Datasheet

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SBAS291C − AUGUST 2003 − REVISED DECEMBER 2004
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3
ELECTRICAL CHARACTERISTICS
All parameters are specified at T
A
= +25°C with V
CC
= +5V, V
DD
= +3.3V, and a measurement bandwidth from 10Hz to 20kHz, unless otherwise
noted. System clock frequency is equal to 256f
S
for Single and Dual Rate sampling modes, and 128f
S
for Quad Rate sampling mode.
PCM4104
PARAMETER CONDITIONS MIN TYP MAX UNITS
RESOLUTION 24 Bits
DATA FORMAT
Audio data formats Left or Right Justified, I
2
S, and TDM
Audio data word length 16 24 Bits
Binary data format Two’s Complement Binary, MSB First
CLOCK RATES AND TIMING
Single rate sampling mode 6.144 36.864 MHz
System clock frequency f
SCKI
Dual rate sampling mode 13.824 36.864 MHz
System clock frequency
f
SCKI
Quad rate sampling mode 13.824 36.864 MHz
Single rate sampling mode 24 54 kHz
Sampling frequency f
S
Dual rate sampling mode 54 108 kHz
Sampling frequency
f
S
Quad rate sampling mode 108 216 kHz
SPI port data clock f
CCLK
24 MHz
SPI port data clock high time t
CCLKH
15 ns
SPI port data clock low time t
CCLKL
15 ns
DIGITAL INPUT/OUTPUT
Input logic level
V
IH
2.0 V
Input logic level
V
IL
0.8 V
Input logic current
I
IH
V
IN
= V
DD
1 10 µA
Input logic current
I
IL
V
IN
= 0V 1 −10 µA
Output logic level
V
OH
I
OH
= −2mA 2.4 V
Output logic level
V
OL
I
OH
= +2mA 0.4 V
ANALOG OUTPUTS
Full-scale output voltage, differential R
L
= 600Ω 6.15 V
PP
Bipolar zero voltage 2.5 V
Output impedance 5 Ohms
Switched capacitor filter frequency response f = 20kHz, all sampling modes −0.2 dB
Gain error 0.5 % FSR
Gain mismatch, channel-to-channel 0.6 % FSR
Bipolar zero error 1 mV
V
COM
1 and V
COM
2 output voltage V
CC
= +5V 2.5 V
V
COM
1 and V
COM
2 output current 200 µA