ADC10662CIWM/NOPB - 10-Bit 1.5 MSPS Dual-Input ADC | TI
MPN: ADC10662CIWM/NOPB ✓ فعالADC10662CIWM/NOPB جائزہ
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.
کے لیے ڈراپ اِن متبادل ADC10662CIWM/NOPB — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں ADC10662CIWM/NOPB (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Architecture, Package, Analog Supply Voltage, Conversion Time, Input Type.
ADC10664CIWM/NOPB
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ADC10062CIWM/NOPB
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADC10158CIN/NOPB
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADC10464CIWMX/NOPB
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ADC10662CIWM/NOPB زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| ریزولوشن | 10 bits |
| سیمپلنگ ریٹ | 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) |
| پیکیج | 24-pin SOIC (WM), wide body |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant (NOPB suffix) |
| Lead Finish | Lead-free (NOPB) |
ADC10662CIWM/NOPB پن کنفیگریشن
| پن 1 | MUX — Input channel select (logic low = INL, high = INH) |
| پن 2 | INL — Analog input, channel Low |
| پن 3 | VA — Analog +5 V supply |
| پن 4 | GND — Ground (analog) |
| پن 5 | INH — Analog input, channel High |
| پن 6 | REF+ — Reference top (internal +5 V ref out / external ref in) |
| پن 7 | REF- — Reference bottom (ground) |
| پن 8 | VBIAS — Bias voltage decoupling |
| پن 9 | DB0 (LSB) — Digital output bit 0 (LSB) |
| پن 10 | DB1 — Digital output bit 1 |
| پن 11 | DB2 — Digital output bit 2 |
| پن 12 | DB3 — Digital output bit 3 |
| پن 13 | DB4 — Digital output bit 4 |
| پن 14 | DB5 — Digital output bit 5 |
| پن 15 | DB6 — Digital output bit 6 |
| پن 16 | DB7 — Digital output bit 7 |
| پن 17 | DB8 — Digital output bit 8 |
| پن 18 | DB9 (MSB) — Digital output bit 9 (MSB) |
| پن 19 | OE — Output enable (active low) |
| پن 20 | CLK — Conversion clock input |
| پن 21 | SHIELD — Ground / shield pin (per datasheet) |
| پن 22 | VD — Digital +5 V supply |
| پن 23 | DGND — Digital ground |
| پن 24 | NC — Not connected (per datasheet pinout) |
عام استعمالات
ADC10662CIWM/NOPB کے لیے موزوں ہے 6 ایپلیکیشنs: 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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ADC10662CIWM/NOPB — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | 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 |
اہم امتیازی خصوصیات
- Sub-ranging flash architecture with only 235 mW dissipation (بمقابلہADC10158CIN/NOPB)
- Direct drop-in upgrade path to 12-bit ADC10664 (بمقابلہADC10664CIWM/NOPB)
- 1.5 MSPS in dual-input MUX at this price tier (بمقابلہADC10464CIWMX/NOPB)
ڈیزائن نوٹس
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.
تعمیل کی معلومات
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.
