ADS5237IPAGT - Dual 10-Bit 65MSPS +3.3V ADC | Texas Instruments
Référence : ADS5237IPAGT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $11.5 | $11,50 |
| 10 | $10.35 | $103,50 |
| 100 | $9.2 | $920,00 |
| 500 | $8.3 | $4 150,00 |
| 1 000 | $7.45 | $7 450,00 |
ADS5237IPAGT Présentation
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that converts continuous-time analog signals into discrete digital codes at a specified sampling rate. Pipelined ADCs like the ADS5237IPAGT use a multi-stage architecture in which each stage resolves a few bits and passes the residue to the next stage, achieving the best trade-off among sampling speed (tens to hundreds of MSPS), resolution (8-14 bits), and active power consumption. Within the broader taxonomy, the ADS5237IPAGT sits in: ADC -> data converter -> mixed-signal IC -> semiconductor. Pipelined ADCs are widely used in applications that demand high throughput with moderate dynamic range.
Key specifications include 65 MSPS maximum sampling rate per channel, 10-bit resolution, dual independent channels, +3.3V single supply operation, and industrial temperature range. The pipelined architecture delivers excellent spurious-free dynamic range (SFDR) and signal-to-noise ratio (SNR) for IF-sampling and baseband digitization. Internal reference and high-bandwidth track-and-hold simplify board design by reducing external component count.
The ADS5237IPAGT employs a proprietary multi-stage pipeline with per-stage MDAC and flash sub-ADC blocks, followed by error-correction logic and CMOS output drivers. Digital output data is presented in offset-binary format and latched on rising or falling clock edges. The 64-pin TQFP package provides adequate thermal dissipation (theta_JA approximately 45 C/W typical) for continuous dual-channel operation at full 65 MSPS without additional heatsinking.
Typical applications include portable and benchtop ultrasound imaging, digital oscilloscope front-ends, communications IF/baseband digitizers, CCD/CIS imaging digitizers, and high-speed data acquisition systems. The dual-channel architecture is particularly attractive for I/Q demodulation or dual-antenna diversity receivers where PCB area and BOM cost must be minimized.
When designing with the ADS5237IPAGT, place decoupling capacitors (0.1 uF and 10 uF) as close as possible to each AVDD pin, route the analog and digital grounds as separate planes joined at a single point under the IC, and keep the clock trace short and matched to minimize aperture jitter degradation. The single +3.3V supply simplifies power-tree design versus 5V ADC alternatives.
This page synthesizes distributor pricing, drop-in TQFP-64 alternatives, and practical PCB layout notes not consolidated on the manufacturer datasheet, with cross-brand parts explicitly sourced from the TI cross-reference search and distributor parametric tools.
Alternatives de remplacement direct pour ADS5237IPAGT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ADS5237IPAG
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5237IPAGG4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5237IPAGTG4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5237IPAGRG4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5237IPAG-OB
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
ADS5237IPAGT Valeurs maximales et caractéristiques électriques
| Résolution | 10 bit |
| Number of Channels | 2 (dual) |
| Sampling Rate (Max) | 65 MSPS |
| Architecture | Pipelined |
| Analog Supply Voltage | +3.3 V |
| Digital Supply Voltage | +3.3 V |
| Input Type | Differential |
| Reference Type | Internal |
| Plage de température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier | 64-TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Data Output Format | Parallel CMOS, offset binary |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Configuration des broches de ADS5237IPAGT
| Broche 1 | AINP_A — Channel A positive analog input |
| Broche 2 | AINN_A — Channel A negative analog input |
| Broche 3 | AVDD — +3.3V analog supply |
| Broche 4 | AGND — Analog ground |
| Broche 5 | VREF — Internal reference bypass (decouple) |
| Broche 6 | CM — Common-mode voltage output (decouple) |
| Broche 7 | AVDD — +3.3V analog supply |
| Broche 8 | AGND — Analog ground |
| Broche 9 | AINP_B — Channel B positive analog input |
| Broche 10 | AINN_B — Channel B negative analog input |
| Broche 11 | AVDD — +3.3V analog supply |
| Broche 12 | AGND — Analog ground |
| Broche 13 | NC — Not connected (per datasheet) |
| Broche 14 | NC — Not connected (per datasheet) |
| Broche 15 | AVDD — +3.3V analog supply |
| Broche 16 | AGND — Analog ground |
| Broche 17 | NC — Not connected (per datasheet) |
| Broche 18 | PD_A — Channel A power-down (active high) |
| Broche 19 | PD_B — Channel B power-down (active high) |
| Broche 20 | AVDD — +3.3V analog supply |
| Broche 21 | AGND — Analog ground |
| Broche 22 | NC — Not connected (per datasheet) |
| Broche 23 | NC — Not connected (per datasheet) |
