TS472 datasheet(6/25 Pages) STMICROELECTRONICS

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Electrical characteristics

TS472

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Doc ID 11015 Rev 6

Electrical characteristics

Table 5.

Electrical characteristics at VCC = 3 V with GND = 0 V, Tamb = 25° C

(unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Equivalent input noise voltage density

REQ =100 Ω at 1 kHz

THD+N

Total harmonic distortion + noise

20 Hz

≤F ≤ 20 kHz, gain = 20 dB, Vin =50mVRMS

0.1

Vin

Input voltage, gain = 20 dB

mVRMS

Bandwidth at -3 dB

Bandwidth at -1 dB

pin A3, B3 floating

kHz

Overall output voltage gain (Rgs variable):

Minimum gain, Rgs infinite

Maximum gain, Rgs = 0

-3

39.5

-1.5

42.5

Zin

Input impedance referred to GND

100

120

RLOAD

Resistive load

CLOAD

Capacitive load

100

ICC

Supply current, gain = 20 dB

1.8

2.4

ISTBY

Standby current

μA

PSRR

Power supply rejection ratio, gain = 20 dB,

F = 217 Hz, Vripple = 200 mVpp, inputs grounded

Differential output

Single-ended outputs,

-70

-46

Table 6.

Bias output: VCC = 3 V, GND = 0 V, Tamb = 25° C

(unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Vout

No load condition

1.9

2.1

Rout

Output resistance

100

120

Iout

Output bias current

PSRR

Power supply rejection ratio, F = 217 Hz,

Vripple = 200 mVpp

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