TSH512CYFT datasheet(10/31 Pages) STMICROELECTRONICS

No de pièce	TSH512CYFT

Description	Hi-fi stereo/mono infrared transmitter and stereo sub-carrier generator

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Electrical characteristics

TSH512

10/31

Doc ID 8120 Rev 7

3.1

Supply section

3.2

Audio section

VBUF-OUT

DC

Output DC voltage

DC output current = 0.4 mA

1.25

VDC

H2BUF-OUT 2nd harmonic level

VBUF-OUT = 1.2 Vpp and ZL =2kΩ

-40

dBc

H3BUF-OUT 3rd harmonic level

VBUF-OUT =1.2 Vpp and ZL =2kΩ

-30

dBc

1.

Limits over -40° C < Tamb < +85° C range are guaranteed by statistical correlation.

Figure 3.

Supply current vs. supply voltage

Table 4.

Electrical characteristics for VCC = 2.7 V, Tamb = 25° C, faudio = 1 kHz, fcarrier = 2.8 MHz

(unless otherwise specified) (continued) (1)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

01

2345

6

0

2

4

6

8

10

12

14

16

18

TX1

TX1+Buffers

TX1+TX2

TX1+TX2+Buffers

V

CC(V)

Figure 4.

LNA distortion vs. frequency

Figure 5.

LNA distortion vs. LNA output

voltage

10

100

1000

10000

0.01

0.1

1

V

CC

= 2.7V

G

LNA

= 0dB

V

OUT-LNA

= 700mV

pp

Frequency (Hz)

0

200

400

600

800

1000

1200

1400

1600

1E-3

0.01

0.1

1

10

100

G

LNA

= 0dB

V

CC

= 5.5V

V

CC

= 2.7V

V

CC

= 2.3V

V

OUT-LNA

(mV

pp

)

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