3 ±0.3 % FSR
SQUARE ROOTER PERFORMANCE
Transfer Function Z 1 < Z2 +√10(Z2 – Z1) + X2 */* *
Total Error 1V ≤ Z ≤ 10V ±2 ±1/0.5 ±0.5 % FSR
AC PERFORMANCE
Small-Signal Bandwidth 550 */* * kHz
% Amplitude Error Small-Signal 70 */* * kHz
% (0.57°) Vector Error Small-Signal 5 */* * kHz
Full Power Bandwidth |VO| = 10V, RL = 2kΩ 320 */* * kHz
Slew Rate |VO| = 10V, RL = 2kΩ 20 */* * V/µs
Settling Time ε = ±1%, ∆VO = 20V 2 */* * µs
Overload Recovery 50% Output Overload 0.2 */* * µs
INPUT CHARACTERISTICS
Input Voltage Range
Rated Operation ±10 */* * V
Absolute Maximum ±VCC */* * V
Input Resistance X, Y, Z(2) 10 */* * MΩ
Input Bias Current X, Y, Z 1.4 */* * µA
OUTPUT CHARACTERISTICS
Rated Output
Voltage IO = ±5mA ±10 */* * V
Current VO = ±10V ±5 */* * mA
Output Resistance f = DC 1.5 */* * Ω
®
MPY100 2
SPECIFICATIONS (CONT)
At TA = +25°C and ±VS = 15VDC, unless otherwise specified.
MPY100A MPY100B/C MPY100S
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
OUTPUT NOISE VOLTAGE X=Y=0
fO = 1Hz 6.2 */* * µV/√Hz
fO = 1kHz 0.6 */* * µV/√Hz
l/f Corner Frequency 110 */* * Hz
fB = 5Hz to 10kHz 60 */* * µVrms
fB = 5Hz to 5MHz 1.3 */* * mVrms
POWER SUPPLY REQUIREMENTS
Rated Voltage ±15 */* * VDC
Operating Range Derated Performance ±8.5 ±20 */* */* * * VDC
Quiescent Current ±5.5 */* * mA
TEMPERATURE RANGE (Ambient)
Specification –25 +85 */* */* –55 +125 °C
Operating Range Derated Performance –55 +125 */* */* * * °C
Storage –65 +150 */* */* * * °C
* Same as MPY100A specification.
*/* B/C grades same as MPY100A specification.
NOTES: (1) Includes effects of recommended null pots. (2) Z2 input resistance is 10MΩ, typical, with VOS pin open. If VOS pin is grounded or used for optional offset
adjustment, the Z2 input resistance may be as low as 25kΩ
PIN CONFIGURATIONS
Top View DIP Top View TO-100
Y2
Z1 1 14 +VCC 10
Y1 VOS
1 9
Out 2 13 Y1
+VCC 2 8 Z2
–VCC 3 12 Y2
NC 4 11 VOS Z1 3 7 X2
NC 5 10 Z2
4 6
Out 5 X1
NC 6 9 X2
–VCC
X1 7 8 NC
NOTES: (1) VOS adjustment optional not normally recommended. VOS pin
may be left open or grounded. (2) All unused input pins should be grounded.
NOTES: (1) VOS adjustment optional not normally recommended. VOS pin
may be left open or grounded. (2) All unused input pins should be grounded.
ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS MODEL PACKAGE TEMPERATURE RANGE
Supply ........................................................................................... ±20VDC MPY100AG 14-Pin Ceramic DIP –25°C to +85°C
Internal Power Dissipation(1) .......................................................... 500mW MPY100AM Metal TO-100 –25°C to +85°C
Differential Input Voltage(2) ........................................................... ±40VDC MPY100BG 14-Pin Ceramic DIP –25°C to +85°C
Input Voltage Range(2) ................................................................. ±20VDC MPY100BM Metal TO-100 –25°C to +85°C
Storage Temperature Range ......................................... –65°C to +150°C MPY100CG 14-Pin Ceramic DIP –25°C to +85°C
Operating Temperature Range .................................... –55°C to +125°C MPY100CM Metal TO-100 –25°C to +85°C
Lead Temperature (soldering, 10s) ............................................... +300°C MPY100SG 14-Pin Ceramic DIP –55°C to +125°C
Output Short-circuit Duration(3) ................................................ Continuous MPY100SM Metal TO-100 –55°C to +125°C
Junction Temperature .................................................................... +150°C
NOTES: (1) Package must be derated on θJC = 15°C/W and θJA =
PACKAGE INFORMATION
165°C/W for the metal package and θJC = 35°C/W and θJA = 220°C/ PACKAGE DRAWING
W for the ceramic package. (2) For supply voltages less than ±20VDC, MODEL PACKAGE NUMBER(1)
the absolute maximum input voltage is equal to the supply voltage. (3)
Short-circuit may be to ground only. Rating applies to +85°C ambient MPY100AG 14-Pin Ceramic DIP 169
for the metal package and +65°C for the ceramic package. MPY100AM Metal TO-100 007
MPY100BG 14-Pin Ceramic DIP 169
MPY100BM Metal TO-100 007
MPY100CG 14-Pin Ceramic DIP 169
MPY100CM Metal TO-100 007
MPY100SG 14-Pin Ceramic DIP 169
MPY100SM Metal TO-100 007
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix D of Burr-Brown IC Data Book.
