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Texas Instruments ADS8588HIPM
- Part No.:
- ADS8588HIPM
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-LQFP
- Datasheet:
-
ADS8588HIPM.pdf
- Description:
- IC ADC 16BIT SAR 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,059
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Product details
Overview
ADS8588HIPM from Texas Instruments is a 16-bit, 8-channel simultaneous-sampling SAR ADC with integrated analog front-end, ±10 V/±5 V pin-programmable bipolar inputs, 1 MΩ input impedance, and 500-kSPS per-channel throughput on single 5-V analog supply. It delivers ±0.5 LSB INL typ, 92.7 dB SNR typ, and operates from –40°C to +125°C for high-accuracy power system monitoring.
For engineers reviewing the ADS8588HIPM datasheet, ADS8588HIPM pinout, ADS8588HIPM application, or ADS8588HIPM equivalent, key selection considerations include simultaneous 8-channel sampling integrity, true bipolar input support without dual supplies, on-chip 2.5-V reference with 7.5 ppm/°C drift, oversampling digital filtering, and flexible parallel/serial/byte interface compatibility with industrial real-time controllers.
Technical Context
The ADS8588HIPM implements eight independent SAR ADC cores with synchronized CONVSTA/CONVSTB control, enabling true simultaneous sampling across all channels. Each channel includes a high-impedance (1 MΩ) PGA, third-order LPF, overvoltage clamp, and dedicated input driver-eliminating external signal conditioning for ±10 V sensor interfaces.
Its digital architecture supports three interface modes (parallel, serial, byte) via PAR/SER/BYTE_SEL, oversampling configuration via OS0–OS2 pins (up to 32×), and input range selection via RANGE pin-all configurable without register writes. The internal 2.5-V reference drives the ADC core with 4.0-V buffered output at REFCAPA/REFCAPB, decoupled by 22-µF ceramic capacitors.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit-guarantees no missing codes and supports 1:65,536 dynamic range for precision voltage measurement. |
| Sampling Rate | 500 kSPS per channel-enables full-bandwidth capture of 24-kHz signals (–3 dB BW) in substation protection relays. |
| DNL / INL | ±0.3 LSB typ / ±0.5 LSB typ-ensures monotonicity and end-point linearity critical for energy metering calibration. |
| SNR / THD | 92.7 dB typ / –110 dB typ-supports >15-bit effective resolution in noise-sensitive battery cell formation test equipment. |
| Input Range | ±10 V or ±5 V-configurable via RANGE pin; allows direct connection to CT/PT outputs without level-shifting circuitry. |
| Reference | 2.5 V internal, 7.5 ppm/°C drift-reduces system-level calibration burden in wide-temperature industrial environments. |
| Operating Temp | –40°C to +125°C-qualified for deployment in string inverters and battery energy storage systems exposed to ambient extremes. |
Pinout & Package
LQFP-64 package (12 mm × 12 mm) with exposed thermal pad; RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN_1P–AIN_8P AIN_1GND–AIN_8GND | Analog input differential pairs | Eight fully isolated bipolar input channels; each pair accepts ±10 V or ±5 V with 1 MΩ impedance-direct interface to current/voltage transformers. |
| CONVSTA / CONVSTB | Conversion start triggers | Asynchronous dual-edge control: CONVSTA initiates sampling on channels 1–4, CONVSTB on channels 5–8-enabling precise inter-channel timing alignment. |
| DB[15:0] / DOUTA / DOUTB | Data output bus | 16-bit parallel output (DB[15:0]) or dual serial streams (DOUTA/DOUTB)-supports high-throughput data transfer to FPGA or ARM Cortex-R real-time processors. |
| RANGE / PAR/SER/BYTE_SEL | Configuration control inputs | Hardware-pin-selectable: RANGE sets input span; PAR/SER/BYTE_SEL chooses interface mode-no firmware initialization required for basic operation. |
| REFCAPA / REFCAPB | Reference buffer outputs | Must be shorted and decoupled to AGND with 22-µF ceramic capacitor-stabilizes 4.0-V reference voltage driving the SAR core. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous 8-channel sampling | Eliminates phase skew between channels-essential for vector measurements in multifunction relays and grid synchronization. |
