STLC1512 datasheet(9/26 Pages) STMICROELECTRONICS

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STLC1512

Relative Gain Accuracy2,3

11.8<--> 1.8dB step

1.8<--> -5.2 dB step

-5.2 <--> -19.2 dB step

-0.15

-0.17

-0.2

0.15

0.17

0.2

Assume a fixed Vcc,

temperature, and frequency

Gain Variation with

Temperature<Superscript>2,<Sup

erscript>3,

-0.1

0.1

For a fixed Vcc and frequency

(30kHz <=f<=120kHz) relative

to 27o

Gain Variation with Supply

Voltage<Superscript>2,<Superscri

pt>3,

-0.1

0.1

For a fixed frequency (30kHz

<=f<=120kHz) and fixed

temperature relative to

Vcc=5.0V

Gain Variation with

Frequency

30KHz <= f <= 120Khz

-0.1

-0.001

For a fixed Vcc and

temperature relative to 30kHz

Signal to Distortion Ratio

Measured at pin PGAOUT for

a minimum load impedance of

440 Ohm and maximum

output signal of 1.1Vp. The

important test is the multi tone

test. The two tone specs exist

because there may be a

problem testing a multi tone

wave. They will be correlated

at bench.

D=00

Two tone4

IM2 @ 200kHz

IM3 @ 100kHz

Output DS Multi-tone Echo5

30kHz<=f<=120kHz

D=01

Two tone4

IM2 @ 200kHz

IM3 @ 100kHz

Output DS Multi-tone Echo5

30kHz<=f<=120kHz

D=10

Two tone4

IM2 @ 200kHz

IM3 @ 100kHz

Output DS Multi-tone Echo5

30kHz<=f<=120kHz

D=11

Two tone4

IM2 @ 200kHz

IM3 @ 100kHz

Output DS Multi-tone Echo5

30kHz<=f<=120kHz

Input Referred Noise Voltage6

at D=00

at D=01

at D=10

at D=11

5.8

11.6

22.5

7.5

133

nV/

√Hz

nV/

√Hz

nV/

√Hz

nV/

√Hz

Measured at PGAOUT and

referred to PGAIN.

Tested at

f=30kHz,120kHz,150kHz and

500kHz

Table 5. PGA performance Specifications

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