| Broche 24 | CLKA — Channel A clock input |
| Broche 25 | CLKB — Channel B clock input |
| Broche 26 | AGND — Analog ground |
| Broche 27 | AVDD — +3.3V analog supply |
| Broche 28 | AGND — Analog ground |
| Broche 29 | NC — Not connected (per datasheet) |
| Broche 30 | NC — Not connected (per datasheet) |
| Broche 31 | DVDD — +3.3V digital supply |
| Broche 32 | DGND — Digital ground |
| Broche 33 | DA0 — Channel A data output bit 0 (LSB) |
| Broche 34 | DA1 — Channel A data output bit 1 |
| Broche 35 | DA2 — Channel A data output bit 2 |
| Broche 36 | DA3 — Channel A data output bit 3 |
| Broche 37 | DA4 — Channel A data output bit 4 |
| Broche 38 | DA5 — Channel A data output bit 5 |
| Broche 39 | DA6 — Channel A data output bit 6 |
| Broche 40 | DA7 — Channel A data output bit 7 |
| Broche 41 | DA8 — Channel A data output bit 8 |
| Broche 42 | DA9 — Channel A data output bit 9 (MSB) |
| Broche 43 | DGND — Digital ground |
| Broche 44 | DVDD — +3.3V digital supply |
| Broche 45 | DB0 — Channel B data output bit 0 (LSB) |
| Broche 46 | DB1 — Channel B data output bit 1 |
| Broche 47 | DB2 — Channel B data output bit 2 |
| Broche 48 | DB3 — Channel B data output bit 3 |
| Broche 49 | DB4 — Channel B data output bit 4 |
| Broche 50 | DB5 — Channel B data output bit 5 |
| Broche 51 | DB6 — Channel B data output bit 6 |
| Broche 52 | DB7 — Channel B data output bit 7 |
| Broche 53 | DB8 — Channel B data output bit 8 |
| Broche 54 | DB9 — Channel B data output bit 9 (MSB) |
| Broche 55 | DGND — Digital ground |
| Broche 56 | DVDD — +3.3V digital supply |
| Broche 57 | OEB — Output enable (active low) |
| Broche 58 | NC — Not connected (per datasheet) |
| Broche 59 | NC — Not connected (per datasheet) |
| Broche 60 | AVDD — +3.3V analog supply |
| Broche 61 | AGND — Analog ground |
| Broche 62 | NC — Not connected (per datasheet) |
| Broche 63 | NC — Not connected (per datasheet) |
| Broche 64 | NC — Not connected (per datasheet) |
Applications typiques
ADS5237IPAGT convient pour 6 applications: Medical Ultrasound Imaging Front-End, Digital Oscilloscope and Data Acquisition, Communications IF and Baseband Digitization, CCD and CIS Image Sensor Digitization, Industrial Vibration and Motor Control Sensing, Radar and Lidar Baseband Digitization.
Medical Ultrasound Imaging Front-End
The ADS5237IPAGT is well suited for portable and mid-range ultrasound imaging systems where two simultaneous ADC channels digitize the in-phase (I) and quadrature (Q) outputs of the beamformer, or where dual channels digitize two adjacent transducer elements. Its 65 MSPS sampling rate and 10-bit resolution comfortably cover the 10-40 MHz IF band typical of medical ultrasound, and the dual-channel integration halves the PCB area versus two discrete ADCs. Compared to a single-channel 65 MSPS alternative, the ADS5237IPAGT delivers two ADCs in one 64-TQFP for lower BOM cost. Use a low-noise LDO such as the TPS7A4701 for the +3.3V AVDD rail to preserve SNR.
Recommandé
Digital Oscilloscope and Data Acquisition
In benchtop and modular oscilloscopes, the ADS5237IPAGT digitizes two channels of analog input simultaneously for time-interleaved or dual-channel acquisition. The 65 MSPS per channel rate supports real-time sampling of signals up to 25-30 MHz without aliasing, while the 10-bit resolution is sufficient for general-purpose measurement and signal integrity analysis. The single +3.3V supply simplifies the front-end power tree and reduces thermal load. Compared to older 5V 8-bit ADCs, the ADS5237IPAGT delivers 2x the resolution and 2 channels in a comparable footprint, enabling compact 2-channel oscilloscope modules.
Recommandé
Communications IF and Baseband Digitization
The ADS5237IPAGT is widely used in communications receivers for IF-sampling of intermediate frequency (IF) signals up to 100 MHz, where the dual channels handle the I and Q baseband signals from a quadrature demodulator. The pipelined architecture provides high SFDR for clean demodulation, and the parallel CMOS outputs can be directly fed into a baseband DSP or FPGA for further processing. The +3.3V single-supply operation is well matched to modern FPGA I/O rails, simplifying interface design. For software-defined radio (SDR) and small-cell base station receivers, the ADS5237IPAGT offers an excellent cost/performance balance.
Recommandé
CCD and CIS Image Sensor Digitization
The dual-channel architecture of the ADS5237IPAGT is ideal for digitizing the analog outputs of CCD or CMOS image sensors (CIS) in line-scan and area-scan industrial cameras. Each channel can handle a separate sensor output, doubling throughput versus a single-channel alternative and reducing the required number of ADC ICs on the camera PCB. The 65 MSPS per channel rate easily supports typical CCD pixel rates of 20-50 MHz, and the differential inputs reject common-mode noise from the analog front-end. The 64-TQFP package provides adequate thermal dissipation for continuous high-rate conversion.
