dsp56167 Freescale Semiconductor, Inc, dsp56167 Datasheet - Page 55

• Manufacturer Part Number: dsp56167
• Description: Advance Information 16-bit Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
A/D output DC offset (assuming input is at
VRAD):
Allowable differential load capacitance between
SPKP and SPKM (with 3 k in series, 4 kHz
maximum frequency)
Allowable single-ended load capacitance on SPKP
and SPKM (with 1.5 k in series, 4 kHz maximum
frequency)
Allowable single-ended shunt capacitance to
ground
Allowable differential shunt capacitance
Maximum linear range of single-ended signal
output level at VDDA = 5.000 V:
Maximum linear range of single-ended signal
output level at VDDA = 5.000 V:
Single-ended load resistance
Differential load resistance
Output impedance of SPKP and SPKM
Output impedance of SPKP and SPKM during
power down
Output transition time of SPKP and SPKM from
codec power up condition
Note:
–6 dB, MGS[1:0] = 00
6 dB, MGS[1:0] = 10
17 dB, MGS[1:0] = 11
–15 dB, VC[3:0] = 0000
–10 dB, VC[3:0] = 0001
–5 dB, VC[3:0] = 0010
0 dB
5–40 dB, VC[3:0] > 0011
–15 dB, VC[3:0] = 0000
–10 dB, VC[3:0] = 0001
–5 dB, VC[3:0] = 0010
0 dB
5–40 dB, VC[3:0] > 0011
(referenced from 0.5 V
at 0 Hz to 4 kHz
0 dB, MGS[1:0] = 01
1.
2.
3.
4.
3
3
, VC[3:0] = 0011
, VC[3:0] = 0011
0 dBm0 corresponds to 3.00 dB below the input saturation level of 1.0 V
AC coupling is necessary in Single-Ended mode when the load resistor is not tied to VRDA.
0 dBm0 corresponds to 3.00 dB below the output saturation level of 1.0 V
V
During power down and during the first 15 s after a power up event, the maximum current
loading for SPKP and SPKM pins is 1.0 A.
DDA
Table 2-13 Codec Analog I/O Characteristics (Continued)
= 5.0 V.
Characteristic
4
DDA
)
DSP56167/D, Rev. 1
$FC00
$FF00
$FE00
$F800
Min
140
2.8
5.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Codec Analog I/O Characteristics
$0000
$0000
$0000
$0000
Typ
200
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
50
—
P
P
with V
single-ended with
$0100
$0200
$0400
$0800
0.125
0.223
0.397
0.707
1.000
0.250
0.446
0.794
1.414
2.000
Max
280
15
30
50
25
—
—
—
15
DDA
Specifications
= 5.0 V.
Unit
k
k
k
nF
nF
pF
pF
V
V
V
V
V
V
V
V
V
V
s
P
P
P
P
P
P
P
P
P
P
2-29