Datasheet

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ELECTRICAL CHARACTERISTICS: ANALOG INPUTS, OUTPUTS, AND DC ERROR
ELECTRICAL CHARACTERISTICS: POWER SUPPLIES
PCM4222
SBAS399A – OCTOBER 2006 – REVISED MARCH 2007
All specifications are at T
A
= +25 ° C, VCC1 = VCC2 = +4.0V, and VDD = +3.3V, unless otherwise noted.
PCM4222
PARAMETER CONDITIONS MIN TYP MAX UNITS
ANALOG INPUTS Applies to VINL+, VINL–, VINR+, and VINR–
Full-scale input range Differential input 5.6 V
PP
Per input pin 2.8 V
PP
Input impedance Per input pin 2.8 k Ω
Common-mode rejection 100 dB
ANALOG OUTPUTS
Common-mode output, left channel Measured from VCOML (pin 13) to AGND 0.4875 × V
VCC2
Common-mode output, right channel Measured from VCOMR (pin 48) to AGND 0.4875 × V
VCC1
Common-mode output current Applies to VCOML or VCOMR 200 µ A
DC ERROR
Output offset error Digital high-pass filter disabled 3 mV
Offset drift Digital high-pass filter disabled 3.5 µ V/ ° C
All specifications are at T
A
= +25 ° C, VCC1 = VCC2 = +4.0V, VDD = +3.3V, and MCKI = 12.288MHz, unless otherwise noted.
PCM4222
PARAMETER CONDITIONS MIN TYP MAX UNITS
POWER SUPPLIES
Recommended supply voltage range
VCC1, VCC2 0 ° C < T
A
≤ +85 ° C +3.8 +4.0 +4.2 V
VCC1, VCC2 –40 ° C ≤ T
A
≤ 0 ° C +3.9 +4.0 +4.2 V
VDD –40 ° C ≤ T
A
≤ +85 ° C +2.4 +3.3 +3.6 V
Supply current: power-down RST (pin 36) held low with no clocks applied
ICC1 + ICC2 VCC1 = VCC2 = +4.0V 600 µ A
IDD VDD = +3.3V 325 µ A
Supply current: f
S
= 48kHz
ICC1 + ICC2 VCC1 = VCC2 = +4.0V 65 75 mA
IDD VDD = +3.3V 14 18 mA
Supply current: f
S
= 96kHz
ICC1 + ICC2 VCC1 = VCC2 = +4.0V 65 mA
IDD VDD = +3.3V 21 mA
Supply current: f
S
= 192kHz
ICC1 + ICC2 VCC1 = VCC2 = +4.0V 65 mA
IDD VDD = +3.3V 24 mA
Total power dissipation: power-down 3.5 mW
Total power dissipation: f
S
= 48kHz 305 360 mW
Total power dissipation: f
S
= 96kHz 330 mW
Total power dissipation: f
S
= 192kHz 340 mW
5
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