Analog Devices

AD7394BCPZ - 12-Bit Serial DAC | Analog Devices

Name: AD7394BCPZ
Brand: Analog Devices
Price: 5.5 USD
Availability: InStock

MPN: AD7394BCPZ ✓ Active

In Stock Ships in 1-3 business days

2.7 V to 5.5 V Vdss 20-Lead LFCSP (4x4 mm) Package

From $5.5 USD / Unit

MOQ: 1 |

Price updated: 2026-08-22

Volume Pricing

Qty	Unit Price	Extended
1	$8.5	$8.50
10	$7.65	$76.50
100	$6.8	$680.00
500	$6.12	$3,060.00
1,000	$5.5	$5,500.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for AD7394BCPZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

AD7394BCPZ-RL7

✅ Drop-In

📦 20-Lead LFCSP

Same die, tape and reel packaging variant

📋 Reference alternative (not in catalog)

AD7394BCPZ-REEL

✅ Drop-In

📦 20-Lead LFCSP

Same die, tape and reel packaging variant

📋 Reference alternative (not in catalog)

AD7394BCPZ-RL

✅ Drop-In

📦 20-Lead LFCSP

Same die, tape and reel packaging variant

📋 Reference alternative (not in catalog)

ℹ️ 5 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

AD7394BCPZ Maximum Ratings & Electrical Characteristics

Resolution	12 bits
Number of Channels	2
Interface	Serial (SPI-compatible)
Supply Voltage	2.7 V to 5.5 V
Output Type	Voltage - Buffered
Settling Time	10 µs (typical)
Output Voltage Range	0 V to VREF
Reference Voltage	0 V to VDD
Power Consumption	1.5 mA (typical)
Operating Temperature	-40°C to +85°C
Package	20-Lead LFCSP (4x4 mm)
Mounting Type	Surface Mount
RoHS Status	Compliant
Lead-Free	Yes
Differential Nonlinearity	±1 LSB (max)

AD7394BCPZ Pin Configuration

Pin 1	VDD — Positive supply voltage
Pin 2	VREF — Reference voltage input
Pin 3	GND — Ground
Pin 4	OUTA — DAC A output
Pin 5	OUTB — DAC B output
Pin 6	SYNC — Active low chip select
Pin 7	SCLK — Serial clock input
Pin 8	SDIN — Serial data input
Pin 9	SDO — Serial data output for daisy chain
Pin 10	CLR — Asynchronous clear input
Pin 11	LDAC — Load DAC latch
Pin 12	PD — Power-down control

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

AD7394BCPZ is suitable for 6 applications: Programmable Voltage Source, Digital Gain and Offset Adjustment, Industrial Process Control, Portable Instrumentation, Audio Volume Control, Motor Control Setpoint.

🔧

Programmable Voltage Source

The AD7394BCPZ provides a precise, digitally controlled voltage output for calibration and test equipment. Its 12-bit resolution and low settling time enable accurate voltage stepping, while the dual channels allow simultaneous generation of two independent voltages. The serial interface simplifies integration with microcontrollers, and the wide supply range supports various system voltages.

Recommended

ADuCM360 (Microcontroller with integrated ADC for feedback) REF192 (Precision voltage reference for DAC reference input)

🔧

Digital Gain and Offset Adjustment

In signal conditioning circuits, the AD7394BCPZ can be used to trim gain and offset of amplifiers. By adjusting the DAC output, the operating point of the amplifier can be set precisely, compensating for component tolerances. The dual channels allow independent adjustment of gain and offset, and the low power consumption is beneficial in multi-channel systems.

Recommended

AD8221 (Instrumentation amplifier for signal conditioning) OP2177 (Precision op-amp for buffer stages)

🏭

Industrial Process Control

The AD7394BCPZ is suitable for industrial control loops where analog setpoints are required. Its 12-bit resolution provides fine control, and the serial interface allows easy isolation using digital isolators. The industrial temperature range ensures reliable operation in factory environments, and the small package saves PCB space in control modules.

