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TLV320AIC3254IRHBT Datasheet(PDF) 9 Page - Texas Instruments

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Part # TLV320AIC3254IRHBT
Description  Ultra Low Power Stereo Audio Codec with Embedded miniDSP
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TLV320AIC3254IRHBT Datasheet(HTML) 9 Page - Texas Instruments

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TLV320AIC3254
www.ti.com
SLAS549D – SEPTEMBER 2008 – REVISED NOVEMBER 2014
Electrical Characteristics, ADC (continued)
At 25°C, AVDD, DVDD, IOVDD = 1.8V, LDOIN = 3.3V, AVDD and DVDD LDO disabled, fs (Audio) = 48kHz, Cref = 10µF on REF
pin, PLL disabled unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AUDIO ADC
Input signal level (0dB)
Differential Input, CM = 0.9V
10
mV
1kHz sine wave input, Differential configuration
IN1_L and IN1_R routed to Right ADC
IN2_L and IN2_R routed to Left ADC
Device Setup
Rin = 10K, fs = 48kHz, AOSR = 128
MCLK = 256* fs PLL Disabled
AGC = OFF, Channel Gain = 40dB Processing Block = PRB_R1,
Power Tune = PTM_R4
ICN
Idle-Channel Noise, A-weighted(1)(2)
Inputs ac-shorted to ground, input referred noise
2
μVRMS
AUDIO ADC
1kHz sine wave input , Single-ended configuration
Rin = 20kΩ fs = 48kHz, AOSR = 128,
MCLK = 256 x fs, PLL Disabled
Gain Error
–0.05
dB
AGC = OFF, Channel Gain = 0dB
Processing Block = PRB_R1,
Power Tune = PTM_R4, CM = 0.9V
1kHz sine wave input at -3dBFS
Single-ended configuration
IN1_L routed to Left ADC
Input Channel Separation
108
dB
IN1_R routed to Right ADC, Rin = 20kΩ
AGC = OFF, AOSR = 128,
Channel Gain = 0dB, CM = 0.9V
1kHz sine wave input at –3dBFS on IN2_L, IN2_L internally not
routed.
IN1_L routed to Left ADC
ac-coupled to ground
1kHz sine wave input at –3dBFS on IN2_R,
Input Pin Crosstalk
115
dB
IN2_R internally not routed.
IN1_R routed to Right ADC
ac-coupled to ground
Single-ended configuration Rin = 20kΩ,
AOSR = 128 Channel, Gain = 0dB, CM = 0.9V
217Hz, 100mVpp signal on AVDD,
PSRR
Single-ended configuration, Rin = 20kΩ,
55
dB
Channel Gain = 0dB; CM = 0.9V
Single-Ended, Rin = 10kΩ, PGA gain set to 0dB
0
dB
Single-Ended, Rin = 10kΩ, PGA gain set to 47.5dB
47.5
dB
Single-Ended, Rin = 20kΩ, PGA gain set to 0dB
–6
dB
ADC programmable gain amplifier
gain
Single-Ended, Rin = 20kΩ, PGA gain set to 47.5dB
41.5
dB
Single-Ended, Rin = 40kΩ, PGA gain set to 0dB
–12
dB
Single-Ended, Rin = 40kΩ, PGA gain set to 47.5dB
35.5
dB
ADC programmable gain amplifier
1-kHz tone
0.5
dB
step size
Copyright © 2008–2014, Texas Instruments Incorporated
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