ADC10662CIWM/NOPB - 10-Bit 1.5 MSPS Dual-Input ADC | TI
MPN: ADC10662CIWM/NOPB ✓ सक्रियADC10662CIWM/NOPB अवलोकन
What is a sub-ranging flash ADC? A sub-ranging (or two-step) flash ADC performs coarse conversion with a lower-resolution flash, then a fine conversion with a second flash, effectively partitioning the conversion range to reduce comparator count, power, and input loading. The category hierarchy is: sub-ranging flash ADC -> successive-approximation-flash hybrid ADC -> analog-to-digital converter -> data converter -> signal chain IC -> semiconductor. This architecture is widely used in video, imaging, and instrumentation sub-systems where 8-12 bit resolution and 1-50 MSPS rates must coexist with modest power budgets.
Key features of the ADC10662CIWM/NOPB include two analog input channels selected by the MUX pin, an internal sample-and-hold that holds the sampled input through conversion, a 0 V to 5 V analog input range referenced to a single +5 V supply, and TTL/CMOS-compatible digital outputs. Its 1.5 MSPS throughput supports real-time sampling for DSP front ends and disk-drive read channels, while its low-power CMOS design keeps dissipation low even at the maximum sampling rate.
The device uses a single +5 V analog supply and a separate +5 V digital supply for noise isolation. Built-in reference, clock, and conversion-start logic simplify interface to microcontrollers and DSPs. The on-chip input multiplexer and sample-and-hold make the device well suited for multi-channel data-acquisition systems where PCB area and component count are constrained.
Typical applications include digital signal processor front ends for motor control and instrumentation, disk-drive servo/READ channels, mobile telecommunications baseband conversion, and process-control data-acquisition boards. Designers should note that the pin-compatible ADC10664 (12-bit, same 1.5 MSPS) is available when resolution, not speed, must be increased. The wide 24-SOIC footprint simplifies thermal management compared with small-outline alternatives, and provides robust manufacturing yields.
के लिए ड्रॉप-इन विकल्प ADC10662CIWM/NOPB — समान पैकेज, पिन-टू-पिन संगत। PCB रीवर्क आवश्यक करने वाले भिन्न-पैकेज पार्ट्स शामिल नहीं हैं।
इस सीरीज़ के वेरिएंट
समान श्रृंखला के मॉडल जो ड्रॉप-इन संगत हैं ADC10662CIWM/NOPB (समान फॉर्म फैक्टर और फुटप्रिंट) — इसमें भिन्न Architecture, Package, Analog Supply Voltage, Conversion Time, Input Type.
ADC10664CIWM/NOPB
✅ ड्रॉप-इन📋 संदर्भ विकल्प (कैटलॉग में नहीं)
ADC10062CIWM/NOPB
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →ADC10158CIN/NOPB
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →ADC10464CIWMX/NOPB
✅ ड्रॉप-इनकीमत के लिए संपर्क करें
डेटाशीट देखें →ADC10662CIWM/NOPB Maximum Ratings और Electrical Characteristics
| रेज़ोल्यूशन | 10 bits |
| सैंपलिंग रेट | 1.5 MSPS (minimum) |
| Conversion Time | 360 ns |
| Number of Inputs | 2 (single-ended, MUX selected) |
| Architecture | Sub-ranging flash (two-step) |
| Analog Supply Voltage | Single +5 V |
| Digital Supply Voltage | Single +5 V |
| Analog Input Range | 0 V to +5 V |
| Power Dissipation | 235 mW (typical) |
| Output Interface | Parallel, TTL/CMOS-compatible |
| Sample-and-Hold | Internal, on-chip |
| On-Chip Reference | Yes (internal) |
| पैकेज | 24-pin SOIC (WM), wide body |
| माउंटिंग प्रकार | Surface Mount |
| RoHS स्थिति | Compliant (NOPB suffix) |
| Lead Finish | Lead-free (NOPB) |
ADC10662CIWM/NOPB पिन कॉन्फ़िगरेशन
| पिन 1 | MUX — Input channel select (logic low = INL, high = INH) |
| पिन 2 | INL — Analog input, channel Low |
| पिन 3 | VA — Analog +5 V supply |
| पिन 4 | GND — Ground (analog) |
| पिन 5 | INH — Analog input, channel High |
