Digitally Controlled Analog I/O Processor

16

MX839 PRELIMINARY INFORMATION

© 1998 MX

xCOM Inc.

www.mxcom.com Tele: 800 638-5577 336 744-5050

Fax: 336 744-5054

Doc. # 20480164.002

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

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Notes

Min.

Typ.

Max.

Units

A/Ds and Multiplexed Inputs

(Guaranteed monotonic)

Resolution

10

Bits

Input signal 'linear rate of change'

For 1 Bit error

0.27

mV/µs

Conversion Time

12

µs

Integral non-linearity

Figure 4

7

2.0

LSBs

Differential non-linearity

Figure 3

6

1.0

Zero error

-20

20

mV

1.0

TBD

MHz

Input Capacitance

TBD

pF

Variable Attenuators

Nominal Adjustment Range

MOD1 Attenuator

0

12.0

dB

MOD2 Attenuator

0

6.0

dB

Attenuation Accuracy

-1.0

1.0

dB

Step Size

MOD1

0.2

0.4

0.6

dB

MOD2

0.1

0.2

0.3

dB

Output Impedance

5

600

:

Bandwidth (-3dB)

100

kHz

Input Impedance

15

k

:

Magnitude Comparators and Interrupt

Request

Resolution

8

Bits

resistor R2 = 22k

10%

'Off' State Leakage Current at IRQ

10

µA

Xtal/Clock Input

Frequency Range

8

0.5

6.0

MHz

'High' pulse width

40

ns

'Low' pulse width

40

ns

Input Impedance (at 100Hz)

10

M

:

20

dB