Part A
AD9177BBPZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4261 Stückzahl
- Package
- FBGA-324
- Series
- RF Front End (LNA und PA)
Replacement verdict
Compatible functional replacement candidate
The AD9177BBPZ is a closely related dual-channel member of the same high-speed DAC family as the AD9176BBPZ, sharing core architecture, interface, and package characteristics. While it is not a pin-identical drop-in substitute, it represents a viable functional replacement candidate for applications that can accommodate the channel-count and power differences, subject to validation of the specific signal-chain requirements.
Channel Count
Validation required
Package Type
High match
Digital Interface
High match
Power Consumption
Validation required
Parts at a glance
Part B
AD9176BBPZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6339 Stückzahl
- Package
- FBGA-144
- Series
- Spezialisierte ICs
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD9176BBPZ | AD9177BBPZ | Why it matters |
|---|---|---|---|
| Number of DAC Channels | 2 | 4 | Channel count determines how many independent RF/IF outputs the device can drive, directly affecting system architecture and multi-channel capability. |
| Maximum DAC Update Rate | 12.6 GSPS | 12 GSPS | The DAC sample rate sets the achievable output bandwidth and frequency planning; a higher rate enables wider instantaneous bandwidth and higher IF/RF synthesis. |
| Resolution | 16 bit | 16 bit | DAC resolution affects dynamic range and quantization noise; both share 16-bit resolution so this is not a differentiator. |
| JESD204B Lane Rate (max) | 15.5 Gbps | 15.5 Gbps | SerDes lane rate determines the digital interface bandwidth needed to feed the DACs; identical rates mean similar FPGA/ASIC interface requirements. |
| Package / Pin Count | BGA-144 | BGA-144 | Package and pinout affect PCB footprint and layout compatibility; matching packages simplify board redesign and drop-in evaluation. |
| On-chip PLL / Clocking | Integrated PLL with VCO | Integrated PLL with VCO | Integrated clocking reduces external component count and simplifies clock distribution; both offering on-chip PLL supports similar system clocking designs. |
| Digital Signal Processing (NCO/Interpolation) | Dual complex NCO, up to 8x interpolation | Quad complex NCO, up to 8x interpolation | On-chip NCOs and interpolation enable digital upconversion and frequency shifting; more NCOs in the 4-channel part support more independent carriers. |
| Supply Voltage (Analog/Digital) | 0.95 V / 1.8 V | 0.95 V / 1.8 V | Supply rails determine power delivery design and regulator requirements; identical rails allow reuse of the same power architecture. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Temperature range defines environmental suitability; matching industrial ranges means equivalent thermal qualification for both parts. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD9177BBPZ | AD9176BBPZ |
|---|---|---|
| Series | AD9177 | - |
| Part Status | Active | Active |
| RF Type | General Purpose | - |
| Frequency | 25MHz ~ 12GHz | - |
| Type | - | RF DAC |
| Applications | - | Wireless Infrastructure |
| Mounting Type | - | Surface Mount |
Frequently asked questions
What are the key differences between the AD9176BBPZ and AD9177BBPZ?
The AD9176 and AD9177 are both dual-channel, 16-bit RF DACs from Analog Devices with similar core architecture, but they differ in maximum DAC update rate and output bandwidth. The AD9176 supports a maximum DAC update rate of 12.6 GSPS, while the AD9177 supports up to 12 GSPS. Both integrate an 8-lane JESD204B interface and multi-band digital up-conversion, but designers should confirm the exact rate, channel count, and interface lane configuration against the respective datasheets before selecting between them.
Are the AD9176BBPZ and AD9177BBPZ pin-compatible?
Both devices are offered in the same BGA package family, but pin compatibility cannot be assumed solely from the package designation. Pin functions, power supply domains, and JESD204B lane assignments must be verified against the official Analog Devices datasheets and pin configuration tables for each part before any layout reuse is considered.
What resolution and channel count do the AD9176BBPZ and AD9177BBPZ provide?
Both the AD9176 and AD9177 are dual-channel, 16-bit RF digital-to-analog converters. Each device provides two DAC outputs with integrated interpolation filters and digital up-conversion, making them suitable for multi-band and wideband RF synthesis applications.
What is the maximum DAC update rate for each device?
Per Analog Devices documentation, the AD9176 supports a maximum DAC update rate of 12.6 GSPS, while the AD9177 supports a maximum DAC update rate of 12 GSPS. The achievable rate in a given design also depends on the JESD204B lane rate, clocking scheme, and board-level signal integrity.
Do both parts use a JESD204B interface?
Yes. Both the AD9176 and AD9177 integrate a JESD204B serial interface with multiple lanes to support high-speed data transfer from an FPGA or ASIC. The exact number of supported lanes and maximum lane rates should be confirmed from the respective datasheets, as these parameters affect link budgeting and FPGA resource planning.
Can the AD9177BBPZ be used as a drop-in replacement for the AD9176BBPZ?
A drop-in replacement should not be assumed. Although the two parts share a similar architecture and package family, differences in maximum DAC update rate, JESD204B configuration, and possibly supply or pin details require full validation against both datasheets and the target design's timing, thermal, and layout constraints before substitution.
What applications are these RF DACs typically used for?
Both the AD9176 and AD9177 are intended for wideband RF and microwave signal generation, including wireless base station transmitters, phased-array radar, satellite communications, and instrumentation. Their dual-channel 16-bit architecture with integrated digital up-conversion supports multi-band and high-dynamic-range transmit chains.