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Produktneuheiten allgemein
#1
TI hat einen neuen OPV im Angebot, den OPA828:

Zitat:The OPA828 JFET is the next generation OPA627 and OPA827 operational amplifier (op amp), combining high speed with high DC precision and AC performance. This op amp supplies low-offset voltage (50 µV), low-drift over temperature (0.45 µV/°C typical), low bias current (1 pA typical), and low noise (4 nV/√Hz typical) with only 60-nVRMS 0.1- to 10-Hz noise. The OPA828 operates over a wide supply-voltage range, ±4 V to ±18 V on a supply current (5.5 mA/channel typical).

AC characteristics, including a 45-MHz gain bandwidth product (GBW), a slew rate of 150 V/µs, and precision dc characteristics, make the OPA828 an excellent choice for a variety of systems. These include high-speed and high-resolution data-acquisition systems, such as 16-bit to 18-bit mixed signal systems, transimpedance (I/V-conversion) amplifiers, filters, precision ±10-V front ends, and high-impedance sensor-interface applications.

The OPA828 is available in the industry-standard 8-pin SOIC surface-mount package and is specified from –40°C to +125°C.

http://www.ti.com/product/OPA828
http://www.ti.com/lit/ds/symlink/opa828.pdf
 
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#2
ThumbUp

...aber halt  6,50 + (mouser) ...wenn nicht als sample))  Rolleyes
    Don't worry about getting older.  You're still gonna do dump stuff...only slower
 
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#3
Ist wohl relativ,weil:

Zitat:The OPA828 JFET is the next generation OPA627 and OPA827

Preise bei Mouser:
OPA627: ~22€
OPA827: ~7.80€

Btw. auch "neu", der OPA2156:

http://www.ti.com/product/OPA2156
http://www.ti.com/lit/ds/symlink/opa2156.pdf

Zitat:
The OPA2156 is the first in a planned new generation of 36-V, rail-to-rail operational amplifiers (op amps).

This devices offers very low offset voltage (±200 µV, max), drift (±3 µV/°C, max), and low bias current (±5 pA) combined with very low broadband voltage noise (3 nV/√Hz). Unique features, such as rail-to-rail input and output voltage ranges, wide bandwidth (25 MHz) high output current (100 mA), and high slew rate (40 V/µs) make the OPA2156 a robust, high-performance operational amplifier for high-voltage precision industrial applications. The OPA2156 op amp is available in an 8-pin SOIC package and is specified over the industrial temperature range of –40°C to 125°C.
 
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#4
stimmt schon, aber die OPA627 haben auch Phantasie-Preise....vmtl weil sie als "super-audio-dingsbums-spezial-opamp" gerühmt wurden (ich hatte die auch mal getestet, fand nix so dolles an deren Klang - falls man auf dem level überhaupt noch von "Klang" des opamp reden will , die beteiligen (Folien-) Kondensatoren produzieren deutlich mehr "Klang"-Variationen

+
OPA2156 find ich cool: (ist auch deutlich günstiger)

   

das doch mal ein "klarer" Klirrverlauf  Tongue
    Don't worry about getting older.  You're still gonna do dump stuff...only slower
 
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