AD7606BSTZ-6RL - 16-Bit 6-Ch Simultaneous Sampling ADC | Analog Devices
MPN: AD7606BSTZ-6RL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $40.67 | $40.67 |
| 10 | $38.5 | $385.00 |
| 100 | $35.2 | $3,520.00 |
| 500 | $32.1 | $16,050.00 |
| 1,000 | $29.8 | $29,800.00 |
AD7606BSTZ-6RL Overview
A data acquisition system (DAS) is a complete signal chain that conditions, samples, and converts analog signals into digital data for processing. The AD7606BSTZ-6RL is a specific type of DAS that combines multiple analog front-end components into a single IC, reducing board space and design complexity. It belongs to the family of simultaneous sampling ADCs, which capture all channels at the same instant, preserving phase relationships between channels—critical for applications like three-phase power monitoring where phase accuracy is essential.
Key features include a 200 kSPS throughput rate per channel, 16-bit resolution with no missing codes, and a flexible digital filter that can be configured for different output word rates. The device supports multiple interface options: parallel, serial, SPI, QSPI, MICROWIRE, and DSP-compatible serial interfaces, providing design flexibility. The integrated 2.5 V reference and buffer eliminate the need for external reference components, simplifying the BOM. The analog input clamp protection ensures robustness against overvoltage conditions up to ±16.5 V.
Technically, the AD7606BSTZ-6RL uses a charge redistribution successive approximation architecture, which offers excellent linearity and low power consumption. The second-order antialiasing filter provides -80 dB attenuation at the Nyquist frequency, reducing the need for external filtering. The device operates over the industrial temperature range of -40°C to +85°C and is available in a 64-lead LQFP (10x10 mm) package, suitable for space-constrained designs.
Typical applications include power line monitoring, protective relays, motor control, and multi-phase data acquisition systems. The simultaneous sampling capability ensures accurate phase measurement, while the high input impedance and integrated protection make it robust for harsh industrial environments.
When designing with this device, ensure proper decoupling of the AVCC and DVCC supplies with 10 µF and 0.1 µF capacitors placed close to the pins. The REFIN/REFOUT pin can be overdriven with an external reference if higher accuracy is required, but the internal 2.5 V reference is sufficient for most applications.
Drop-in alternatives for AD7606BSTZ-6RL — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with AD7606BSTZ-6RL (same form factor and footprint) — differing in Number of Channels, Input Type, Sampling Rate, Input Voltage Range, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AD7606BSTZ-6
✅ Drop-In📋 Reference alternative (not in catalog)
AD7606BSTZ
✅ Drop-In✓ In Stock
$16.9 / Unit
View Datasheet →AD7606B
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AD7606-6
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AD7606-4
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
AD7606BSTZ-6RL Maximum Ratings & Electrical Characteristics
| Resolution | 16 bit |
| Number of Channels | 6 |
| Sampling Rate | 200 kSPS |
| Input Type | Bipolar |
| Input Voltage Range | ±10 V, ±5 V, ±2.5 V |
| Interface Type | Parallel, Serial, SPI, QSPI, MICROWIRE, DSP |
| Supply Voltage - Analog | 5 V |
| Supply Voltage - Digital | 2.3 V to 5 V |
| Reference Voltage | 2.5 V internal |
| Operating Temperature Range | -40°C to +85°C |
| Package | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
| Input Impedance | 1 MΩ |
AD7606BSTZ-6RL Pin Configuration
| Pin 1 | V1 — Analog input channel 1 |
| Pin 2 | V2 — Analog input channel 2 |
| Pin 3 | V3 — Analog input channel 3 |
| Pin 4 | V4 — Analog input channel 4 |
| Pin 5 | V5 — Analog input channel 5 |
| Pin 6 | V6 — Analog input channel 6 |
| Pin 7 | AVCC — Analog supply voltage (5 V) |
| Pin 8 | DVCC — Digital supply voltage (2.3 V to 5 V) |
| Pin 9 | GND — Ground |
| Pin 10 | REFIN/REFOUT — Reference input/output (2.5 V) |
| Pin 11 | CS — Chip select (active low) |
| Pin 12 | SCLK — Serial clock input |
| Pin 13 | DOUTA — Serial data output A |
| Pin 14 | DOUTB — Serial data output B |
| Pin 15 | BUSY — Busy output (conversion in progress) |
| Pin 16 | RESET — Reset input (active high) |
Typical Applications
AD7606BSTZ-6RL is suitable for 6 applications: Power Line Monitoring, Motor Control, Protective Relays, Data Acquisition Systems, Three-Phase Power Quality Analyzers, Industrial Automation.
