MPY100BM - Precision Multiplier/Divider TO-100 | Texas Instruments
Артикул: MPY100BM ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $24.5 | $24,50 |
| 10 | $22.05 | $220,50 |
| 100 | $19.6 | $1.960,00 |
| 500 | $17.15 | $8.575,00 |
| 1.000 | $14.7 | $14.700,00 |
MPY100BM Обзор
An analog multiplier-divider is a nonlinear signal-processing device that produces an output proportional to the product, quotient, or square root of two input voltages. Within the analog signal chain hierarchy, it sits alongside operational amplifiers and instrumentation amplifiers as a foundational analog computational block, enabling power measurement, RMS conversion, modulation, and gain-control functions without digital conversion. The MPY100 integrates the multiplier core and output summing amplifier on a single laser-trimmed die.
Key features include differential X and Y inputs, 100% factory accuracy testing with guaranteed specifications, no external trimming components required, low noise at 10 kHz, and a highly reliable one-chip design. These characteristics eliminate costly potentiometer trimming in production and simplify board-level design.
Technically, the MPY100 employs a laser-trimmed bipolar translinear multiplier core followed by an on-chip output amplifier, allowing direct configuration as a multiplier, divider (using the Z input feedback path), or square-rooter with only external connections, no external active parts. Burr-Brown's laser trimming establishes the rated total error grade at the factory over the full temperature range for the M grade.
Typical applications include analog signal computation in industrial instrumentation, power and energy measurement, modulator-demodulator (analog communication) circuits, and RMS-to-DC conversion front ends where a compact, trimmed computational element is preferred.
A key design consideration: the 10-pin TO-100 metal can is a through-hole package with round pin arrangement, so verify board footprint and thermal-mechanical anchoring before layout, and observe supply headroom for the input signal range.
This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in the manufacturer datasheet.
Аналоги без доработки для MPY100BM — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MPY100BM (тот же форм-фактор и посадочное место) — отличается по Function, Package, Accuracy, Mounting Type, Design.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MPY100AM
✅ Прямая замена✓ В наличии
$8.25 / шт.
Открыть даташит →MPY100AG
✅ Прямая замена✓ В наличии
Уточнить цену
Открыть даташит →MPY100BG
✅ Прямая замена✓ В наличии
$11.1 / шт.
Открыть даташит →MPY100BM-BS
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MPY100BM Максимальные параметры и электрические характеристики
| Функция | Analog Multiplier / Divider / Square-Rooter |
| Configuration | Four-Quadrant Multiplier |
| Technology | Bipolar (laser trimmed) |
| Nominal Supply Voltage | 15 V |
| Minimum Supply Voltage (Vsup) | 8.5 V |
| Nominal Bandwidth | 0.55 kHz |
| Number of Terminals | 10 |
| Корпус | TO-100 metal can, round, through-hole |
| Surface Mount | No |
| Max Operating Temperature | 85 C |
| Temperature Grade | Other (per distributor data) |
| Accuracy | 100% tested and guaranteed (per datasheet features) |
| External Trimming | Not required |
| Noise | Low noise, specified at 10 kHz (per datasheet features) |
| Тип монтажа | Through-Hole |
Руководство по цоколевке MPY100BM в корпусе to-100 metal can, round, through-hole
Цоколевка для MPY100BM (корпус to-100 metal can, round, through-hole). Этот аналоговый компонент имеет выводы входа, выхода и питания. Обратитесь к техническому описанию производителя для конфигураций выводов балансировки нуля, коррекции и разрешения. Идеально подходит для схем обработки сигналов и усилителей.
Нет подробных данных о распиновке для MPY100BM.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
MPY100BM подходит для 6 применениеs: Analog Power Measurement, Industrial Instrumentation Signal Computation, RMS-to-DC Conversion Front Ends, Modulator / Demodulator Circuits, Voltage-Controlled Gain (AGC) Stages, Legacy Test Equipment Repair and Maintenance.
