AD1843JS datasheet(30/64 Pages) AD

30 / 64 page

REV. 0

–30–

AD1843

Address 3

Mix Control—DAC2 to Mixer

Data 15

Data 14

Data 13

Data 12

Data 11

Data 10

Data 9

Data 8

LD2MM

res

LD2M4

LD2M3

LD2M2

LD2M1

LD2M0

Data 7

Data 6

Data 5

Data 4

Data 3

Data 2

Data 1

Data 0

RD2MM

res

RD2M4

RD2M3

RD2M2

RD2M1

RD2M0

LD2MM

Left DAC2 Mix Mute

0 = Mix Enabled

1 = Mix Muted

LD2M4:0

Left DAC2 Mix Gain/Attenuation Select. Least significant bit represents –1.5 dB. Referred to 2.0 V p-p DAC2

output level.

00000 = +12.0 dB Gain

01000 = 0.0 dB

11111 = –34.5 dB Attenuation

RD2MM

Right DAC2 Mix Mute

0 = Mix Enabled

1 = Mix Muted

RD2M4:0

Right DAC2 Mix Gain/Attenuation Select. Least significant bit represents –1.5 dB. Referred to 2.0 V p-p DAC2

output level.

00000 = +12.0 dB Gain

01000 = 0.0 dB

11111 = –34.5 dB Attenuation

res

Reserved for future expansion. To ensure future compatibility, write “0” to all reserved bits.

Initial default state after reset: 1000 1000 1000 1000 (8888 hex). Cleared to default and cannot be written to when:

the RESET pin is asserted LO; when the PWRDWN pin is asserted LO; when the PDNO bit in Control Register

Address 0 is set to “1” (all conversions disabled); or when the DDMEN bit (DAC2 to DAC1 analog mix disabled),

the DA2EN bit (DAC2 powered down), or the ANAEN bit (analog channels powered down) in Control Register Ad-

dress 27 is reset to “0.”

Address 4

Mix Control—Auxiliary 1 to DAC1

Data 15

Data 14

Data 13

Data 12

Data 11

Data 10

Data 9

Data 8

LX1MM

res

LX1M4

LX1M3

LX1M2

LX1M1

LX1M0

Data 7

Data 6

Data 5

Data 4

Data 3

Data 2

Data 1

Data 0

RX1MM

res

RX1M4

RX1M3

RX1M2

RX1M1

RX1M0

LX1MM

Left Auxiliary 1 Mix Mute

0 = Mix Enabled

1 = Mix Muted

LX1M4:0

Left Auxiliary 1 Mix Gain/Attenuation Select. Least significant bit represents –1.5 dB. Referred to 2.0 V p-p DAC1

output level.

00000 = +12.0 dB Gain

01000 = 0.0 dB

11111 = –34.5 dB Attenuation

RX1MM

Right Auxiliary 1 Mix Mute

0 = Mix Enabled

1 = Mix Muted

RX1M4:0

Right Auxiliary 1 Mix Gain/Attenuation Select. Least significant bit represents –1.5 dB. Referred to 2.0 V p-p DAC1

output level.

00000 = +12.0 dB Gain

01000 = 0.0 dB

11111 = –34.5 dB Attenuation

AD1843JS Datasheet(PDF) 30 Page - Analog Devices

AD1843JS Datasheet(HTML) 30 Page - Analog Devices

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