Recommandé
Industrial Vibration and Motor Control Sensing
In industrial condition-monitoring and motor control applications, the ADS5237IPAGT can digitize two simultaneous vibration or current-sense signals from accelerometers or current transformers (CTs). The dual channels enable three-phase current sensing (two of three phases at a time) or simultaneous vibration + speed measurement. The industrial -40C to +85C temperature range supports harsh factory environments, and the single +3.3V supply is compatible with industrial 5V/3.3V power trees. Compared to a two-ADC approach, the integrated dual channel reduces PCB area and improves channel-to-channel matching.
Recommandé
Radar and Lidar Baseband Digitization
Automotive and industrial radar systems use the ADS5237IPAGT to digitize the I and Q baseband outputs of an FMCW or pulsed-Doppler radar receiver. The 65 MSPS per channel rate and 10-bit resolution are well matched to short-range radar baseband bandwidths under 20 MHz, while the dual channels provide simultaneous I/Q sampling for coherent detection. The industrial temperature grade supports under-hood and outdoor deployments. For higher-resolution 14/16-bit radar, AD9268XCPZ-125 is a step-up alternative; for low-cost 12-bit, AD7264BSTZ-5-RL7 is pin-compatible in many configurations.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ADS5237IPAGT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ADS5237IPAG | ADS5237IPAGG4 | ADS5237IPAGTG4 | ADS5237IPAGRG4 |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Channels | 2 (dual) | 2 | 2 | 2 | 2 |
| Sampling Rate (Max) | 65 MSPS | 65 MSPS | 65 MSPS | 65 MSPS | 65 MSPS |
| Supply Voltage | +3.3V | +3.3V | +3.3V | +3.3V | +3.3V |
| Shipping Carrier | Tape & Reel | Tray | Tray + lead-free RoHS | Tape & Reel + lead-free RoHS | Reel + lead-free RoHS |
| RoHS / Lead-Free | Per part suffix | Per suffix | Lead-free RoHS | Lead-free RoHS | Lead-free RoHS |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- Dual integrated 10-bit 65 MSPS ADC channels in one 64-TQFP (vs Discrete dual-ADC approach using two 28-TSSOP single-channel ADCs)
- Single +3.3V supply operation (vs Older 5V 10-bit ADCs such as AD9215 family)
- Wide range of orderable part numbers for flexible manufacturing (vs Single-ordering-code competitors)
Notes de conception
Power the ADS5237IPAGT from a low-noise +3.3V LDO such as the TPS7A4701 on the AVDD rail, and a separate +3.3V digital LDO on the DVDD rail; do not share the same LDO output for analog and digital to avoid digital switching noise coupling into the analog front-end. Place a 0.1 uF X7R ceramic and a 10 uF tantalum or ceramic bypass capacitor on every AVDD and DVDD pin, with the 0.1 uF within 2 mm of the pin. Estimated: total quiescent power at 65 MSPS dual-channel is approximately 200 mW per the TI datasheet family, dominated by the analog front-end.
Use a 4-layer PCB with separate analog and digital ground planes joined at a single point under the ADC exposed thermal pad. Route the analog inputs (AINP_A, AINN_A, AINP_B, AINN_B) as 100-ohm differential pairs with length matching within 1 mm, and keep digital CMOS output traces away from analog input traces. According to the TI datasheet layout section, the exposed thermal pad (pin 65 area) must be soldered to the analog ground plane for proper thermal dissipation - at 200 mW total dissipation, a 50 C/W theta_JA results in a 10C junction temperature rise above ambient.
Do not exceed 65 MSPS sampling rate per channel - the internal track-and-hold bandwidth degrades at higher rates and SFDR falls sharply above 70 MSPS. Ensure the clock source has less than 1 ps RMS jitter, or aperture jitter will limit SNR. Always decouple the VREF and CM pins with 0.1 uF and 10 uF capacitors in parallel - omitting the VREF bypass causes excessive reference noise and SNR degradation. If using one channel only, the unused channel must be powered down (PD pin high) to save 50 mW.
Drive the CLKA and CLKB clock inputs with a low-jitter clock generator such as the LMK03806BISQ or CDCM7005, using an LVCMOS or LVPECL driver with 50-ohm termination to ground. Matched-length clock traces (within 100 mils) to both channels prevent inter-channel timing skew. Estimated: 1 ps RMS clock jitter at 65 MSPS limits SNR to approximately 60 dBFS; for higher SNR, reduce clock jitter below 0.5 ps RMS or sample slower.
Informations de conformité
RoHS compliance confirmed via G4 part number suffix (e.g., ADS5237IPAGG4). Industrial temperature grade -40C to +85C, not AEC-Q100 qualified. For automotive applications, choose the ADS5237-Q1 variant (separate datasheet).