Power Line Monitoring
The AD7606BSTZ-6RL is ideal for power line monitoring systems that require simultaneous sampling of multiple voltage and current channels. Its 6-channel capability allows monitoring of three-phase voltages and currents with precise phase alignment. The 16-bit resolution and 200 kSPS sampling rate capture harmonics up to the 40th order, while the ±10 V input range directly interfaces with voltage transformers and current transducers. The integrated antialiasing filter simplifies external filtering, and the 1 MΩ input impedance minimizes loading on the measurement circuit. The device's robust input clamp protection (±16.5 V) ensures reliability in harsh grid environments. According to the AD7606 datasheet, the simultaneous sampling architecture preserves phase information essential for accurate power quality analysis.
Recommended
Motor Control
In motor control applications, the AD7606BSTZ-6RL provides simultaneous sampling of phase currents and voltages, enabling precise vector control algorithms. The 200 kSPS per channel rate allows real-time monitoring of fast transients, while the 16-bit resolution ensures accurate current sensing. The bipolar input range of ±10 V accommodates current sensor outputs directly, and the 1 MΩ input impedance reduces sensor loading. The device's integrated reference and buffer simplify the BOM, and the SPI interface allows easy connection to microcontrollers. The industrial temperature range (-40°C to +85°C) ensures reliable operation in factory environments. The simultaneous sampling capability is critical for maintaining phase relationships in field-oriented control, as stated in the AD7606 datasheet.
Recommended
Protective Relays
The AD7606BSTZ-6RL is well-suited for protective relays in power systems, where accurate and simultaneous measurement of voltage and current is essential for fault detection. Its 6 channels can monitor three-phase voltages and currents, and the 200 kSPS sampling rate captures transient events with high fidelity. The 16-bit resolution provides the dynamic range needed to detect small faults amid large signals. The integrated antialiasing filter reduces aliasing, and the input clamp protection (±16.5 V) safeguards against overvoltage transients. The parallel interface enables fast data transfer to the relay processor, and the industrial temperature range ensures reliable operation in substations. According to the AD7606 datasheet, the device's simultaneous sampling preserves phase information critical for directional protection schemes.
Recommended
Data Acquisition Systems
The AD7606BSTZ-6RL is a complete data acquisition system (DAS) that integrates the entire analog front-end into a single IC, making it ideal for general-purpose DAQ systems. It provides 6 channels of simultaneous sampling with 16-bit resolution and 200 kSPS throughput, eliminating the need for external signal conditioning. The device accepts bipolar inputs of ±10 V, ±5 V, and ±2.5 V, covering a wide range of sensors. The SPI interface simplifies connection to microcontrollers, and the internal reference reduces external component count. The 64-LQFP package is compact for space-constrained designs. The device's high input impedance (1 MΩ) minimizes loading on sensors, and the integrated antialiasing filter ensures clean signal acquisition. This makes it suitable for laboratory instruments, test benches, and industrial monitoring systems.
