參數(shù)資料
型號(hào)： TLV320AIC3253IYZKR
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, BGA25
封裝： 2.70 X 2.70 MM, LEAD FREE, WCSP-25
文件頁數(shù)： 35/35頁
文件大小： 738K
代理商： TLV320AIC3253IYZKR
www.ti.com
SLOS631 – MARCH 2010
Electrical Characteristics, Audio Outputs (continued)
At 25°C, AVdd, DVdd, IOVDD = 1.8V, LDO_in = 1.8V, AVdd LDO disabled, fs (Audio) = 48kHz, Cref = 10 mF on REF PIN,
PLL disabled unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Load = 32
(differential), 50pF,
Headphone Output on LDOIN Supply
Input CM = 0.75V, Output CM=1.5V,
AVdd=1.8V, LDOIN=3.0V, DOSR = 128
Device Setup
MCLK=256* fs, Channel (headphone driver)
Gain = 5dB for full scale output signal,
word length=16-bits,
Processing Block = PRB_P1,
Power Tune = PTM_P3
Full scale output voltage (0dB)
1778
mVRMS
SNR
Signal-to-noise ratio, A-weighted(1) (2)
All zeros fed to DAC input, modulator in
101
dB
excited state
DR
Dynamic range, A-weighted (1) (2)
–60dB 1kHz input full-scale signal
98
dB
THD
Total Harmonic Distortion
–3dB full-scale, 1-kHz input signal
–82
dB
RL=32, Output Stage on LDOIN = 3.3V,
125
mW
THDN < 1%, Input CM=0.9V,
Output CM=1.65V, Channel Gain=8dB
Power Delivered
RL=32 Output Stage on LDOIN = 3.0V,
103
mW
THDN < 1% Input CM=0.9V,
Output CM=1.5V, Channel Gain=8dB
Electrical Characteristics, LDO
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LOW DROPOUT REGULATOR (AVdd)
LDOMode = 1, LDOin > 1.95V,
1.63
IO = 15mA
LDOMode = 0, LDOin > 2.0V,
1.68
Output Voltage
V
IO = 15mA
LDOMode = 2, LDOin > 2.05V,
1.73
IO = 15mA
Output Voltage Accuracy
±2
%
Load Regulation
Load current range 0 to 50mA
26
mV
Line Regulation
Input Supply Range 1.9V to 3.6V
3
mV
Decoupling Capacitor
1
mF
Bias Current
50
mA
Electrical Characteristics, Misc.
At 25°C, AVdd, DVdd, IOVDD = 1.8V, LDO_in = 3.3V, AVdd LDO disabled, fs (Audio) = 48kHz, Cref = 10 mF on REF PIN,
PLL disabled unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REFERENCE
CMMode = 0 (0.9V)
0.9
Reference Voltage Settings
V
CMMode = 1 (0.75V)
0.75
Reference Noise
CM=0.9V, A-weighted, 20Hz to 20kHz bandwidth,
1
mVRfcMS
Cref = 10mF
Decoupling Capacitor
1
10
mF
Bias Current
120
A
miniDSP
Maximum miniDSP clock frequency - ADC
DVdd = 1.65V
55.3
MHz
Maximum miniDSP clock frequency - DAC
DVdd = 1.65V
55.3
MHz
Copyright 2010, Texas Instruments Incorporated
9
Product Folder Link(s): TLV320AIC3253
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