Datasheet

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ELECTRICAL CHARACTERISTICS
PCM1770 , PCM1771
SLES011E – SEPTEMBER 2001 – REVISED MARCH 2007
all specifications at T
A
= 25°C, V
CC
= V
HP
= 2.4 V, f
S
= 44.1 kHz, system clock = 256 f
S
and 24-bit data, R
L
= 16 Ω , unless
otherwise noted
PCM1770PW, PCM1771PW,
PCM1770RGA, PCM1771RGA
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
Resolution 24 Bits
OPERATING FREQUENCY
Sampling frequency (f
S
) 5 50 kHz
System clock frequency 128f
S
, 192 f
S
, 256 f
S
, 384 f
S
DIGITAL INPUT/OUTPUT
(1) (2)
Logic family CMOS compatible
V
IH
0.7 V
CC
VDC
Input logic level
V
IL
0.3 V
CC
VDC
I
IH
V
IN
= V
CC
10 µA
Input logic current
I
IL
V
IN
= 0 V –10 µA
V
OH
I
OH
= –2 mA 0.7 V
CC
VDC
Output logic level
(3)
V
OL
I
OL
= 2 mA 0.3 V
CC
VDC
DYNAMIC PERFORMANCE (HEADPHONE OUTPUT)
Full-scale output voltage 0 dB 0.55 V
HP
Vp-p
Dynamic range EIAJ, A-weighted 90 98 dB
Signal-to-noise ratio EIAJ, A-weighted 90 98 dB
0 dB (13 mW) 0.1%
THD+N Total harmonic distortion + noise
–20 dB (0.1 mW) 0.04% 0.1%
Stereo 10 13 mWrms
Output power
Monaural 20 26 mWrms
Channel separation 64 72 dB
Load resistance 14 16 Ω
DC ACCURACY
Gain error ±2 ±8 %FSR
Gain mismatch,
±2 ±8 %FSR
channel-to-channel
Bipolar zero error V
OUT
= 0.5 V
CC
at BPZ ±30 ±75 mV
ANALOG LINE INPUT (MIXING CIRCUIT)
Analog input voltage range 0.584 V
HP
Vp-p
Gain (analog input to headphone
0.67
output)
Analog input impedance 10 k Ω
THD+N Total harmonic distortion + noise AIN = 0.56 V
HP
(peak-to-peak) 0.1%
DIGITAL FILTER PERFORMANCE
Pass band 0.454 f
S
Stop band 0.546 f
S
Pass-band ripple ±0.04 dB
Stop-band attenuation –50 dB
Group
20/f
S
delay
44.1-kHz de-emphasis error ±0.1 dB
ANALOG FILTER PERFORMANCE
(1) Digital inputs and outputs are CMOS compatible.
(2) All logic inputs are 3.3-V tolerant and not terminated internally.
(3) LRCK and BCK terminals
3
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