PCM3168A
PCM3168A-Q1
SBAS452–SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS: ADC Characteristics (continued)
All specifications at TA = +25°C, VCCAD1 = VCCAD2 = VCCDA1 = VCCDA2 = 5 V, VDD1 = VDD2 = 3.3 V, fS = 48 kHz,
SCKI = 512 fS, 24-bit data, Sampling Mode = Auto for ADC and DAC, and Interface Mode = Slave for ADC and DAC, unless
otherwise noted.
PCM3168A, PCM3168A-Q1
PARAMETER
DIGITAL FILTER PERFORMANCE
Passband (single)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
0.454 × fS
0.454 × fS
Hz
Hz
Hz
Hz
dB
dB
sec
sec
Passband (dual)
Stop band (single)
0.555 × fS
0.597 × fS
Stop band (dual)
Passband ripple
< 0.454 × fS, 0.454 × fS
> 0.555 × fS, 0.597 × fS
±0.035
Stop band attenuation
Group delay time (single)
Group delay time (dual)
–75
27/fS
17/fS
0.02 ×
fS/1000
High-pass filter frequency response
–3 dB
Hz
ELECTRICAL CHARACTERISTICS: DAC Characteristics
All specifications at TA = +25°C, VCCAD1 = VCCAD2 = VCCDA1 = VCCDA2 = 5 V, VDD1 = VDD2 = 3.3 V, fS = 48 kHz,
SCKI = 512 fS, 24-bit data, Sampling Mode = Auto for ADC and DAC, and Interface Mode = Slave for ADC and DAC, unless
otherwise noted.
PCM3168A, PCM3168A-Q1
PARAMETER
DAC CHARACTERISTICS
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
16
24
Bits
DC ACCURACY
Gain mismatch channel-to-channel
Gain error
±2.0
±2.0
±1.0
±6
±6
% of FSR
% of FSR
% of FSR
Bipolar zero error
DYNAMIC PERFORMANCE(1)(2)
fS = 48 kHz
fS = 96 kHz
–94
–94
–94
112
112
112
112
112
112
108
108
108
–88
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
THD+N, VOUT = 0 dB
Dynamic range
S/N ratio
fS = 192 kHz
fS = 48 kHz, EIAJ, A-weighted
fS = 96 kHz, EIAJ, A-weighted
fS = 192 kHz, EIAJ, A-weighted
fS = 48 kHz, EIAJ, A-weighted
fS = 96 kHz, EIAJ, A-weighted
fS = 192 kHz, EIAJ, A-weighted
fS = 48 kHz
105
105
102
Channel separation
(between one channel and others)
fS = 96 kHz
fS = 192 kHz
(1) In differential mode at VOUTx± pin, fOUT = 1 kHz, using Audio Precision System II, RMS mode with 20-kHz low-pass filter and 400-Hz
high-pass filter.
(2) fS = 48 kHz : SCKI = 512 fS (single), fS = 96 kHz : SCKI = 256 fS (dual), fS = 192 kHz : SCKI = 128 fS (quad).
6
Submit Documentation Feedback
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): PCM3168A PCM3168A-Q1