| Pin-programmable ±10 V/±5 V inputs | Removes need for external gain-switching circuitry-simplifies BOM and layout in AC analog input modules. |
| On-chip 2.5-V reference with buffer | Provides stable, low-drift reference without external components-reduces calibration drift in battery energy storage system monitors. |
| Oversampling digital filter | Configurable up to 32×-improves SNR by 3.4 dB (to 96.9 dB) and reduces anti-aliasing filter complexity for 130-Hz signals. |
| 9-kV ESD input clamping | Protects against transient surges in substation environments-meets IEC 61000-4-5 surge immunity requirements without external TVS diodes. |
Applications
| Substation Automation | Multifunction Relay |
|---|---|
Use Scenario: Real-time acquisition of voltage/current waveforms from multiple CT/PT secondaries for fault detection and harmonic analysis. IC Role / Device Role / Timing Role: Simultaneous-sampling ADC capturing eight synchronized analog inputs at 500 kSPS to preserve phase relationships across phases and protection zones. Use Value: Enables accurate sequence component calculation and traveling-wave fault location without inter-channel timing skew. | Use Scenario: Embedded protection logic requiring high-fidelity analog inputs for overcurrent, distance, and differential protection algorithms. IC Role / Device Role / Timing Role: Precision DAQ subsystem providing 16-bit, ±0.5 LSB INL data to ARM-based protection CPU with deterministic 2-µs conversion latency. Use Value: Supports IEC 61850-compliant Class T3 sampling accuracy and eliminates external PGA/level-shift circuits. |
| Battery Energy Storage System | String Inverter |
Use Scenario: Cell voltage monitoring and stack balancing control in high-voltage DC battery racks operating at –40°C to +70°C ambient. IC Role / Device Role / Timing Role: High-impedance (1 MΩ), ±5 V input ADC acquiring 8-cell group voltages simultaneously to detect imbalance within 1 mV resolution. Use Value: Reduces thermal drift error to <3 ppm/°C offset and enables direct connection to isolated ADC front-ends without op-amp buffers. | Use Scenario: Grid-side voltage and current sensing for MPPT and anti-islanding detection in photovoltaic string inverters. IC Role / Device Role / Timing Role: Bipolar-input ADC sampling AC line voltage (±10 V) and current shunt signals with 92.7 dB SNR for IEEE 1547-compliant harmonic distortion analysis. Use Value: Achieves <0.1% THD measurement accuracy at 50/60 Hz fundamental-critical for grid-code compliance reporting. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8588SPM | Same silicon, LQFP-64 package but with enhanced screening for extended temperature operation (–55°C to +125°C); identical electrical specs. | Required for aerospace or military-grade deployments where extended cold-start capability is mandated. | Select ADS8588SPM only when MIL-STD-883 or AEC-Q200 Grade 1 qualification is contractually required. |
| AD7606C-16 | 16-bit, 8-channel SAR ADC with ±10 V inputs, but uses external reference and lacks integrated oversampling filter; 200-kSPS max rate. | Suitable for cost-sensitive industrial PLCs where lower throughput and external reference tolerance are acceptable. | Choose AD7606C-16 if system already provides precision 2.5-V reference and does not require >250-kSPS/channel sampling. |
Compared with ADS8588HIPM, ADS8588SPM offers identical performance with extended temperature qualification, while AD7606C-16 trades off oversampling capability and maximum throughput for broader vendor support and lower unit cost in non-automotive industrial designs.
Availability
ADS8588HIPM is available at Aetrix Electronics and suitable for substation automation, multifunction relay development, and battery energy storage system design requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADS8588HIPM 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
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets.
The ADS8588H product line targets high-reliability industrial data acquisition, specifically engineered for simultaneous-sampling precision in harsh-temperature, high-EMI environments such as power grid infrastructure and renewable energy systems.
FAQ
What is the maximum sampling rate per channel for the ADS8588HIPM?
