Part A
ADS5400IPZP
Texas Instruments
- Lifecycle
- Active
- Stock
- 7717 PCS
- Package
- HTQFP-100
- Series
- Acquisição de dados - Analogo para Convertedores Digitais (ADC)
Replacement verdict
Not a drop-in replacement
The ADS5400IPZP and ADS5411IPGP are not drop-in replacements for one another. Although both are 11-bit analog-to-digital converters, they differ in sampling rate, package and pinout, and digital output interface, so a direct board-level substitution is not possible without redesign.
Different sampling rate
Different package and pinout
Different output interface
Different power and thermal profile
Parts at a glance
Part B
ADS5411IPGP
Texas Instruments
- Lifecycle
- Active
- Stock
- 960 PCS
- Package
- TQFP-52
- Series
- Acquisição de dados - Analogo para Convertedores Digitais (ADC)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADS5400IPZP | ADS5411IPGP | Why it matters |
|---|---|---|---|
| Resolution | 12 bit | 11 bit | Resolution determines the quantization granularity and achievable SNR; a 12-bit ADC provides finer amplitude detail than an 11-bit device. |
| Sampling Rate | 1 GSPS | 105 MSPS | Maximum sample rate defines the input bandwidth and Nyquist zone the converter can support; these parts target very different signal bandwidths. |
| Input Type | Differential | Differential | Differential inputs improve common-mode rejection and dynamic performance; both parts use differential analog inputs. |
| Output Interface | LVDS (DDR) | Parallel CMOS | The digital output format must match the receiving FPGA/ASIC interface; LVDS and CMOS are not directly interchangeable without rework. |
| Supply Voltage | 3.3 V analog / 1.8 V digital | 3.3 V analog / 3.3 V digital | Supply rails must be available on the board; differing digital core voltages affect level shifting and power sequencing. |
| Package | 100-pin HTQFP (PZP) | 52-pin HTQFP (PGP) | Package footprint and pin count determine PCB layout compatibility; these parts are not drop-in replacements. |
| Power Consumption | Approx. 2.7 W | Approx. 1.0 W | Power dissipation drives thermal design and supply sizing; the higher-speed device consumes substantially more power. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Industrial temperature range ensures reliable operation across the same environmental conditions for both parts. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADS5400IPZP | ADS5411IPGP |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC,Texas Instruments |
| Part Status | Active | Active |
| Number of Bits | 12 | 11 |
| Sampling Rate(Per Second) | 1G | 105M |
| Number of Inputs | 1 | 1 |
| Input Type | Differential | Differential |
| Data Interface | LVDS - Parallel | LVDS - Parallel |
| Configuration | S/H-ADC | S/H-ADC |
| Ratio - S / H: ADC | 1:1 | 1:1 |
| Number of A/D Converters | 1 | 1 |
| Architecture | Pipelined | Pipelined |
| Reference Type | External, Internal | Internal |
| Voltage - Supply, Analog | 3.135V ~ 3.465V, 5V | 5V |
| Voltage - Supply, Digital | 3.135V ~ 3.465V | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Features | Temperature Sensor | - |
Frequently asked questions
What are the key differences between the ADS5400IPZP and ADS5411IPGP?
The ADS5400IPZP is a 12-bit, 1-GSPS analog-to-digital converter, while the ADS5411IPGP is an 11-bit, 105-MSPS ADC. The ADS5400IPZP offers higher resolution and a significantly faster sampling rate, whereas the ADS5411IPGP targets lower-speed, lower-power signal acquisition applications.
Do the ADS5400IPZP and ADS5411IPGP use the same package and pinout?
No. The ADS5400IPZP is supplied in a 100-pin HTQFP PowerPAD package, while the ADS5411IPGP is supplied in a 48-pin HTQFP PowerPAD package. The differing pin counts and land patterns mean they are not footprint-compatible and cannot be interchanged on the same PCB without redesign.
What are the maximum sampling rates of these two ADCs?
The ADS5400IPZP supports a maximum sampling rate of 1 GSPS (1000 MSPS). The ADS5411IPGP supports a maximum sampling rate of 105 MSPS. The roughly tenfold difference in throughput makes them suited to very different signal bandwidth requirements.
How do the resolution and SNR of the ADS5400IPZP and ADS5411IPGP compare?
The ADS5400IPZP provides 12-bit resolution, while the ADS5411IPGP provides 11-bit resolution. Because the ADS5400IPZP operates at a much higher sampling rate, its achievable signal-to-noise ratio and dynamic performance depend strongly on input frequency and clock quality; designers should consult each device's datasheet for SNR and ENOB specifications at the intended operating conditions rather than assuming equivalence.
What input and output interfaces do these ADCs use?
The ADS5400IPZP provides a differential analog input and a parallel LVDS-compatible digital output bus for high-speed data capture. The ADS5411IPGP provides a differential analog input with parallel CMOS-compatible output. The output interface difference affects the receiving FPGA or DSP logic and must be accounted for in any comparison.
Are the ADS5400IPZP and ADS5411IPGP drop-in replacements for each other?
No. They differ in resolution, sampling rate, package pin count, and digital output interface, so neither device is a drop-in replacement for the other. Any substitution requires a full review of the datasheets, PCB layout, clocking, and digital interface compatibility.
What supply voltages do the ADS5400IPZP and ADS5411IPGP require?
Both devices use a 3.3 V analog supply and a 1.8 V digital supply as specified in their respective datasheets. Because the internal architectures and current consumption differ, the actual supply current and power dissipation should be taken from each device's datasheet for the intended operating mode.