THS1230IPWRG4 - 12-Bit 30 MSPS Low-Power ADC | Texas Instruments
Артикул: THS1230IPWRG4 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $6.85 | $6,85 |
| 10 | $6.18 | $61,80 |
| 100 | $5.49 | $549,00 |
| 500 | $4.95 | $2.475,00 |
| 1.000 | $4.42 | $4.420,00 |
THS1230IPWRG4 Обзор
An analog-to-digital converter (ADC) is a data-conversion integrated circuit that samples a continuous analog waveform at a fixed clock rate and quantizes each sample into a binary code. ADCs sit in the broader signal-chain hierarchy of: ADC -> data converter -> data acquisition IC -> semiconductor. The THS1230 family uses a pipelined architecture (per the GlobalSpec datasheet synopsis) to balance conversion speed, power dissipation, and dynamic range, making it suitable for battery-operated and thermally constrained designs.
Key specifications include 12-bit resolution, 30 MSPS maximum sampling rate, 3.3 V single-supply operation, and configurable analog input paths. The PW suffix denotes the industrial-temperature grade (-40 C to +85 C) in tape-and-reel packaging, while the G4 suffix indicates a Pb-free / RoHS-compliant terminal finish. A power-down pin reduces quiescent dissipation between conversions, which is critical for low-duty-cycle battery applications such as portable instrumentation or remote sensor nodes.
Architecturally, the pipelined core typically resolves a sample over multiple clock cycles using sub-ADC stages and a digital error-correction block; this allows high throughput at moderate power budgets. The configurable input block (single-ended, single-ended with offset, differential) effectively acts as an on-chip front-end multiplexer, eliminating external signal-conditioning stages in many designs and shortening the analog signal path for improved SNR.
Typical applications include portable and handheld digital oscilloscope front-ends, digital IF sampling for communications receivers, CCD/CIS image-scanner digitizers, ultrasound beamformer input stages, and baseband digitization in low-power wireless links. The combination of low power, integrated input mux, and small TSSOP-28 footprint also suits portable test-and-measurement and industrial data-acquisition modules where PCB area is at a premium.
When designing with the THS1230IPWRG4, ensure the analog input common-mode voltage and reference decoupling follow the datasheet guidance; insufficient decoupling is the most common source of degraded SNR and spurious tones. For best noise performance, place the 0.1 uF and 10 uF decoupling capacitors within 5 mm of the AVDD pins and keep the analog input traces impedance-controlled and length-matched where differential mode is used.
This page synthesizes distributor stock, same-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single-citation source for selection, replacement, and PCB-level implementation guidance.
Аналоги без доработки для THS1230IPWRG4 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с THS1230IPWRG4 (тот же форм-фактор и посадочное место) — отличается по Package, Resolution, RoHS Status, Number of Channels, Sampling Rate.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
THS1230IPWR
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
THS1230IPWG4
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
THS1215IPWG4
✅ Прямая замена✓ В наличии
$5.45 / шт.
Открыть даташит →THS1040CPWRG4
✅ Прямая замена✓ В наличии
$4.1 / шт.
Открыть даташит →THS1031IPWRG4
✅ Прямая замена✓ В наличии
$3.42 / шт.
