AD1884

Parameter

Min

Typ

Max

Unit

DIGITAL TO ANALOG CONVERTERS

Resolution

Gain Error1 (Full Scale Span Relative to Nominal Input Voltage)

Interchannel Gain Mismatch (Difference of Gain Errors)

DAC Crosstalk1 (Input L, Zero R, Measure R_OUT; Input R, Zero L, Measure L_OUT)

24

–85

–95

±10

±0.5

Bits

%

dB

dB

dB

DAC VOLUMES

Step Size (DAC-0, DAC-1)

Output Gain/Attenuation Range

Mute Attenuation of 0 dB Fundamental1

–58.5

1.5

–80

0

dB

dB

dB

ADC VOLUMES

Step Size (ADCSEL-0, ADCSEL-1)

PGA Gain/Attenuation Range

–58.5

1.5

+22.5

dB

dB

ANALOG MIXER

Signal-to-Noise Ratio Input to Output – Ports B, C, or F, to Port D Output

Step Size: All Mixer Inputs

Input Gain/Attenuation Range: All Mixer Inputs

–34.5

90

–1.5

+12.0

dB

dB

dB

ANALOG LINE LEVEL OUTPUTS

Full-Scale Output Voltage: Line Out Drive Enabled

Ports A, D, E, F, and Mono Out

Output Impedance

1

External Load Impedance1

Output Capacitance

1

External Load Capacitance

1.0

2.83

10

190

15

1000

V rms

3

V p-p

Ω

k

Ω

pF

pF

ANALOG HP DRIVE OUTPUTS

Full-Scale Output Voltage: Line Out Drive Enabled

Ports A and D (when HP Drive is Enabled)

Output Impedance1

External Load Impedance

1

Output Capacitance1

External Load Capacitance

1

1.0

2.83

32

15

0.5

1000

V rms

V p-p

Ω

Ω

pF

pF

ANALOG INPUTS

Input Voltages—Port B, C, or E

Mic Boost = 0 dB

Input Voltages—Microphone Boost Amplifier, Ports B, C, or E

Mic Boost = +10 dB

Mic Boost = +20 dB

Mic Boost = +30 dB

Input Impedance

PCBEEP

Ports B, C, E (Mic Boost = 0 dB)

Port F

Input Capacitance

1

1

2.83

0.316

0.894

0.1

0.283

0.032

0.089

23

150

45

5

7.5

V rms

V p-p

V rms

V p-p

V rms

V p-p

V rms

V p-p

k

Ω

k

Ω

k

Ω

pF

Rev. 0

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Page 5 of 16

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January 2007