LM4908MM datasheet(4/21 Pages) NSC

4 / 21 page

Electrical Characteristics (Notes 2, 3) (Continued)

The following specifications apply for V

DD = 5V unless otherwise specified, limits apply to TA = 25˚C.

Symbol

Parameter

Conditions

LM4908

Units

(Limits)

Typ

(Note 7)

Limit

(Note 8)

Load Capacitance

200

Slew Rate

Unity Gain Inverting

V/µs

Electrical Characteristics (Notes 2, 3)

The following specifications apply for V

DD = 3.3V unless otherwise specified, limits apply to TA = 25˚C.

Symbol

Parameter

Conditions

Units

(Limits)

Typ

(Note 7)

Limit

(Note 8)

Supply Current

IN = 0V, IO = 0A

1.4

mA (max)

Input Offset Voltage

IN = 0V

mV (max)

Output Power

THD+N = 0.1%,f=1kHz

L =16

Ω

L =32

Ω

THD+N = 10%,f=1kHz

L =16

Ω

L =32

Ω

Electrical Characteristics (Notes 2, 3)

The following specifications apply for V

DD = 2.6V unless otherwise specified, limits apply to TA = 25˚C.

Symbol

Parameter

Conditions

Units

(Limits)

Typ

(Note 7)

Limit

(Note 8)

Supply Current

IN = 0V, IO = 0A

1.3

mA (max)

Input Offset Voltage

IN = 0V

mV (max)

Output Power

THD+N = 0.1%,f=1kHz

L =16

Ω

L =32

Ω

THD+N = 10%,f=1kHz

L =16

Ω

L =32

Ω

Note 2: All voltages are measured with respect to the ground pin, unless otherwise specified.

Note 3: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

functional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which

guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit

is given, however, the typical value is a good indication of device performance.

Note 4: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum

allowable power dissipation is PDMAX =(TJMAX −TA)/ θJA. For the LM4908, TJMAX = 150˚C, and the typical junction-to-ambient thermal resistance, when board

mounted, is 210˚C/W for package MUA08A and 170˚C/W for package M08A.

Note 5: Human body model, 100pF discharged through a 1.5k

Ω resistor.

Note 6: Machine Model, 220pF–240pF discharged through all pins.

Note 7: Typicals are measured at 25˚C and represent the parametric norm.

Note 8: Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level). Datasheet min/max specification limits are guaranteed by design, test,

or statistical analysis.

Note 9: The given

θJA is for an LM4908 packaged in an LQB08A with the Exposed-DAP soldered to a printed circuit board copper pad with an area equivalent to

that of the Exposed-DAP itself.

Note 10: The given

θJA is for an LM4908 packaged in an LQB08A with the Exposed-DAP not soldered to any printed circuit board copper.

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