Recommended

ADuM1201 (Digital isolator for SPI interface) AD5422 (Current output DAC for 4-20mA loops)

📱

Portable Instrumentation

Battery-powered instruments benefit from the AD7394BCPZ's low power consumption and small footprint. It can generate calibration voltages, set thresholds, or provide analog outputs for displays. The wide supply range allows direct operation from a 3.3V or 5V battery, and the power-on reset ensures safe startup.

Recommended

ADuCM3029 (Ultra-low power microcontroller) ADP150 (Low dropout regulator for power supply)

🎧

Audio Volume Control

In audio systems, the AD7394BCPZ can be used for digital volume control. Its low glitch energy and monotonic behavior ensure smooth volume changes without audible clicks. The dual channels allow independent left and right volume control, and the serial interface is easily controlled by an audio processor.

Recommended

ADAU1701 (Audio DSP for digital signal processing) AD8605 (Low noise op-amp for audio buffering)

🏭

Motor Control Setpoint

The AD7394BCPZ can provide analog setpoints for motor speed or position control. Its fast settling time allows quick updates, and the dual channels can control two motors independently. The industrial temperature range and robust design make it suitable for motor control in factory automation.

Recommended

ADuM4221 (Isolated gate driver for motor drive) AD8412 (Current sense amplifier for feedback)

Recommended Products Summary

ADuCM360 Microcontroller with integrated ADC for feedback Used in: Programmable Voltage Source REF192 Precision voltage reference for DAC reference input Used in: Programmable Voltage Source AD8221 Instrumentation amplifier for signal conditioning Used in: Digital Gain and Offset Adjustment OP2177 Precision op-amp for buffer stages Used in: Digital Gain and Offset Adjustment ADuM1201 Digital isolator for SPI interface Used in: Industrial Process Control AD5422 Current output DAC for 4-20mA loops Used in: Industrial Process Control ADuCM3029 Ultra-low power microcontroller Used in: Portable Instrumentation ADP150 Low dropout regulator for power supply Used in: Portable Instrumentation ADAU1701 Audio DSP for digital signal processing Used in: Audio Volume Control AD8605 Low noise op-amp for audio buffering Used in: Audio Volume Control ADuM4221 Isolated gate driver for motor drive Used in: Motor Control Setpoint AD8412 Current sense amplifier for feedback Used in: Motor Control Setpoint

What is the resolution of the AD7394BCPZ?

The AD7394BCPZ is a 12-bit digital-to-analog converter, providing 4096 discrete output levels. According to the Analog Devices datasheet, it features dual buffered outputs and a serial interface, making it suitable for precision control applications.

What is the supply voltage range for AD7394BCPZ?

The AD7394BCPZ operates from a single 2.7V to 5.5V supply. This wide range allows use in both 3.3V and 5V systems, as stated in the datasheet. The reference input can accept voltages from 0V to VDD, enabling flexible output scaling.

How many channels does the AD7394BCPZ have?

The AD7394BCPZ has two independent DAC channels, each with its own output buffer. This dual-channel configuration is ideal for applications requiring multiple analog outputs, such as gain and offset trimming in signal conditioning circuits.

What is the settling time of AD7394BCPZ?

The AD7394BCPZ has a typical settling time of 10 microseconds for a full-scale step. This fast settling enables high-speed control loops and dynamic waveform generation, as noted in the datasheet.

What is the output voltage range of AD7394BCPZ?

The output voltage range of the AD7394BCPZ is from 0V to the reference voltage (VREF). Since VREF can be set between 0V and VDD, the output can span the full supply range, providing rail-to-rail operation.

What is the power consumption of AD7394BCPZ?

The AD7394BCPZ consumes a typical supply current of 1.5 mA, resulting in low power dissipation. This makes it suitable for battery-powered devices where power efficiency is critical.

What is the package type of AD7394BCPZ?

The AD7394BCPZ is available in a 20-lead LFCSP (lead-frame chip-scale package) measuring 4x4 mm. This compact package is ideal for space-constrained designs and offers good thermal performance.

