ADS5121 Obsolete 8-Channel 40MSPS ADC In Stock
The ADS5121 is a low-power, eight-channel analog-to-digital converter from Texas Instruments. It provides 10-bit resolution and simultaneous sampling at up to 40MSPS per channel.
TI officially lists the ADS5121 as obsolete. Remaining inventory may still be required for legacy ultrasound, instrumentation and multichannel data-acquisition equipment.
ADS5121 Specifications
| Parameter | Specification |
| Manufacturer | Texas Instruments |
| Lifecycle | Obsolete |
| Number of channels | 8 differential inputs |
| Resolution | 10 bits |
| Maximum sample rate | 40MSPS |
| Analog input bandwidth | 22MHz |
| Input range | 1V peak-to-peak differential |
| Output interface | Parallel CMOS |
| SNR | 60dB typical |
| SFDR | 74dB typical |
| ENOB | 9.5 bits typical |
| Analog/digital supply | 1.8V |
| Digital I/O supply | 1.8V or 3.3V |
| Power consumption | 500mW typical |
| Package | 257-ball MicroStar BGA, 16×16mm |
| Temperature range | −40°C to +85°C |
Complete Ordering Code
| Part number | Package | Shipping format |
| ADS5121IZHK | 257-ball UBGA | JEDEC tray |
Applications
ADS5121 is commonly used in:
Portable ultrasound systems
Portable instrumentation
Multichannel data acquisition
Industrial imaging equipment
Low-power signal-processing systems
ADS5121 Replacement Option
TI identifies the active ADS5270 as a similar-function alternative, but it is not a drop-in replacement.
| Parameter | ADS5121 | ADS5270 |
| Resolution | 10 bits | 12 bits |
| Sample rate | 40MSPS | 40MSPS |
| Input range | 1Vpp differential | 2Vpp differential |
| Output interface | Parallel CMOS | Serialized LVDS |
| Package | 257-ball BGA | 80-pin HTQFP |
| Status | Obsolete | Active |
ADS5121 Stock and RFQ
Please provide:
Part number: ADS5121IZHK
Required quantity
Preferred date code
Original tray requirements
Testing or traceability requirements
Delivery country
Stock, price, date code and lead time will be confirmed with each RFQ.
FAQ
Is ADS5121 obsolete?
Yes. Texas Instruments lists ADS5121 as obsolete and no longer in production.
What is the resolution of ADS5121?
ADS5121 provides 10-bit resolution across eight simultaneously sampled input channels.
What is the complete ADS5121 part number?
The orderable device code is ADS5121IZHK, supplied in a 257-ball MicroStar BGA package.
Can ADS5270 directly replace ADS5121?
No. ADS5270 has higher resolution but uses a different package, supply arrangement, input range and LVDS output interface.
What information is required for an ADS5121 quote?
Provide the complete part number, quantity, date-code preference, packaging requirement and delivery destination.
Request an ADS5121 Quote
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