Analog Power Measurement
The MPY100BM's four-quadrant multiplier core directly computes instantaneous power as the product of a voltage sense signal and a current sense signal, making it a natural fit for analog power metering in industrial instrumentation. Because the die is laser trimmed and accuracy is 100% factory tested, no calibration potentiometers are needed on the production line, reducing build cost and drift. With a nominal bandwidth of 0.55 kHz and +/-15V nominal supplies, the device handles DC and line-frequency power computation; the designer should ensure the input signals stay within the datasheet transfer range and buffer the current-shunt signal with a low-offset instrumentation amplifier ahead of the X input for best accuracy.
Рекомендуется
Industrial Instrumentation Signal Computation
In analog instrumentation racks and legacy industrial controllers, the MPY100BM provides multiply, divide, and square-root functions such as flow square-root extraction from differential pressure (DP) transmitters, ratio computation, and percent-of-span scaling. The one-chip laser-trimmed design replaces multi-op-amp discrete multiplier circuits and their trim networks, and the TO-100 metal can provides good shielding against industrial EMI when grounded. The 10-pin through-hole package suits maintenance-friendly rack cards, and the 0.55 kHz nominal bandwidth comfortably covers slow process variables. Designers should observe the 8.5V minimum supply requirement and use stable +/-15V rails for guaranteed accuracy grades over the -25C to +85C operating range.
Рекомендуется
RMS-to-DC Conversion Front Ends
A classic MPY100 application is the analog RMS computation chain: the multiplier squares the input signal, a low-pass filter averages the square, and a second multiplier (or the same device in feedback configuration) takes the square root to produce a DC output proportional to true RMS. The MPY100BM supports both the squaring and square-rooting roles in a single package, and its laser-trimmed accuracy transfers directly into RMS accuracy. With the 0.55 kHz nominal bandwidth, this front end targets low-frequency AC measurements such as line monitoring and audio-band metering rather than RF. Pair the device with a precision integrator op-amp for the averaging filter and a stable voltage reference for output scaling.
Рекомендуется
Modulator / Demodulator Circuits
The MPY100BM implements balanced modulators and synchronous demodulators by multiplying a carrier signal with a data or reference signal; four-quadrant operation preserves signal polarity through the multiplication, which single-quadrant multipliers cannot do. The low-noise behavior specified at 10 kHz supports clean carrier suppression in low-frequency communication and lock-in measurement systems. Given the 0.55 kHz nominal bandwidth from distributor data, this application is limited to very low carrier frequencies and chopper-style synchronous detection. Use AC coupling and center the carrier within the input common-mode range; the metal can package aids shielding in sensitive detector front ends, and no external trim networks are needed thanks to factory laser trimming.
Рекомендуется
Voltage-Controlled Gain (AGC) Stages
By applying a control voltage to one multiplier input, the MPY100BM forms an analog voltage-controlled amplifier for automatic gain control (AGC) loops in receivers, test equipment, and audio processing chains. The transfer function gives a linear-in-control-voltage gain law, which simplifies AGC loop design compared with exponential VGA parts, and the differential inputs allow the control signal to be referenced independently. The 0.55 kHz nominal bandwidth restricts this use to baseband and control signals; the laser-trimmed core keeps gain constant across units without per-board adjustment. Designers should include the datasheet-recommended output configuration and consider offset-nulling the Z path for wide dynamic-range AGC applications.