Recommended
Three-Phase Power Quality Analyzers
The AD7606BSTZ-6RL is specifically designed for three-phase power quality analysis, where simultaneous sampling of all phases is mandatory. Its 6 channels can measure three-phase voltages and currents, and the 200 kSPS sampling rate allows harmonic analysis up to the 40th order. The 16-bit resolution provides the accuracy needed for power quality metrics like THD and flicker. The ±10 V input range directly interfaces with potential and current transformers, and the 1 MΩ input impedance ensures minimal burden. The integrated antialiasing filter simplifies compliance with IEC 61000-4-30 standards. The device's simultaneous sampling preserves phase angles, which is critical for calculating power factors and phase imbalances. According to the AD7606 datasheet, the device is optimized for such applications.
Recommended
Industrial Automation
In industrial automation, the AD7606BSTZ-6RL provides precise analog-to-digital conversion for process control and monitoring. Its 6 channels can acquire multiple sensor signals simultaneously, such as temperature, pressure, and flow, with 16-bit resolution. The 200 kSPS sampling rate is sufficient for most industrial processes, and the bipolar input range accommodates various sensor outputs. The SPI interface allows easy integration with PLCs and industrial controllers. The device's robust design, including input clamp protection and industrial temperature range, ensures reliable operation in harsh factory environments. The integrated reference and buffer reduce external components, simplifying design. The simultaneous sampling capability is beneficial for applications requiring synchronized measurements, such as vibration analysis. This makes it a versatile choice for industrial data acquisition.
Recommended
Recommended Products Summary
Engineering reference data for AD7606BSTZ-6RL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD7606BSTZ-6 | AD7606BSTZ | AD7606B |
|---|---|---|---|---|
| Package | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) | 64-LQFP (10x10 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Number of Channels | 6 | 6 | 8 | 8 |
| Sampling Rate | 200 kSPS | 200 kSPS | 200 kSPS | 800 kSPS |
| Input Voltage Range | ±10 V, ±5 V, ±2.5 V | ±10 V, ±5 V, ±2.5 V | ±10 V, ±5 V, ±2.5 V | ±10 V, ±5 V, ±2.5 V |
| Interface | Parallel, Serial, SPI, QSPI, MICROWIRE, DSP | Parallel, Serial, SPI, QSPI, MICROWIRE, DSP | Parallel, Serial, SPI, QSPI, MICROWIRE, DSP | Parallel, Serial, SPI, QSPI, MICROWIRE, DSP |
| Input Impedance | 1 MΩ | 1 MΩ | 1 MΩ | 1 MΩ |
| Packaging | Tape & Reel | Tray | Tray | Tray |
Key Differentiators
- Simultaneous sampling of 6 channels (vs AD7606BSTZ (8-channel))
- Tape and reel packaging (vs AD7606BSTZ-6 (tray))
- Integrated reference and buffer (vs AD7606B)
Design Notes
Decouple the AVCC and DVCC pins with 10 µF and 0.1 µF capacitors placed as close to the pins as possible. The AVCC supply should be clean and stable at 5 V, while DVCC can range from 2.3 V to 5 V. Use separate analog and digital ground planes to minimize noise coupling. According to the AD7606 datasheet, proper decoupling is essential for achieving specified performance.
For optimal performance, route analog inputs away from digital traces and use a solid ground plane under the ADC. The 64-LQFP package has an exposed pad that should be soldered to the ground plane for thermal and electrical performance. Keep the REFIN/REFOUT pin bypassed with a 10 µF capacitor to ensure reference stability. Follow the layout guidelines in the AD7606 datasheet for best results.
Do not exceed the absolute maximum input voltage of ±16.5 V on the analog inputs, as the internal clamp protection is designed for transient overvoltage, not continuous operation. Ensure the digital interface voltage (DVCC) does not exceed the analog supply voltage to prevent latch-up. When using the internal reference, avoid loading the REFIN/REFOUT pin with external circuitry that could affect accuracy. Always initialize the device with a reset pulse after power-up to ensure proper operation.
Compliance Information
RoHS compliant per distributor listings. AEC-Q100 not applicable for this industrial-grade part.