Is the AD7394BCPZ RoHS compliant?

Yes, the AD7394BCPZ is RoHS compliant and lead-free, as indicated in the datasheet. This ensures compliance with environmental regulations and facilitates use in global markets.

What is the operating temperature range of AD7394BCPZ?

The AD7394BCPZ is specified for operation over the industrial temperature range of -40°C to +85°C. This wide range ensures reliable performance in demanding environments.

What is the interface of AD7394BCPZ?

The AD7394BCPZ uses a serial interface compatible with SPI. It supports daisy-chaining, allowing multiple devices to be controlled with a single chip-select line, simplifying system design.

What are the typical applications of AD7394BCPZ?

Typical applications include programmable voltage sources, digital gain and offset adjustment, and industrial process control. Its low power and small size also make it suitable for portable instrumentation and battery-operated devices.

Does AD7394BCPZ have a power-on reset?

Yes, the AD7394BCPZ includes a power-on reset circuit that sets the output to zero scale on power-up. This prevents unwanted transients and ensures a known state before initialization.

What is the differential nonlinearity of AD7394BCPZ?

The differential nonlinearity (DNL) of the AD7394BCPZ is ±1 LSB maximum, ensuring monotonic behavior. This guarantees that an increase in digital code always results in an increase in output voltage, which is critical for control applications.

Can the AD7394BCPZ drive capacitive loads?

The output buffer of the AD7394BCPZ can drive capacitive loads up to 100 pF without oscillation. For larger loads, an external buffer may be required to maintain stability, as recommended in the datasheet.

What is the price of AD7394BCPZ?

As of 2026-08-22, the AD7394BCPZ is priced at approximately $8.50 for single-unit quantities, with volume pricing available at lower costs. Prices may vary by distributor and quantity.

Engineering reference data for AD7394BCPZ — comparison, design guidance, and compliance information.

Selection Guide

Choose the AD7394BCPZ when you need a dual-channel, 12-bit DAC in a small LFCSP package for space-constrained designs. It is ideal for portable and battery-powered applications due to its low power consumption. If you prefer a through-hole or larger package, consider the AD7394BRZ or AD7394ARZ, but note that they are not pin-compatible with the LFCSP. For applications requiring a single channel, the AD7394BCPZ may be overkill, and a single-channel DAC like the AD7393 could be considered. Always verify pin compatibility and package dimensions before substitution.

Comparison with Alternatives

Parameter	This Product	AD7394BRZ	AD7394ARZ	AD7394BCPZ-RL7
Package	20-Lead LFCSP	20-Lead SOIC	20-Lead SOIC	20-Lead LFCSP
Brand	Analog Devices	Analog Devices	Analog Devices	Analog Devices
Resolution	12 bits	12 bits	12 bits	12 bits
Number of Channels	2	2	2	2
Supply Voltage	2.7V to 5.5V	2.7V to 5.5V	2.7V to 5.5V	2.7V to 5.5V
Settling Time	10 µs	10 µs	10 µs	10 µs
Interface	Serial	Serial	Serial	Serial
Operating Temperature	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C

Key Differentiators

Dual-channel output in a compact LFCSP package (vs AD7394BRZ)
Low power consumption of 1.5 mA (vs AD7394ARZ)
Wide supply voltage range of 2.7V to 5.5V (vs AD7394BRZ)

Design Notes

Decouple the VDD pin with a 0.1 µF ceramic capacitor placed as close as possible to the pin. Additionally, a 10 µF tantalum capacitor may be used for bulk decoupling. The reference input should also be decoupled with a 0.1 µF capacitor to ground to reduce noise.

Use a solid ground plane under the device to minimize noise and ensure accurate performance. Keep digital signals away from the analog output and reference traces. The exposed pad on the LFCSP package should be soldered to the ground plane for thermal and electrical benefits.

Ensure that the reference voltage does not exceed VDD. The output buffer can drive capacitive loads up to 100 pF; for larger loads, add an external buffer. Also, avoid floating the SYNC pin; tie it to VDD or GND as appropriate.