| Package | 24-Lead PDIP (N-24) for AD7837ANZ |
| Slew rate | 11 V/µs typ |
| Resolution | 12 bit |
AD7837ANZ представляет собой двухканальный 12-разрядный умножающий ЦАП с интегрированными выходными ОУ и интерфейсом для 8‑разрядной шины данных.
Обеспечивает 4‑квадрантное перемножение и выходной диапазон до ±10 V на нагрузке 2 kΩ.
Выполнен по технологии LC2MOS с низкими ошибками линейности и дрейфа.
Поддерживает промышленный температурный диапазон и питание от двухполярных источников ±15 V.
| Package | 24-Lead PDIP (N-24) for AD7837ANZ |
| Slew rate | 11 V/µs typ |
| Resolution | 12 bit |
| Data format | Right-justified binary |
| Output type | Voltage output with integrated amplifier |
| Architecture | Multiplying DAC, segmented (2 MSB decode + 10-bit R-2R) |
| Logic inputs | CS, WR, A0, A1, LDAC |
| Interface type | 8-bit parallel, double-buffered with LDAC |
| ESD sensitivity | ESD sensitive device |
| Digital crosstalk | 1 nV secs typ |
| Gain error tempco | ±2 ppm of FSR/°C typ |
| DC output impedance | 0.2 Ω typ |
| Digital feedthrough | 1 nV secs typ |
| Gain error @ +25°C | ±4 LSB max (±2 LSB max for B version) |
| Full power bandwidth | 175 kHz typ |
| Output voltage swing | ±10 V across 2 kΩ load |
| Digital input current | ±1 µA max |
| Short circuit current | 11 mA typ |
| Number of DAC channels | 2 |
| Zero code offset tempco | ±5 µV/°C typ |
| Supply voltage VDD range | 14.25 V to 15.75 V |
| Supply voltage VSS range | -14.25 V to -15.75 V |
| Differential nonlinearity | ±1 LSB max |
| Digital input capacitance | 8 pF max |
| Multiplication capability | 4-quadrant multiplication (bipolar configuration) |
| Storage temperature range | -65 °C to +150 °C |
| Total harmonic distortion | -88 dB typ (VREF = 6 V rms, 1 kHz) |
| Reference input resistance | 10 kΩ typ (8/13 kΩ min/max) |
| Typical application supply | VDD = +15 V, VSS = -15 V |
| Typical load used in specs | RL = 2 kΩ, CL = 100 pF |
| Gain error over temperature | ±5 LSB max (±3 LSB max for B version) |
| Negative supply current ISS | 3 mA typ, 6 mA max |
| Positive supply current IDD | 5 mA typ, 8 mA max |
| Power derating above +75°C | 10 mW/°C |
| Multiplying feedthrough error | -90 dB typ at 10 kHz, 20 V p-p |
| Reference input voltage range | VSS – 0.3 V to VDD + 0.3 V |
| Relative accuracy (A version) | ±1 LSB max |
| Relative accuracy (B version) | ±1/2 LSB max |
| Relative accuracy (S version) | ±1 LSB max |
| Absolute maximum VDD to ground | -0.3 V to +17 V |
| Absolute maximum VSS to ground | +0.3 V to -17 V |
| Digital input low voltage VINL | 0.8 V max |
| Digital input high voltage VINH | 2.4 V min |
| Zero code offset error @ +25°C | ±2 mV max |
| Digital-to-analog glitch impulse | 10 nV secs typ |
| VREFA, VREFB resistance matching | ±2% max |
| Unity gain small signal bandwidth | 750 kHz typ |
| Model specific grade for AD7837ANZ | AD7837AN corresponds to A version, PDIP, ±1 LSB |
| Maximum power dissipation at +75°C | 1000 mW |
| Operating temperature range S version | -55 °C to +125 °C |
| Power supply rejection ∆Gain/∆VDD | ±0.01% per % max |
| Power supply rejection ∆Gain/∆VSS | ±0.01% per % max |
| Output noise voltage (0.1 Hz to 10 Hz) | 2 µV rms typ |
| Typical reference voltage used in specs | +10 V |
| Zero code offset error over temperature | ±4 mV max (±3 mV max for B version) |
| Functional operation at reduced supplies | VDD/VSS = ±12 V functional |
| Operating temperature range A, B versions | -40 °C to +85 °C |
| Voltage output settling time to ±1/2 LSB | 3 µs typ, 5 µs max |
| Channel-to-channel isolation (VREFA to VOUTB / VREFB to VOUTA) | -95 dB typ at 10 kHz, 20 V p-p |
Предлагаем ЦАП Analog Devices AD7837ANZ, 12-разрядный, двухканальный умножающий на выгодных условиях с полной технической поддержкой. Проверим наличие, поможем подобрать аналог.
Получить коммерческое предложение или оформить заказ:
8 800 301-96-04 info@fregat.ru
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