Rainbow-electronics DS1807 Uživatelský manuál stáhnout pdf (Strana 11)

DS1807

11 of 13 110499

ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C;V

CC

=2.7V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

End to End Resistor Tolerance -20 +20 % 17

Absolute Tolerance

-1 +1 dB

10

Interchannel Matching

-0.5

+0.5

dB

15

Tap-to-Tap -0.25 +0.25 dB 11

-3 dB Cutoff Frequency f

cutoff

700 kHz 14

Temperature Coefficient 750 ppm/°C

Total Harmonic Distortion

(V IN =1 V RMS , 1 kHz, Tap

= -6 dB)

THD 0.002

%

14

Output Noise (20 Hz to 20 kHz,

Grounded Input, Tap = -6 dB)

2.2

µV

RMS

14

Digital Feedthrough

(20 Hz to 20 kHz, Tap = -6 dB)

-90 dB 14

Interchannel Isolation

(1 kHz, Tap = -6 dB)

-100 dB 14

Mute Control Active -100 dB

AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C;V

CC

=2.7V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

SCL Clock Frequency f

SCL

0

0

400

100

kHz *

**

Bus Free Time Between STOP and

START Condition

t

BUF

1.3

4.7

µs *

**

Hold Time (Repeated) START

Condition

t

HD:STA

0.6

4.0

µs 5

Low Period of SCL Clock t

LOW

1.3

4.7

µs

High Period of SCL Clock t

HIGH

0.6

4.0

µs

Data Hold Time t

HD:DAT

0

0

0.9 µs 6,7

Data Set-Up Time t

SU:DAT

100

250

ns 8

Rise Time of both SDA and SCL

Signals

t

R

20+0.1C

R

300

1000

ns 9

Fall Time of both SDA and SCL

Signals

t

F

20+0.1C

R

300

300

ns 9

Set-Up Time for STOP Condition t

SU:STO

0.6

4.0

µs

Capacitive Load for each Bus Line C

R

400 pF

*fast mode

**standard mode

1 2 ... 6 7 8 9 10 11 12 13

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