Datasheet

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