The AD8604ARUZ-REEL from Analog Devices is a precision CMOS, rail to rail, input/output wideband quad operational amplifier in 14 lead in TSSOP package. It features very low offset voltage and wide signal bandwidth. This amplifier uses a new, patented trimming technique that achieves superior performance without laser trimming. It is specified to operate on a 3V to 5V single supply. The combination of very low input bias currents and high speed make this amplifier useful in a wide variety of applications. Filters, integrators, diode amplifiers, shunt current sensors and high impedance sensors all benefit from combination of performance features. Applications for this amplifier include audio amplification for portable devices, portable phone headsets, bar code scanners, cellular PA controls and multipole filters. The ability to swing rail to rail at both input and output enables designers to buffer CMOS ADCs, DACs, ASICs and other wide output swing devices in single supply systems.
- Single supply operation from 2.7V to 5.5V, 0.05pA/√Hz current noise density at f = 1KHz, VS = 5V
- 750μA/amplifier supply current, 360KHz full power bandwidth, 8.4MHz gain bandwidth product at VS=5V
- Slew rate of 6V/μs (RL = 2Kohm), settling time (to 0.01%) of <1μs at VS= 5V
- No phase reversal, low input currents, 0.05pA/√Hz current noise density at f = 1KHz, VS = 5V
- Offset voltage of 80μV (0V <= VCM <= 5V) at VS = 5V, -40°C <= TA <= +125°C
- Input bias current of 1000pA at VS = 5V, -40°C <= TA <= +125°C, unity gain stable, low distortion
- CMRR of 89dB (VCM = 0V to 5V) at VS = 5V, PSRR of 80dB at VS = 2.7V to 5.5V, -40°C <= TA <= +125°C
- Large signal voltage gain of 80V/mV (VO = 0.5V to 4.5V, RL = 2Kohm, VCM = 0V) at VS = 5V
- 33nV/√Hz (f=1KHz), 18nV/√Hz (f=10KHz) voltage noise density at VS=5V
- Operating temperature range from -40°C to +125°C
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