Datasheet
TLV320ADC3101
SLAS553A – NOVEMBER 2008 – REVISED SEPTEMBER 2009 ......................................................................................................................................
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
At 25 ° C, AVDD = 3.3 V , IOVDD = 1.8 V, DVDD = 1.8 V, f
S
= 48-kHz, 16-bit audio data (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ADC DIGITAL DECIMATION FILTER f
S
= 48 kHz
Filter gain from 0 to 0.39 f
S
Filter A, AOSR = 128 or 64 ± 0.1 dB
Filter gain from 0.55 f
S
to 64 f
S
Filter A, AOSR = 128 or 64 – 73 dB
Filter group delay Filter A, AOSR = 128 or 64 17/f
S
s
Filter gain from 0 to 0.39 f
S
Filter B, AOSR = 64 ± 0.1 dB
Filter gain from 0.60 f
S
to 32 f
S
Filter B, AOSR = 64 – 46 dB
Filter group delay Filter B, AOSR = 64 11/f
S
s
Filter gain from 0 to 0.39 f
S
Filter C, AOSR = 32 ± 0.033 dB
Filter gain from 0.28 f
S
to 16 f
S
Filter C, AOSR = 32 – 60 dB
Filter group delay Filter C, AOSR = 32 11/f
S
s
MICROPHONE BIAS
2
2.25 2.5 2.75
Bias voltage Programmable settings, load = 750 Ω V
AVDD –
0.2
Current sourcing 2.5-V setting 4 mA
BW = 20 Hz to 20 kHz, A-weighted, 1- µ F µ V
Integrated noise 3.3
capacitor between MICBIAS and AGND rms
DIGITAL I/O
0.3 ×
V
IL
Input low level I
IL
= 5 µ A – 0.3 V
IOVDD
0.7 ×
V
IH
Input high level
(3)
I
IH
= 5 µ A V
IOVDD
0.1 ×
V
OL
Output low level I
IH
= 2 TTL loads V
IOVDD
0.8 ×
V
OH
Output high level I
OH
= 2 TTL loads V
IOVDD
SUPPLY CURRENT f
S
= 48-kHz, AVDD = 3.3V, DVDD = IOVDD = 1.8 V
AVDD 2
Mono record PLL and AGC off mA
DVDD 1.9
AVDD 4
Stereo record PLL and AGC off mA
DVDD 2.1
AVDD 1.1
Additional power consumed when
PLL mA
PLL is powered
DVDD 0.8
AVDD 0.04
All supply voltages applied, all blocks
Power down µ A
programmed in lowest power state
DVDD 0.7
(3) When IOVDD < 1.6 V, minimum V
IH
is 1.1 V.
6 Submit Documentation Feedback Copyright © 2008 – 2009, Texas Instruments Incorporated
Product Folder Link(s) :TLV320ADC3101