Открыть даташит →THS1230IPWRG4 Максимальные параметры и электрические характеристики
| Разрешение | 12 bit |
| Частота дискретизации | 30 MSPS |
| Number of Input Channels | 1 |
| Architecture | Pipelined |
| Напряжение питания | 3.3 V (single supply) |
| Input Configuration | Single-ended / Single-ended with offset / Differential |
| Power-Down Mode | Yes (integrated) |
| Диапазон рабочих температур | -40 C to +85 C (industrial grade) |
| Корпус | 28-TSSOP (PW) |
| Тип монтажа | Surface Mount |
| Terminal Form | Gull Wing |
| Package Code | TSSOP |
| Статус RoHS | Compliant (Pb-free, G4 suffix) |
| Lead Free | Yes |
Конфигурация выводов THS1230IPWRG4
| Контакт 1 | AVDD — Analog 3.3 V supply |
| Контакт 2 | REFT — Top reference decoupling |
| Контакт 3 | REFB — Bottom reference decoupling |
| Контакт 4 | AGND — Analog ground |
| Контакт 5 | IN+ — Differential analog input (positive) |
| Контакт 6 | IN- — Differential analog input (negative) |
| Контакт 7 | VBIAS — Bias voltage bypass |
| Контакт 8 | PWDN — Power-down input (active high) |
| Контакт 9 | CLK — Sample clock input |
| Контакт 10 | AVDD — Analog 3.3 V supply (pin) |
| Контакт 11 | AGND — Analog ground |
| Контакт 12 | D0 — Digital output bit 0 (LSB) |
| Контакт 13 | D1 — Digital output bit 1 |
| Контакт 14 | D2 — Digital output bit 2 |
| Контакт 15 | D3 — Digital output bit 3 |
| Контакт 16 | D4 — Digital output bit 4 |
| Контакт 17 | D5 — Digital output bit 5 |
| Контакт 18 | D6 — Digital output bit 6 |
| Контакт 19 | D7 — Digital output bit 7 |
| Контакт 20 | D8 — Digital output bit 8 |
| Контакт 21 | D9 — Digital output bit 9 |
| Контакт 22 | D10 — Digital output bit 10 |
| Контакт 23 | D11 — Digital output bit 11 (MSB) |
| Контакт 24 | DRVDD — Digital output driver 3.3 V supply |
| Контакт 25 | DRGND — Digital output driver ground |
| Контакт 26 | DVDD — Digital core 3.3 V supply |
| Контакт 27 | DGND — Digital ground |
| Контакт 28 | OE — Output enable (active low) |
Типичное применение
THS1230IPWRG4 подходит для 6 применениеs: Portable Digital Oscilloscope Front-End, Digital IF Sampling for Communications Receivers, CCD / CIS Image-Scanner Digitizer, Ultrasound Beamformer Input Stage, Industrial Data Acquisition Modules, Battery-Powered Portable Instrumentation.
Portable Digital Oscilloscope Front-End
The THS1230IPWRG4 fits portable oscilloscope front-ends because its 30 MSPS sampling rate delivers 15 MHz of Nyquist bandwidth on a single 3.3 V rail, matching the bandwidth of many low-cost handheld scopes. The pipelined 12-bit core provides 72 dB SNR-enough vertical resolution for general-purpose waveform analysis of digital, sensor, and audio-bandwidth signals. Power-down between trigger events reduces average quiescent current below ~15 mW typical, extending battery runtime during auto-triggered or single-shot captures on field-instrument channels. Place the device on the analog layer close to the front-end attenuator/amplifier chain and feed its output to an FPGA or DSP for sample buffering.
Рекомендуется
Digital IF Sampling for Communications Receivers
For digital-IF signal chains, the THS1230IPWRG4 samples intermediate-frequency outputs directly at up to 30 MSPS, allowing software-defined radios (SDR) to digitize IF stages in the 0-15 MHz band. The 12-bit dynamic range and integrated power-down mode between bursts suit TDMA and packet-radio receiver architectures where the converter is duty-cycled. The configurable differential input mode rejects common-mode noise from the IF mixer output, while the single-ended mode is convenient for direct-conversion low-IF paths. Combined with a digital down-converter in an FPGA, this ADC forms the core of a low-power SDR receiver.
Рекомендуется
CCD / CIS Image-Scanner Digitizer
The THS1230IPWRG4 is well-suited to digitize linear-array CCD or CIS sensor outputs in document scanners, barcode readers, and industrial line-scan cameras. A 12-bit resolution preserves grayscale gradients down to ~0.025% per LSB, sufficient for 8-bit-per-channel image pipelines with headroom for sensor non-linearity correction. The configurable input (single-ended with offset) directly handles CCD output levels shifted by the source-follower stage. Operating at line rates below 30 MSPS with the integrated power-down between lines keeps total scan-head power dissipation low, important for compact USB-powered scanner designs.
Рекомендуется
Ultrasound Beamformer Input Stage
In low-channel-count ultrasound front-ends, the THS1230IPWRG4 converts the beamformer channel outputs to 12-bit digital words at 30 MSPS, sufficient for medical-imaging sample rates up to 30 MHz. Single-3.3-V supply operation simplifies isolated patient-connection power design, while the integrated power-down allows duty-cycled scanning between transmit bursts, lowering per-channel thermal rise in dense probe heads. The pipelined architecture with low-latency output enables tight beamformer delay-line calibration. Differential input mode rejects common-mode pickup from piezoelectric element crosstalk, improving image SNR.
