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LIMCHIP CO., LIMITED
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AD688AQ
Brand: Analog Devices
The AD688AQ is a high precision ±10 V tracking voltage reference that delivers +10 V and −10 V outputs with under 1.5 mV tracking error and just 2.0 mV max initial error, giving 12-bit absolute accuracy without any user adjustment. Built around an ion-implanted buried Zener and laser-trimmed thin-film resistors, it adds three on-chip amplifiers for Kelvin force/sense connections and external boosters, all in a hermetic 16-lead CERDIP rated -40°C to +85°C.
Stock & Date Code
| Brand | Part Number | Qty | D/C | Note |
|---|---|---|---|---|
| ADI | AD688AQ | 5,000 | 26+ | Analog Devices AD688AQ high precision ±10 V tracking reference in 16-lead CERDIP; confirm date code, lot and packing condition by RFQ. |
Listed stock and date code are subject to final RFQ confirmation.
Analog / Signal Chain Specifications
| Parameter | Value / Specification |
|---|---|
| Channels / Configuration | Single-channel ±10 V dual-output (+10 V / −10 V) tracking reference with three on-chip buffer amplifiers |
| Reference Type | Series voltage reference; ±10 V precision tracking reference with three on-chip buffer amplifiers |
| Output Voltage | ±10 V tracking outputs (+10 V and −10 V) with Kelvin force and sense terminals |
| Initial Error / Accuracy | ±2.0 mV max initial error; ±0.05% output tolerance; 12-bit absolute accuracy without adjustment |
| Temperature Coefficient | 3 ppm/°C max (A grade) |
| Tracking Error | 1.5 mV max between +10 V and −10 V outputs; optional fine-trim for exact symmetry |
| Output Noise | 6 µV p-p typical (0.1 Hz to 10 Hz); dedicated pin for external broadband noise filtering |
| Supply Voltage | Input 12 V to 38 V; 12 mA supply current |
| Package / Case | 16-lead CERDIP (Q-16), 0.3 in (7.62 mm) wide body; tube |
| Operating Temperature | -40°C to +85°C (A grade) |
| Mounting | Through-hole |
Analog Features & Applications
- ±10 V precision tracking outputs with Kelvin force/sense terminals deliver full accuracy directly at the load
- Low ±2.0 mV max initial error provides 12-bit absolute accuracy with no user adjustment or trim
- Ion-implanted buried Zener plus laser-trimmed thin-film resistors ensure low drift and long-term stability
- Tracking error under 1.5 mV between the +10 V and −10 V rails, with optional fine-trim for exact symmetry
- Low 6 µV p-p output noise with a dedicated pin for external broadband noise filtering
- Three on-chip amplifiers allow Kelvin connections and external boosters for long lines or high-current loads
- Hermetic 16-lead CERDIP rated -40°C to +85°C suits industrial and instrumentation precision systems
Need Price & Availability for AD688AQ?
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Listed stock is subject to final RFQ confirmation.
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Frequently Asked Questions
Is AD688AQ available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for AD688AQ by RFQ.
What should buyers check before ordering AD688AQ?
Buyers should check package, grade, precision parameters, supply range and approved source for AD688AQ, together with live stock and traceable supply.
How do I request a quote for AD688AQ?
Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.