| पिन 6 | REF+ — Reference top (internal +5 V ref out / external ref in) |
| पिन 7 | REF- — Reference bottom (ground) |
| पिन 8 | VBIAS — Bias voltage decoupling |
| पिन 9 | DB0 (LSB) — Digital output bit 0 (LSB) |
| पिन 10 | DB1 — Digital output bit 1 |
| पिन 11 | DB2 — Digital output bit 2 |
| पिन 12 | DB3 — Digital output bit 3 |
| पिन 13 | DB4 — Digital output bit 4 |
| पिन 14 | DB5 — Digital output bit 5 |
| पिन 15 | DB6 — Digital output bit 6 |
| पिन 16 | DB7 — Digital output bit 7 |
| पिन 17 | DB8 — Digital output bit 8 |
| पिन 18 | DB9 (MSB) — Digital output bit 9 (MSB) |
| पिन 19 | OE — Output enable (active low) |
| पिन 20 | CLK — Conversion clock input |
| पिन 21 | SHIELD — Ground / shield pin (per datasheet) |
| पिन 22 | VD — Digital +5 V supply |
| पिन 23 | DGND — Digital ground |
| पिन 24 | NC — Not connected (per datasheet pinout) |
सामान्य अनुप्रयोग
ADC10662CIWM/NOPB के लिए उपयुक्त है 6 अनुप्रयोगs: DSP Front-End Data Acquisition, Disk Drive Read Channel, Mobile Telecommunications Baseband, Industrial Instrumentation & Process Control, Portable Test & Measurement, CCD/CIS Imaging Front Ends.
DSP Front-End Data Acquisition
The ADC10662CIWM/NOPB serves as a high-speed digitizer feeding a DSP for real-time signal processing. Its 1.5 MSPS throughput and 10-bit resolution meet typical 8-14 kHz IF sampling needs in motor-control and audio DSP front ends, while the parallel digital bus pairs directly with DSP parallel ports such as the TI TMS320 series. The on-chip sample-and-hold and dual-input MUX remove the need for external track/hold ICs, shrinking the analog front-end BOM in space-constrained motor-control PCBs.
अनुशंसित
Disk Drive Read Channel
In disk-drive read-channel electronics, the ADC10662CIWM/NOPB digitizes the preamplifier output at the highest sample-rate corner of the channel, where jitter and aperture-time performance matter. Its 360 ns conversion time and sub-ranging flash architecture deliver the deterministic low-jitter sampling required for channel-bit detection, while the 235 mW dissipation stays within the thermal budget of a sealed HDD assembly. The 24-SOIC wide-body package spreads heat and supports standard SMT reflow.
अनुशंसित
Mobile Telecommunications Baseband
Mobile telecommunications baseband and IF digitizers benefit from the ADC10662CIWM/NOPB's 1.5 MSPS rate and 5 V single-supply operation. It samples at sufficient rate for legacy 2G/early-3G IF chains without oversampling or downconversion, while the parallel TTL/CMOS interface drives ASIC baseband logic directly. The internal sample-and-hold compensates for analog input-bandwidth limitations seen at higher IF frequencies, keeping spurious tones below the baseband signal band.
अनुशंसित
Industrial Instrumentation & Process Control
For industrial instrumentation data-acquisition boards, the ADC10662CIWM/NOPB pairs its 1.5 MSPS throughput with the dual-input MUX so two transducer channels (e.g., a primary sensor plus reference) can be digitised with one ADC. The 10-bit resolution is appropriate for vibration, temperature, and pressure transducer digitizers where 1 part in 1024 precision (about 0.1 percent) is sufficient. Its industrial-temperature SOIC package meets factory-floor reliability requirements.
अनुशंसित
Portable Test & Measurement
Battery- and line-powered test instruments leverage the ADC10662CIWM/NOPB's modest 235 mW power dissipation and 5 V supply. The 1.5 MSPS real-time sampling captures transient events in scope and datalogger designs up to 750 kHz analog bandwidth (Nyquist), while the internal sample-and-hold maintains conversion-window timing precision. The 24-SOIC wide-body footprint simplifies hand-prototyping on DIP-to-SOIC adapter boards during lab validation.
