AD1981HD datasheet(4/16 Pages) AD

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AD1981HD

Rev. 0 | Page 4 of 16

SPECIFICATIONS

Test conditions, unless otherwise noted.

Table 1. Test Conditions

Parameter

Typ

Unit

TEMPERATURE

°C

DIGITAL SUPPLY (DVDD)

3.3 ±10%

ANALOG SUPPLY (AVDD)

5.0 ±10%

SAMPLE RATE (FS)

kHz

INPUT SIGNAL

1.0

kHz

ANALOG OUTPUT PASS BAND

20 to 20,000

VIH

2.0

VIL

0.8

VIH

2.4

VIL

0.6

DAC Test Conditions

Calibrated

Output −3 dB relative to full scale

10 kΩ output load, Ports C, D, F, and mono

32 Ω output load, Port A

ADC Test Conditions

Calibrated

0 dB PGA gain

Input −3.0 dB relative to full scale

Input sourced on Port B, 0 dB boost

Table 2. Analog Input

Parameter

Min

Typ

Max

Unit

PORTS B, C, D, E: 0 dB

V rms 1

2.83

V p-p

PORTS B, C, D, E: 30 dB

0.032

V rms

0.089

V p-p

PORTS B, C, D, E: 20 dB

0.1

V rms

0.283

V p-p

PORTS B, C, D, E: 10 dB

0.316

V rms

0.894

V p-p

PORT F, CD IN

V rms

2.83

V p-p

INPUT IMPEDANCE2

kΩ

INPUT CAPACITANCE

7.5

1 RMS values assume sine wave input.

2 Guaranteed by design; not production tested.

Table 3. Master Volume

Parameter

Min

Typ

Max

Unit

STEP SIZE (Ports A, B, C, D, E, MONO_OUT)

1.5

OUTPUT GAIN RANGE

–46.5

MUTE ATTENUATION OF 0 dB FUNDAMENTAL

1 Guaranteed by design; not production tested.

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