®
3 MPY100
SIMPLIFIED SCHEMATIC
+VCC
A
Z2 Out
25kΩ
X1 X2 Y2 Y1 3.8kΩ Z1
25kΩ
25kΩ 25kΩ 25kΩ 25kΩ 25kΩ 25kΩ
VOS
500µA 500µA 500µA
–VCC
CONNECTION DIAGRAM
+15VDC
+VS
X1 Z1
X2 VO
Out
Y1
(X1 – X2)(Y1 – Y2)
Y2 Z2
VOS –VS 10
(1)
NOTE: (1) Optional component.
100kΩ –15VDC
DICE INFORMATION
PAD FUNCTION
1 Y2
2 VOS
3 Z2
4 X2
5 X1
6 VO
7 Z1
8 +V
9 –V
10 Y1
Substrate Bias: –VCC
MECHANICAL INFORMATION
MILS (0.001") MILLIMETERS
Die Size 107 x 93 ±5 2.72 x 2.36 ±0.13
Die Thickness 20 ±3 0.51 ±0.08
Min. Pad Size 4x4 0.10 x 0.10
Backing Gold
MPY100 DIE TOPOGRAPHY
®
MPY100 4
TYPICAL PERFORMANCE CURVES
At TA = +25°C and ±VS = 15VDC, unless otherwise specified.
TOTAL ERROR vs AMBIENT TEMPERATURE NONLINEARITY vs FREQUENCY
Magnitude of Total Output Error (% of FSR)
10 100
Input Signal = 20Vp-p
10
Nonlinearity (% of FSR)
1
X
1
0.1
Y
0.01
0.1 0.001
–100 –50 0 50 100 150 10 100 1k 10k 100k 1M
Ambient Temperature (°C) Frequency (Hz)
FEEDTHROUGH vs FREQUENCY OUTPUT AMPLITUDE vs FREQUENCY
1000 5
500 Small Signal
Feedthrough Voltage (mVp-p)
Input Signal = 20Vp-p Output Amplitude (dB) 0
200
–5
100
X
50 X Feedthrough
–10
20 Y
–15
10 Y Feedthrough
5 –20
10 100 1k 10k 100k 1M 10M 10k 100k 1M 10M
Frequency (Hz) Frequency (Hz)
LARGE SIGNAL RESPONSE INPUT VOLTAGE FOR LINEAR RESPONSE
10 20
Input 18 Positive Common-Mode
Output Differential
16 Negative Common-Mode
5
Output Voltage (V)
14
Input Range (V)
12
0 10
RL = 2kΩ 8
CL = 150pF 6
–5
4
2
–10 0
0 1 2 3 4 5 0 2 4 6 8 10 12 14 16 18 20
Time (µs) Power Supply Voltage (±VCC)
®
5 MPY100
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°C and ±VS = 15VDC, unless otherwise specified.
COMMON-MODE REJECTION vs FREQUENCY OUTPUT VOLTAGE vs OUTPUT CURRENT
80 25
+25°C
Y = 12Vp-p
–55°C
70 X = ±10VDC
20 VCC = ±20V
Output Voltage (±V)
60 X = 12Vp-p
CMR (dB)
Y = ±10VDC 15 VCC = ±15V
50
VCC = ±10V
10
40
5 VCC = ±8.5V
30
20 0
10 100 1k 10k 100k 1M 10M 0 2 4 6 8 10 12 14 16
Frequency (Hz) Output Current (±mA)
SUPPLY CURRENT vs AMBIENT TEMPERATURE
16
14
12
Supply Current (mA)
5mA Load
10
8
6 Quiescent
4
2
0
–100 –50 0 50 100 150
Ambient Temperature (°C)
®
MPY100 6
THEORY OF OPERATION