Рекомендуется
Legacy Test Equipment Repair and Maintenance
Because the MPY100BM is a TO-100 metal can through-hole part produced by Burr-Brown and later Texas Instruments, it appears frequently in legacy analog computation modules, curve tracers, analog computers, and vintage test instrumentation now entering the repair market. The MPY100BM remains procurable through marketplace distributors (Octopart lists 5 sources), and same-package family grades MPY100AM, MPY100AG, MPY100BG, and MPY100BM-BS provide substitution paths when exact-grade stock is exhausted. When substituting, verify the accuracy grade in the service manual, since grades differ in guaranteed error; the pinout and external configuration are unchanged across the family, keeping the repair drop-in at board level.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MPY100BM — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MPY100AM | MPY100AG | MPY100BG | MPY100BM-BS |
|---|---|---|---|---|---|
| Package | TO-100 (10-pin metal can, round, through-hole) | TO-100 (10-pin metal can) - same | TO-100 (10-pin metal can) - same | TO-100 (10-pin metal can) - same | TO-100 (10-pin metal can) - same |
| Brand | Texas Instruments (Burr-Brown) | Texas Instruments (Burr-Brown) | Texas Instruments (Burr-Brown) | Texas Instruments (Burr-Brown) | Texas Instruments (Burr-Brown) |
| Function | Four-quadrant multiplier / divider / square-rooter | Four-quadrant multiplier / divider / square-rooter | Four-quadrant multiplier / divider / square-rooter | Four-quadrant multiplier / divider / square-rooter | Four-quadrant multiplier / divider / square-rooter |
| Technology | Bipolar, laser trimmed | Bipolar, laser trimmed | Bipolar, laser trimmed | Bipolar, laser trimmed | Bipolar, laser trimmed |
| Nominal Supply Voltage | 15 V | 15 V | 15 V | 15 V | 15 V |
| Accuracy Grade | B grade (higher guaranteed accuracy) | A grade (lower guaranteed accuracy) | A grade (lower guaranteed accuracy) | B grade | B grade |
Ключевые отличия
- B accuracy grade with higher guaranteed accuracy (против MPY100AG)
- Factory 100% tested, trim-free operation (против MPY100BM-BS)
- TO-100 metal can shielding (против MPY100AG (DIP package variant))
Заметки по проектированию
Power the MPY100BM from regulated dual supplies at the nominal +/-15V condition, since the guaranteed accuracy grades are specified there and distributor data lists 8.5V as the minimum Vsup. Decouple each supply pin with 0.1uF ceramics placed close to the TO-100 pins, and add 10uF bulk capacitance per rail. The metal can should be tied to a clean analog ground to act as an EMI shield. Estimated: at +/-15V with typical quiescent current in the few-mA range, dissipation stays well under a few hundred milliwatts, so no heatsinking is required - but verify against the datasheet supply-current figure before finalizing.
The MPY100BM is a legacy EOL Burr-Brown part and Jotrin lists the MPY634 as the replacement direction, but the MPY634 is a different package and pinout - it is NOT a drop-in replacement. When buying remaining stock, watch for re-marked or pulled parts, since vintage multiplier cans are a common counterfeit target. Also note the divider configuration has a restricted input range near zero (division-by-near-zero produces large output swings), so clamp or limit the denominator input per the datasheet divider connection diagram.
The TO-100 metal can is a through-hole, round-pin package that is not directly compatible with DIP footprints; confirm your land pattern against the can's 10-pin circular arrangement before layout. Anchor the can mechanically (retain the socket or a metal clip) because through-hole multiplier cans in industrial equipment are prone to stress fractures at the pin welds under vibration. Keep the X, Y, and Z input traces short and guard them with ground to preserve the low-noise performance specified at 10 kHz, and keep the output summing-node node area compact.
With a nominal bandwidth of only 0.55 kHz per distributor parametric data, do not attempt to close high-speed feedback loops around the MPY100BM; the divider configuration in particular is prone to instability if the loop bandwidth exceeds the device bandwidth. Add the datasheet-recommended compensation capacitor in divider and square-root modes, and band-limit input signals with a simple RC filter ahead of the inputs to prevent high-frequency feedthrough from appearing at the output un-multiplied.
Информация о соответствии
MPY100BM is a legacy Burr-Brown-era part; the verified web data does not state RoHS/REACH or lead-free status. Through-hole metal-can parts of this generation typically predate RoHS and may contain lead in pin finish - verify with the supplier before specifying into EU-market products.
