Datasheet

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DAC CHANNEL CHARACTERISTICS
OUTPUT AMPLIFIER CHARACTERISTICS
BIAS AMPLIFIER CHARACTERISTICS
POWER-SUPPLY REJECTION
(1)
TLV320AIC20, TLV320AIC21
TLV320AIC24, TLV320AIC25
TLV320AIC20K, TLV320AIC24K
SLAS363D – MARCH 2002 – REVISED APRIL 2005
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Dynamic range V
I
= 0 dB at 1020 Hz 92 dB
Interchannel isolation 90 dB
E
G
Gain error, 0 dB V
O
= 0 dB at 1020 Hz -0.7 dB
Mute attenuation PGA = Mute 90 dB
Common-mode voltage 1.35 V
Idle channel narrow band noise 0 - 4 kHz
(1)
40 V rms
Output offset voltage at OUTP1_150
V
OO
DIN = All zeros ±8 V
(differential)
V
O
Analog output voltage, (3.3 V) HDSO+ 0.35 2.35 V
IIR 5/f
s
s
Channel delay
FIR 18/f
s
s
(1) The conversion rate is 8 kHz.
AIC20/21/24/25/20k/24k
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
SPEAKER INTERFACE
(1)
Speaker output power 250 mW
V
CC
= 3.3 V, fully
differential, 8- Ω load
Maximum output current 250 mA
HANDSET AND HEADSET INTERFACE
Speaker output power 13 mW
V
CC
= 3.3 V, fully
differential, 150- Ω load
Maximum output current 13 mA
LINE INTERFACE
Speaker output power 3.5 mW
V
CC
= 3.3 V, fully
differential, 600- Ω load
Maximum output current 3.5 mA
(1) The speaker driver is valid only for the AIC20/21/20k.
AIC20/21/24/25/20k/24k
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
V
O
Output voltage 1.35/2.35 V
Integrated noise 300 Hz – 13 KHz 20 µV
V
S
Offset voltage 10 mV
Current drive 5 mA
Unity gain bandwith 1 MHz
DC gain 90 dB
PSRR 70 dB
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Supply-voltage rejection ratio, analog supply
AV
DD
Differential 75
(fj = 0 to f
s
/2 )
(1) Power supply rejection measurements are made with both the ADC and the DAC channels idle and a 200 mV peak-to-peak signal
applied to the appropriate supply.
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