Datasheet

PCM1741
2
SBAS175
SPECIFICATIONS
All specifications at T
A
= +25°C, V
CC
= 5.0V, V
DD
= 3.3V, f
S
= 44.1kHz, system clock = 384f
S
, and 24-bit data, unless otherwise noted.
PCM1741E
PARAMETER CONDITIONS MIN TYP MAX UNITS
RESOLUTION 24 Bits
DATA FORMAT
Audio Data Interface Formats Standard, I
2
S, Left-Justified
Audio Data Bit Length 16-, 18-, 20-, 24-Bits Selectable
Audio Data Format MSB-First, Binary Two’s Complement
Sampling Frequency (f
S
) 5 100 kHz
System Clock Frequency 256, 384, 512, 768f
S
DIGITAL INPUT/OUTPUT
Logic Family TTL-Compatible
Input Logic Level
V
IH
2.0 VDC
V
IL
0.8 VDC
Input Logic Current
I
IH
(1)
V
IN
= V
DD
10 µA
I
IL
(1)
V
IN
= 0V –10 µA
I
IH
(2)
V
IN
= V
DD
65 100 µA
I
IL
(2)
V
IN
= 0V –10 µA
Output Logic Level
V
OH
(3)
I
OH
= –2mA 2.4 VDC
V
OL
(3)
I
OL
= +2mA 1.0 VDC
DYNAMIC PERFORMANCE
(4)
PCM1741E
THD+N at V
OUT
= 0dB f
S
= 44.1kHz 0.005 0.01 %
f
S
= 96kHz 0.007 %
THD+N at V
OUT
= –60dB f
S
= 44.1kHz 1.6 %
f
S
= 96kHz 2.0 %
Dynamic Range EIAJ, A-Weighted, f
S
= 44.1kHz 92 98 dB
A-Weighted, f
S
= 96kHz 96 dB
Signal-to-Noise Ratio EIAJ, A-Weighted, f
S
= 44.1kHz 92 98 dB
A-Weighted, f
S
= 96kHz 96 dB
Channel Separation f
S
= 44.1kHz 90 96 dB
f
S
= 96kHz 94 dB
Level Linearity Error V
OUT
= –90dB ±0.5 dB
DC ACCURACY
Gain Error ±1.0 ±6 % of FSR
Gain Mismatch, Channel-to-Channel ±1.0 ±3 % of FSR
Bipolar Zero Error V
OUT
= 0.5 V
CC
at Bipolar Zero ±30 ±60 mV
ANALOG OUTPUT
Output Voltage Full Scale (0dB) 62% of V
CC
Vp-p
Center Voltage 50% of V
CC
VDC
Load Impedance AC Load 5 kΩ
DIGITAL FILTER PERFORMANCE
Filter Characteristics 1, Sharp Roll-Off
Passband ±0.03dB 0.454f
S
Passband –3dB 0.487f
S
Stopband 0.546f
S
dB
Passband Ripple ±0.03 dB
Stopband Attenuation Stopband = 0.546f
S
–50 dB
Stopband Attenuation Stopband = 0.567f
S
–55
Filter Characteristics 2, Slow Roll-Off
Passband ±0.5dB 0.198f
S
Passband –3dB 0.390f
S
Stopband 0.884f
S
Passband Ripple ±0.5 dB
Stopband Attenuation Stopband = 0.884f
S
–40 dB
Delay Time 20/f
S
sec
De-Emphasis Error ±0.1 dB