TLC320AD535C-I Datasheet, PDF (28/43 Pages) Texas Instruments – DUAL CHANNEL VOICE/DATA CODEC

5.3.7 DAC Characteristics
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Dynamic range
79
dB
Intrachannel isolation
85
dB
EG Gain error
Idle channel narrow-band noise
VI = –1 dB at 1020 kHz
0 kHz to 4 kHz (see Note 7)
±0.7
dB
125 µV rms
Channel delay
18/fs
s
VOO Output offset voltage, HS_BUF, DT_BUF
DIN = All zeros
25
mV
Differential with respect to MVDD/2 _{5 V –1.78}
VO Analog output voltage, MONOUTP-MONOUTM and full-scale digital input
(see Note 8)
3.3 V –1.2
1.78
V
1.2
Analog output voltage, TAPI_OUT, SPKR_LEFT, Single-ended with respect to
VO _{SPKR_RIGHT}
HS_REF and full-scale digital input
5V
–2
3.3 V –1.5
2V
1.5 V
NOTES: 7. The conversion rate is 8 kHz.
8. This amplifier should only be used in differential mode. Common mode: 2.5 V in 5 V supply and 1.5 V in 3.3 V supply.
5.3.8 Logic DC Electrical Characteristics
VIL
VIH
II(lkg)
IO(lkg)
VOH
VOL
PARAMETER
Low-level input voltage
High-level input voltage
Input leakage current
Output leakage current
High-level output voltage at rated load current
Low-level output voltage at rated load current
MIN
TYP
MAX
–0.3
1.5
2.4
DVDD+0.3
10
10
2.4
DVSS–0.5
DVDD–0.5
0.4
UNIT
V
V
µA
µA
V
V
5.3.9 Power Supply Rejection (see Note 9)
PARAMETER
TEST CONDITIONS MIN TYP MAX UNIT
VDD1 Supply-voltage rejection ratio, ADC channel DAVDD and VAVDD
fi = 0 to fs/2
50
VDD2 Supply-voltage rejection ratio, ADC channel, DVDD
VDD3 Supply-voltage rejection ratio, DAC channel, DAVDD and VAVDD
fi = 0 to fs/2
fi = 0 to fs/2
40
dB
50
VDD4 Supply-voltage rejection ratio, DAC channel, DVDD
fi = 0 to 30 kHz
50
NOTE 9: 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.
5.3.10 Power Supply
PARAMETER
TEST CONDITIONS
IDD(analog)
IDD(digital)
IDD(monitor)
Codec power supply current, analog (including hybrid and drivers)
Codec power supply current, digital
Power supply current, 8 Ω monitor speaker driver
Operating
Operating
Operating
MIN TYP MAX UNIT
40
60 mA
10
mA
135 315 mA
5–4