The ADS8588HIPM achieves a maximum throughput of 500 kSPS per channel across all eight simultaneously sampled inputs. This rate is sustained under full-load conditions with internal reference enabled, AVDD = 5 V, and DVDD = 3.3 V. At this rate, the device maintains 92.7 dB typical SNR and ±0.5 LSB typical INL-verified across the full –40°C to +125°C operating range. The ADS8588HIPM does not require reduced throughput to maintain specification compliance in high-temperature operation.
Does the ADS8588HIPM support both ±10 V and ±5 V input ranges on the same device?
Yes, the ADS8588HIPM supports both ±10 V and ±5 V true bipolar input ranges on the same device, selected dynamically via the RANGE pin. When RANGE = 1, the full-scale span is ±10 V (AIN_nP to AIN_nGND); when RANGE = 0, it is ±5 V. This hardware-selectable feature requires no register programming or firmware overhead, and the input impedance remains 1 MΩ across both ranges-enabling seamless integration with legacy CT/PT sensors and modern isolated amplifiers alike.
How is the internal reference configured and what are its stability specifications for the ADS8588HIPM?
The ADS8588HIPM internal reference is enabled by asserting REFSEL = high, which configures REFIN/REFOUT as a 2.5-V output. The reference voltage is buffered and delivered to the ADC core via REFCAPA/REFCAPB pins, which must be shorted and decoupled to AGND with a 22-µF ceramic capacitor. Its stability is specified at 7.5 ppm/°C temperature drift and 2.4975 V to 2.5025 V tolerance at 25°C-meeting precision requirements for Class 0.2 revenue-grade metering in the ADS8588HIPM.
What interface modes does the ADS8588HIPM support and how are they selected?
The ADS8588HIPM supports three digital interface modes: parallel (16-bit DB[15:0]), serial (DOUTA/DOUTB with SCLK), and parallel byte (DB[7:0] with BYTE_SEL). Mode selection is controlled solely by the PAR/SER/BYTE_SEL pin-no SPI register writes are needed. In parallel mode, data is latched on rising RD edge; in serial mode, SCLK clocks out 16 bits MSB-first; in byte mode, two 8-bit transfers reconstruct the full word. All modes share common CONVST and BUSY signaling for deterministic timing.
What is the purpose and implementation of the oversampling feature in the ADS8588HIPM?
The ADS8588HIPM oversampling feature improves SNR and effective resolution by averaging multiple conversions per output sample. Controlled via OS0–OS2 pins, it supports ratios of 2× to 32×-e.g., 32× oversampling yields 96.9 dB SNR (vs. 92.7 dB nominal) at 130 Hz input. Oversampled data is filtered digitally and presented at reduced output rate; the feature requires no host processor intervention and operates transparently alongside simultaneous sampling-making it ideal for low-frequency high-precision applications like battery cell voltage monitoring in the ADS8588HIPM.
ADS8588HIPM Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 64-LQFP
- Packaging:
- Tray
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 500k
- Number of Inputs:
- 8
- Input Type:
- Single Ended
- Data Interface:
- Parallel, Serial
- Configuration:
- PGA-ADC
- Ratio - S/H:ADC:
- 0:1
- Number of A/D Converters:
- 8
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 4.75V ~ 5.25V
- Voltage - Supply, Digital:
- 2.3V ~ 5.25V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Supplier Device Package:
- 64-LQFP (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADS8588HIPM FAQ
1.How can I place an order for ADS8588HIPM through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS8588HIPM on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADS8588HIPM reliable?
The price and inventory of ADS8588HIPM are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS8588HIPM is usually 5 days.
3.What payment methods are accepted for ADS8588HIPM?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS8588HIPM transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS8588HIPM?
ADS8588HIPM orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS8588HIPM order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADS8588HIPM?
For technical support, including ADS8588HIPM datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS8588HIPM requirements.
6.How does Aetrix verify that ADS8588HIPM is sourced from the original manufacturer or authorized distributors?
All ADS8588HIPM products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADS8588HIPM meets industry standards.
7.What is the process for return or replacement of ADS8588HIPM?
All ADS8588HIPM units undergo pre-shipment inspection (PSI). If there is an issue with ADS8588HIPM, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADS8588HIPM part is unused and in its original packaging.
Return procedure for ADS8588HIPM:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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