TSH511

Overall circuit performance

9/25

4

Overall circuit performance

Note:

PSOPH: Signal on Noise Ratio curve measured with a CCITT standard psophometric

bandpass characteristic. It approximates the response of human hearing.

Figure 2.

Supply current vs. supply voltage

Figure 3.

resistor

Figure 4.

S/N vs. 2.8 MHz input level

012

3

4

5

6

0

2

4

6

8

10

12

14

16

18

20

RX1+ (RX1 Buffer)

RX1+Buffers

RX1+RX2+Buffers

V

CC

(V)

110

100

0

10

20

30

40

50

60

F

IN

= 100 kHz

F

IN

= 1 MHz

V

CC

= 2.7V

R

MUTE

(k

1

10

100

1000

0

10

20

30

40

50

60

PSOPH

BW = 30 kHz

V

CC

= 2.7 V

Deviation = +/-75 kHz

Input Level (

Figure 5.

Supply current vs. temperature

Figure 6.

Sensitivity vs. supply voltage

-40

-20

0

2040

6080

0

2

4

6

8

10

12

14

16

18

20

V

CC

= 2.7V

TX1+TX2

TX1

TX1+Buffers

TX1+TX2+Buffers

T

AMB

(°C)

2345

0

5

10

15

20

25

F

CARRIER

= 2.8MHz

F

MOD

= 1 kHz

Deviation = +/- 75kHz

BW = 30 kHz

V

CC

(V)