SSM2804CBZ-R7 datasheet(5/36 Pages) AD

5 / 36 page

SSM2804

Rev. 0 | Page 5 of 36

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

HEADPHONE OUTPUT

Output Offset Voltage (VOS)

Headphone only

INAx, INBx, INCx inputs

Output Power (POUT)

RL = 32 Ω, THD + N = 1%

RL = 16 Ω, THD + N = 1%, 1 μF charge pump

capacitor

Total Harmonic Distortion Plus Noise

(THD + N)

0.012

RL = 32 Ω, POUT = 15 mW

0.02

RL = 16 Ω, POUT = 10 mW

Output Noise (Vn)

μV

20 Hz to 20 kHz, A-weighted

Signal-to-Noise Ratio (SNR)

800 mV rms output, A-weighted

Power Supply Rejection Ratio (PSRR)

217 Hz, 200 mV p-p ripple

1 kHz, 200 mV p-p ripple

Crosstalk

1 kHz, POUT = 12 mW

Minimum Load Resistance (RLOAD)

Maximum Capacitive Load (CLOAD)

500

Gain Range

−75

ESD Protection

±8

RECEIVER PATH (BYPASS SWITCH)

Path Impedance (RON), Receiver Inputs

to Speaker Outputs

1.5

RCV+ to EP+ and RCV− to EP−

Signal Path THD + N

0.1

POUT = 70 mW, RL = 32 Ω or POUT = 17.5 mW,

RL = 8 Ω

Output Noise

μV

20 Hz to 20 kHz, A-weighted

Off Channel Isolation

217 Hz, 200 mV p-p ripple

Input Common Mode

PVDD/2

Table 2. Digital Logic Levels (CMOS Levels)

Parameter

Min

Typ

Max

Unit

Input Low Level (VIL)

0.35

Input High Level (VIH)

1.35

Output Low Level (VOL)

0.1 × AVDD

Output High Level (VOH)

0.9 × AVDD

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