SSM2604CPZ-R2 datasheet(3/28 Pages) AD

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SSM2604

Rev. 0 | Page 3 of 28

SPECIFICATIONS

TA = 25°C, AVDD = DVDD = 3.3 V, 1 kHz signal, fS = 48 kHz, PGA gain = 0 dB, 24-bit audio data, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Conditions

RECOMMENDED OPERATING CONDITIONS

Analog Voltage Supply (AVDD)

1.8

3.3

3.6

Digital Power Supply

1.5

3.3

3.6

Ground (AGND, DGND)

POWER CONSUMPTION

Power-Up

Stereo Record (1.5 V and 1.8 V)

Stereo Record (3.3 V)

Stereo Playback (1.5 V and 1.8 V)

Stereo Playback (3.3 V)

Power-Down

μW

LINE INPUT

Input Signal Level (0 dB)

1 × AVDD/3.3

V rms

Input Impedance

200

kΩ

PGA gain = 0 dB

kΩ

PGA gain = +33 dB

480

kΩ

PGA gain = −34.5 dB

Input Capacitance

Signal-to-Noise Ratio (A-Weighted)

PGA gain = 0 dB, AVDD = 3.3 V

PGA gain = 0 dB, AVDD = 1.8 V

Total Harmonic Distortion (THD)

−80

−1 dBFS input, AVDD = 3.3 V

−75

−1 dBFS input, AVDD = 1.8 V

Channel Separation

Programmable Gain

−34.5

+33.5

Gain Step

1.5

Mute Attenuation

−80

LINE OUTPUT

DAC

−1 dBFS input DAC + line output

Full-Scale Output

1 × AVDD/3.3

V rms

Signal-to-Noise Ratio (A-Weighted)

100

AVDD = 3.3 V

AVDD = 1.8 V

THD + N

−80

−75

AVDD = 3.3 V

−75

AVDD = 1.8 V

Power Supply Rejection Ratio

Channel Separation

LINE INPUT TO LINE OUTPUT

Full-Scale Output Voltage

1 × AVDD/3.3

V rms

Signal-to-Noise Ratio (A-Weighted)

AVDD = 3.3 V

AVDD = 1.8 V

Total Harmonic Distortion

−80

AVDD = 3.3 V

−80

AVDD = 1.8 V

Power Supply Rejection

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