SSM2804CBZ-R7 datasheet(4/36 Pages) AD

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SSM2804

Rev. 0 | Page 4 of 36

SPECIFICATIONS

TA = 25°C, AVDD = 3.3 V, PVDD = 3.6 V, gain = 0 dB, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

POWER SUPPLY

Analog Voltage Supply (AVDD)

2.5

3.3

3.6

Speaker Voltage Supply (PVDD)

2.7

3.6

5.5

Total Quiescent Current (IDD)

3.5

HP mode only

6.0

Stereo Class-D mode only

9.8

HP and Class-D modes

400

μA

Receiver path mode

Power-Down Current (ISD)

μA

SD pin low

INPUT CHARACTERISTICS

Turn-On Time

SD rising edge from AGND to AVDD

PGA Mode Operation

Input Impedance

kΩ

Minimum gain setting

4.5

6.5

kΩ

Maximum gain setting

Gain Range

−12

+18

INAx, INBx, INCx inputs, 31 steps

Boost Mode Operation

Input Impedance

kΩ

Gain Range

INAx, INBx, INCx inputs, 3 steps

CLASS-D AMPLIFIER

Output Offset Voltage (VOS)

2.3

Output muted

Output unmuted

Output Power (POUT)

f = 1 kHz, mono operation

310

PVDD = 2.7 V, RL = 8 Ω + 33 μH, THD + N = 1%

700

PVDD = 3.6 V, RL = 8 Ω + 33 μH, THD + N = 1%

1.0

PVDD = 4.2 V, RL = 8 Ω + 33 μH, THD + N = 1%

1.4

PVDD = 5.0 V, RL = 8 Ω + 33 μH, THD + N = 1%

700

PVDD = 2.7 V, RL = 4 Ω + 15 μH, THD + N = 1%

1.5

PVDD = 3.6 V, RL = 4 Ω + 15 μH, THD + N = 1%

2.0

PVDD = 4.2 V, RL = 4 Ω + 15 μH, THD + N = 1%

2.9

PVDD = 5.0 V, RL = 4 Ω + 15 μH, THD + N = 1%

400

PVDD = 2.7 V, RL = 8 Ω + 33 μH, THD + N = 10%

860

PVDD = 3.6 V, RL = 8 Ω + 33 μH, THD + N = 10%

1.2

PVDD = 4.2 V, RL = 8 Ω + 33 μH, THD + N = 10%

1.7

PVDD = 5.0 V, RL = 8 Ω + 33 μH, THD + N = 10%

900

PVDD = 2.7 V, RL = 4 Ω + 15 μH, THD + N = 10%

1.8

PVDD = 3.6 V, RL = 4 Ω + 15 μH, THD + N = 10%

2.5

PVDD = 4.2 V, RL = 4 Ω + 15 μH, THD + N = 10%

3.6

PVDD = 5.0 V, RL = 4 Ω + 15 μH, THD + N = 10%

Total Harmonic Distortion Plus Noise

(THD + N)

0.01

RL = 8 Ω + 33 μH, POUT = 250 mW

Output Noise (Vn)

μV

20 Hz to 20 kHz, A-weighted

Signal-to-Noise Ratio (SNR)

2.0 V rms output, A-weighted, PVDD = 5 V

Power Supply Rejection Ratio (PSRR)

217 Hz, 200 mV p-p ripple

1 kHz, 200 mV p-p ripple

Common-Mode Rejection Ratio (CMRR)

Differential input mode, 1 kHz, 10 mV rms

Efficiency

POUT = 700 mW

Minimum Load Resistance (RLOAD)

Average Switching Frequency (fSW)

400

kHz

Volume Control Gain Range

−63

+12

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