COSINE Tier-1 distributor Jarwey|36V 2MHz precision op-amp ladder vs OP1177
Jarwey 105 2026-09-14 09:33:11
Jarwey is a Tier-1 distributor of COSINE—selection support, datasheets, sampling & small batch, lead-time coordination.
COSINE 36 V, 2 MHz precision op-amps target sensor amplification, medical instruments, and industrial signal processing. Use channel count to evaluate an OP1177 / OP2177 / OP4177 second-source path: COS1177, COS2177, COS4177 share the catalog electrical set. A BMS/servo current-sense note already exists for COS4177SR—this page is the channel ladder. Faster siblings: 10 MHz and 25 MHz.
Datasheets from Jarwey. Cross-refs need bench confirmation.
Product features
High precision, low drift, low noise density. Catalog: 2.0 MHz GBP, 0.7 V/µs, 50 µV max Vos, 0.2 µV/°C, 8 nV/√Hz at 1 kHz.
Applications (vendor-stated)
Sensor amplification, medical instruments, and industrial control processing.
2 MHz precision table
| PN | Ch | Supply | GBP | Vos max | Pkg | Cross-ref | Page |
|---|---|---|---|---|---|---|---|
| COS1177SR | 1 | 4.5–36 V | 2.0 MHz | 50 µV | SOP-8 | OP1177 / OPA277 | 1013 |
| COS2177SR | 2 | 4.5–36 V | 2.0 MHz | 50 µV | SOP-8 | OP2177 / OPA2277 | 1014 |
| COS4177SR | 4 | 4.5–36 V | 2.0 MHz | 50 µV | SOP-14 | OP4177 / OPA4277 | 866 |
Also MSOP-8 and TSSOP-14 suffixes. Catalog Iq 0.33 mA, Ib 1 nA.
Checklist before freeze
- Channels: single sensor, dual path, or quad acquisition.
- Bandwidth: is 2 MHz enough, or move to the 10/25 MHz families?
- Offset budget: 50 µV and 0.2 µV/°C vs medical/industrial error.
- Rails / footprint: ±18 V, SOP vs MSOP.
- Samples: request from Jarwey.
Pages & contact
Jarwey · COSINE Tier-1 distributor · kerry.w@jarwey.cn · Contact.
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