參數(shù)資料
型號(hào)： TLV320ADC3101IRGER
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC24
封裝： GREEN, PLASTIC, VQFN-24
文件頁(yè)數(shù)： 56/84頁(yè)
文件大?。?/td> 1363K
代理商： TLV320ADC3101IRGER
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, fS = 48-kHz, 16-bit audio data (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
ADC DIGITAL DECIMATION FILTER
fS = 48 kHz
Filter gain from 0 to 0.39 fS
Filter A, AOSR = 128 or 64
±0.1
dB
Filter gain from 0.55 fS to 64 fS
Filter A, AOSR = 128 or 64
–73
dB
Filter group delay
Filter A, AOSR = 128 or 64
17/fS
s
Filter gain from 0 to 0.39 fS
Filter B, AOSR = 64
±0.1
dB
Filter gain from 0.60 fS to 32 fS
Filter B, AOSR = 64
–46
dB
Filter group delay
Filter B, AOSR = 64
11/fS
s
Filter gain from 0 to 0.39 fS
Filter C, AOSR = 32
±0.033
dB
Filter gain from 0.28 fS to 16 fS
Filter C, AOSR = 32
–60
dB
Filter group delay
Filter C, AOSR = 32
11/fS
s
MICROPHONE BIAS
2
2.25
2.5
2.75
Bias voltage
Programmable settings, load = 750
V
AVDD –
0.2
Current sourcing
2.5-V setting
4
mA
BW = 20 Hz to 20 kHz, A-weighted, 1-
F
V
Integrated noise
3.3
capacitor between MICBIAS and AGND
rms
DIGITAL I/O
0.3 ×
VIL
Input low level
IIL = 5 A
–0.3
V
IOVDD
0.7 ×
VIH
Input high level(3)
IIH = 5 A
V
IOVDD
0.1 ×
VOL
Output low level
IIH = 2 TTL loads
V
IOVDD
0.8 ×
VOH
Output high level
IOH = 2 TTL loads
V
IOVDD
SUPPLY CURRENT
fS = 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
A
programmed in lowest power state
DVDD
0.7
(3)
When IOVDD < 1.6 V, minimum VIH is 1.1 V.
6
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s) :TLV320ADC3101
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