The SA5214 is a 75MHz postamplifier system designed to accept low level high-speed signals. These signals are converted into a TTL level at the output. The SA5214 can be DC coupled with the previous transimpedance stage using SA5210, SA5211 or SA5212 transimpedance amplifiers. This ?system on a chip? features an auto-zeroed first stage with noise shaping, a symmetrical limiting second stage, and a matched rise/fall time TTL output buffer. The system is user-configurable to provide noise filtering, adjustable input thresholds and hysteresis. The threshold capability allows the user to maximize signal-to-noise ratio, insuring a low Bit Error Rate (BER). An Auto-Zero loop can be used to minimize the number of external coupling capacitors to one. A signal absent flag indicates when signals are below threshold. Additionally, the low signal condition forces the overall TTL output to a logical Low level. User interaction with this ?jamming? system is available. The SA5214 is packaged in a standard 20-pin surface-mount package and typically consumes 42mA from a standard 5V supply. The SA5214 is designed as a companion to the SA5211/5212 transimpedance amplifiers. These differential preamplifiers may be directly coupled to the post-amplifier inputs. The SA5212/5214 or SA5211/5214 combinations convert nanoamps of photodetector current into standard digital TTL levels.
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| SA5214D | SA5214D | 9350 039 60602 | Volume production | SOT163-1
(SO20) | Tube (Signetics) | Standard Marking | SA5214D
| week 12, 2005 |
| SA5214D | SA5214D-T | 9350 039 60623 | Volume production | SOT163-1
(SO20) | Reel Pack, SMD, 13" (Signetics) | Standard Marking | SA5214D
| week 12, 2005 |
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| SA5214D | 9350 039 60602 | not available | ||||||
| SA5214D | 9350 039 60623 | Order samples |
| Type number | Package | REMARKS | Power dissipation(mW) | Operating temp.(Cel) | Amplifier Type | Operating Frequency(MHz) | ESD protection(kV) | Supply voltage, analog part, VDDA(V) | Supply voltage, digital part, VDD(V) | Part type |
|---|---|---|---|---|---|---|---|---|---|---|
| SA5214D | SOT163-1
(SO20) | Link status threshold &hysteresis programmable | 350 | -40 to +85 | Post-Amp System | 75 | Y | 5 | 5 | Amplifier, Post-amp System |
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