Analog Devices Inc. AD5750BCPZ-REEL7

Overview

AD5750BCPZ-REEL7 from Analog Devices is a single-channel, precision industrial current/voltage output driver with software-programmable ranges, supporting 4 mA to 20 mA, ±20 mA, 0 V to 10 V, and ±10 V outputs. It delivers ±0.03% FSR total unadjusted error (TUE), ±5 ppm/°C current drift, and ±3 ppm/°C voltage drift, operating across −40°C to +105°C for PLC analog output modules and process control actuators.

For engineers reviewing the AD5750BCPZ-REEL7 datasheet, AD5750BCPZ-REEL7 pinout, AD5750BCPZ-REEL7 application, or AD5750BCPZ-REEL7 equivalent, key selection criteria include programmable bipolar/unipolar output ranges, SPI/MICROWIRE-compatible interface with CRC-8 packet error checking, on-chip fault detection (open/short-circuit, overtemperature), and ±12 V to ±24 V dual-supply operation with loop compliance to AVDD − 2.75 V.

Technical Context

The AD5750BCPZ-REEL7 implements a digitally controlled, high-accuracy output stage that accepts a buffered 0 V to 4.096 V analog input (VIN) and conditions it for precise current or voltage delivery. Its architecture integrates separate current-sense and voltage-buffer paths, with internal RSET option and external REXT1/REXT2 support for optimized temperature drift performance.

It operates in software mode (HW SELECT = 0), using an SPI-compatible 3-wire serial interface with SYNC, SCLK, and SDIN/SDO, enabling register-based configuration of output range, overrange, CLEAR behavior, and fault reporting. The device includes asynchronous CLEAR, power-on reset to 0 V or tristate, and open-drain FAULT/TEMP and VFAULT pins for system-level diagnostics.

Key Specifications

Pinout & Package

AD5750BCPZ-REEL7 is housed in a 32-lead, 5 mm × 5 mm LFCSP package with exposed paddle tied to AVSS. Pin functions are validated per Analog Devices Rev. F datasheet (Page 11).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar industrial I/V output driver applications.

Compared with AD5750BCPZ-REEL7, AD5751BCPZ-REEL7 removes the need for AVSS but sacrifices bipolar current capability and thermal drift performance, while AD5422ACPZ-REEL7 adds DAC integration at the cost of layout complexity and reduced voltage flexibility.

Availability

AD5750BCPZ-REEL7 is available at Aetrix Electronics and suitable for PLC analog output modules, process controller actuator interfaces, and industrial data acquisition systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for AD5750BCPZ-REEL7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.

The AD5750BCPZ-REEL7 belongs to Analog Devices' industrial precision output driver product line, designed specifically for programmable, fault-aware analog output stages in programmable logic controllers and distributed control systems.

FAQ

What output ranges does the AD5750BCPZ-REEL7 support in software mode?

The AD5750BCPZ-REEL7 supports five current output ranges (4–20 mA, 0–20 mA, 0–24 mA, ±20 mA, ±24 mA) and four voltage output ranges (0–5 V, 0–10 V, ±5 V, ±10 V), all configurable via SPI registers. Voltage ranges include 20% overrange (e.g., 0–12 V), and current ranges offer 2% overrange on unipolar modes. These settings are stored in internal mode registers and persist across power cycles when configured in software mode.

How does the AD5750BCPZ-REEL7 handle fault conditions like open-circuit or short-circuit?

The AD5750BCPZ-REEL7 integrates real-time fault detection: open-circuit on IOUT triggers FAULT/TEMP pin assertion, short-circuit on VOUT activates SDO/VFAULT, and overtemperature pulls both low. All faults generate status bits readable via SPI, and the device continues normal operation unless latched. This allows AD5750BCPZ-REEL7 to maintain system visibility without disabling output channels during transient faults.

Can the AD5750BCPZ-REEL7 operate with only a single positive supply?

No, the AD5750BCPZ-REEL7 requires dual analog supplies: AVDD (+12 V to +24 V) and AVSS (−12 V to −24 V). It lacks single-supply architecture; attempting operation with AVSS grounded or unconnected violates absolute maximum ratings and causes functional failure. For single-supply alternatives, consider the AD5751BCPZ-REEL7, which is pin- and functionally distinct from AD5750BCPZ-REEL7.

What is the role of the HW SELECT pin on the AD5750BCPZ-REEL7?

On the AD5750BCPZ-REEL7, the HW SELECT pin must be held low (0 V) to enable software mode - the only supported configuration for this variant. In software mode, all output range, fault response, and overrange settings are controlled via SPI commands. Leaving HW SELECT high configures hardware mode, which is incompatible with AD5750BCPZ-REEL7's default programming model and will prevent proper initialization.

Does the AD5750BCPZ-REEL7 require external compensation components for stable operation?

Yes, the AD5750BCPZ-REEL7 requires external compensation capacitors between COMP1 and COMP2 pins when driving capacitive loads >220 pF or inductive loads >0.1 H. The datasheet specifies capacitor values based on load type and settling time requirements; omitting them risks overshoot, ringing, or instability. No compensation is needed for standard 2 kΩ || 220 pF test loads, but industrial field wiring often necessitates these components for robustness.