Рекомендуется
Industrial Data Acquisition Modules
For industrial sensor-acquisition modules, the THS1230IPWRG4 provides a compact 3.3 V, 12-bit, 30 MSPS ADC solution in a 28-TSSOP that can be placed alongside a microcontroller or DSP for low-density digitizer boards. The configurable input ranges allow direct connection to 4-20 mA current-loop shunts, thermocouple amplifiers, and strain-gauge bridges with appropriate front-end scaling. The -40 C to +85 C industrial temperature grade supports factory-floor and outdoor enclosures without de-rating. The integrated power-down is convenient for polled-sensor designs where the controller wakes the ADC only when needed to conserve module power budget.
Рекомендуется
Battery-Powered Portable Instrumentation
In battery-powered instruments such as handheld spectrum analyzers, field data loggers, or portable medical monitors, the THS1230IPWRG4 helps minimize system power draw while maintaining measurement resolution. Operating from a single 3.3 V rail with the power-down pin asserted between sample bursts, the device can achieve an average current well below the full-speed quiescent rating. The 12-bit resolution is sufficient for general-purpose sensor metrics (voltage, current, temperature, vibration envelope) and the 28-TSSOP package keeps the analog front-end compact. Pairing the ADC with a low-power MCU for control and a serial flash for buffering creates a long-runtime, small-form-factor field instrument.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для THS1230IPWRG4 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | THS1230IPWR | THS1230IPWG4 | THS1215IPWG4 | THS1040CPWRG4 | THS1031IPWRG4 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 28-TSSOP (PW) | 28-TSSOP (PW) - same | 28-TSSOP (PW) - same | 28-TSSOP (PW) - same | 28-TSSOP (PW) - same | 28-TSSOP (PW) - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 10 bit | 10 bit |
| Sampling Rate | 30 MSPS | 30 MSPS | 30 MSPS | 15 MSPS | 40 MSPS | 30 MSPS |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Power-Down Pin | Yes | Yes | Yes | Yes | Yes | Yes |
| RoHS Compliant | Yes (G4) | No (non-G4) | Yes (G4) | Yes (G4) | Yes (G4) | Yes (G4) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Drop-In Compatibility | N/A (reference) | Yes (100% match) | Yes (100% match) | Yes (speed differs) | Yes (resolution differs) | Yes (resolution differs) |
Ключевые отличия
- Lowest sampling rate drop-in alternative is family-identical (против THS1215IPWG4)
- Higher resolution drop-in alternative within same package (против THS1040CPWRG4)
- Same-brand family guarantees true pin-to-pin compatibility (против Cross-brand equivalents (e.g. AD9226))
Заметки по проектированию
Estimated: at 30 MSPS full-speed, the THS1230IPWRG4 analog current draw on the 3.3 V AVDD rail is on the order of 35-50 mA typical - use a low-noise LDO (such as TPS7A4701 family) rather than a switching regulator to keep switching ripple below -80 dBc at the ADC input. Decouple AVDD with a 10 uF bulk ceramic in parallel with a 0.1 uF X7R within 3 mm of the package pin.
Route analog input traces as a differential pair with characteristic impedance of 50-100 ohm and length-match within 1 mm to maintain the SNR. Place the 28-TSSOP device with its analog pins facing the front-end amplifier and digital output pins facing the FPGA, separated by a ground moat. Avoid routing digital output (D0-D11) traces under the analog input pads.
The most frequent design pitfall is failing to bypass REFT and REFB reference pins adequately - this causes spurs at the sample clock and sub-harmonics in the output spectrum. Use 0.1 uF ceramic + 10 uF tantalum/ceramic in parallel on each reference pin. Also ensure the CLK input has a clean 50% duty cycle source; excess clock jitter degrades SNR by approximately 10*log10(Fs * tjit).
For optimal 12-bit dynamic range, keep the analog input amplitude at -1 dBFS typical and avoid driving the input above the rails. Use differential input mode whenever possible - it provides roughly 3 dB better SNR than single-ended by rejecting common-mode noise from the supply. Terminate the clock line with a series 33 ohm resistor near the ADC to dampen overshoot and ringing on fast 30 MSPS edges.
Информация о соответствии
RoHS compliance indicated by G4 suffix in part number. Reach and conflict-mineral compliance per TI standard product declarations. AEC-Q100 not applicable - this is an industrial-grade ADC, not an automotive-qualified part.
