TSX9291 datasheet(6/31 Pages) STMICROELECTRONICS

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Electrical characteristics

TSX9291, TSX9292

6/31

DocID024568 Rev 4

Gain

Minimum gain for stability

Phase margin = 60 °

, Rg = Rf = 1 kΩ

RL = 10 kΩ, CL = 20 pF

-1

SR+

Positive slew rate

Av = +1, Vout = 0.5 to 4.0 V

Measured between 10 % to 90 %

μs

SR-

Negative slew rate

Av = +1, Vout = 4.0 to 0.5 V

Measured between 90 % to 10 %

Equivalent input noise

voltage

f = 10 kHz

f = 100 kHz

17.9

12.9

∫ en

Low-frequency peak-to-

peak input noise

Bandwidth: f = 0.1 to 10 Hz

8.1

µVpp

THD+N

Total harmonic distortion +

noise

f = 1 kHz, Av = +1,

RL = 10 kΩ, Vout = 2 Vrms

0.002

1. Typical value is based on the Vio drift observed after 1000h at 125°C extrapolated to 25°C using the Arrhenius law and

assuming an activation energy of 0.7 eV. The operational amplifier is aged in follower mode configuration. See Section 4.6:

Long-term input offset voltage drift.

2. When used in comparator mode, with high differential input voltage, during a long period of time with VCC close to 16V and

Vicm>VCC/2, Vio can experience a permanent drift of few mV drift. The phenomenon is particularly worsen at low

temperatures.

Table 4. Electrical characteristics at VCC+ = +4.5 V with VCC- = 0 V, Vicm = VCC/2, Tamb = 25 ° C, and

RL = 10 kΩ connected to VCC/2 (unless otherwise specified) (continued)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

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