ARA2000 datasheet(12/21 Pages) ANADIGICS

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Data Sheet - Rev 2.3

04/2011

ARA2000

table 6: programming Word

loGic pRoGRAMMinG

table 7: data description

table 8: device Address

programming instructions

The programming word is set through a 16 bit shift

data is entered in order with the most significant bit

(MSB) first and the least significant bit (LSB) last. The

enable line must be low for the duration of the data

entry, then set high to latch the shift register. The

rising edge of the clock pulse shifts each data value

into the register.

The device is selected when the logic inputs at pins

16 and 15 match the values of data bits C1 and C0,

respectively.

dAtA Bit

d15 d14 d13 d12 d11 d10 d9

d1 d0

Value

P7 P6 P5 P4 P3 P2

P1 P0

C1 C0

VAlue

function

( 1 = on, 0 = bypass)

N/A

32 dB Attenuator Bit

16 dB Attenuator Bit

8 dB Attenuator Bit

4 dB Attenuator Bit

2 dB Attenuator Bit

1 dB Attenuator Bit

loGic leVel input to

AddRess deVice

pin 16 (c1)

pin 15 (c0)

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