अनुशंसित
CCD/CIS Imaging Front Ends
CCD and CIS imaging front-end boards use the ADC10662CIWM/NOPB to digitize video-rate analog signals at 1.5 MSPS per channel. Two input MUX channels allow pixel-data plus correlated double-sampling on a single ADC, eliminating channel-to-channel gain mismatches. The sub-ranging flash architecture delivers the low aperture jitter required to preserve CCD/CIS noise performance, while the parallel TTL outputs feed FPGA video pipelines directly with no glue logic.
अनुशंसित
अनुशंसित उत्पादों का सारांश
के लिए इंजीनियरिंग संदर्भ डेटा ADC10662CIWM/NOPB — तुलना, डिज़ाइन मार्गदर्शन और अनुपालन जानकारी।
चयन गाइड
विकल्पों के साथ तुलना
| पैरामीटर | यह उत्पाद | ADC10664CIWM/NOPB | ADC10062CIWM/NOPB | ADC10158CIN/NOPB | ADC10464CIWMX/NOPB |
|---|---|---|---|---|---|
| Package | 24-SOIC (WM) | 24-SOIC (WM) - same | 24-SOIC (WM) - same | 24-SOIC - same | 24-SOIC (WM) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Resolution | 10 bits | 12 bits | 10 bits | 10 bits | 10 bits |
| Sampling Rate | 1.5 MSPS | 1.5 MSPS | 2.5 MSPS | ~225 KSPS | 500 KSPS |
| Number of Inputs | 2 (MUX) | 2 (MUX) | 2 (MUX) | 8 (MUX) | 2 (MUX) |
| Supply Voltage | +5 V single | +5 V single | +5 V single | +5 V single | +5 V single |
मुख्य विशेषताएँ
- Sub-ranging flash architecture with only 235 mW dissipation (बनामADC10158CIN/NOPB)
- Direct drop-in upgrade path to 12-bit ADC10664 (बनामADC10664CIWM/NOPB)
- 1.5 MSPS in dual-input MUX at this price tier (बनामADC10464CIWMX/NOPB)
डिज़ाइन नोट्स
Provide separate analog (VA) and digital (VD) +5 V supplies, even when they originate from the same rail, to prevent digital switching noise coupling into the analog front-end. Decouple VA with a 10 uF tantalum plus 0.1 uF ceramic placed physically adjacent to the VA pin, and replicate the same stack on VD. The datasheet recommends a 0.1 uF ceramic on VBIAS to filter the internal bias-generator node.
Route the analog inputs (INL, INH) over a contiguous ground plane and away from the parallel digital bus DB0-DB9. Use a separate analog ground that ties to a single point near the ADC GA0GND pin, with the digital ground returning to the same star point. This isolates clock-induced digital noise from corrupting the 10-bit conversion. Keep input traces short and impedance-controlled to minimize aperture-jitter sensitivity.
Place the CLK driver within 25 mm of the CLK pin and route over a continuous ground reference; excessive trace length on CLK adds jitter to the conversion-timing aperture. The 24-pin SOIC wide-body footprint has generous pin-to-pin spacing, simplifying manual prototype hand-soldering on adapter boards. Avoid vias in the analog input path; use a top-layer trace from the input BNC or SMA connector directly to the INL/INH pin.
Drive the OE (output enable) line from the system controller with a logic-low-true signal; leaving OE floating allows digital outputs to float during read cycles and may inject bus-noise into adjacent analog traces. The TTL/CMOS-compatible parallel outputs DB0-DB9 sink/source approximately 4 mA, so an external buffer (e.g., 74LVC245) is required when driving heavier loads. Tie unused MUX channel input to mid-scale (2.5 V) via a buffer to reduce channel-to-channel crosstalk.
Do not apply input voltages outside 0 V to +5 V; the ADC10662's analog input stage does not include over-voltage protection and absolute-maximum input exceeds the supply rails will permanently damage the device. Always assert a clean CLK with low jitter; a noisy or stretched clock invalidates the 360 ns conversion timing budget and degrades INL/DNL. When using the internal reference (REF+ pin), connect a 10 uF tantalum plus 0.1 uF ceramic directly on the pin to filter reference noise.
अनुपालन जानकारी
NOPB suffix confirms lead-free NiPdAu lead finish and RoHS compliance per TI product marking. Original ADC10662CIWM (without /NOPB) contains lead and is non-RoHS; lifecycle recommends new designs use the /NOPB variant.
