DSP56156FV40 MOTOROLA [Motorola, Inc], DSP56156FV40 Datasheet - Page 16

• Manufacturer Part Number: DSP56156FV40
• Description: 16-bit Digital Signal Processor
• Manufacturer: MOTOROLA [Motorola, Inc]

16
Electrical Characteristics and Timing
Analog I/O Characteristics
Analog I/O Characteristics
(V
The analog I/O characteristics of this device are listed in Table 7.
For additional information regarding the use of analog signals, see “Design Considerations”
at the end of this document.
NOTES: 1. Minimum value reached for a Codec clock of 3 MHz, typical for 2 MHz and maximum for 100 kHz
Characteristic
Input Impedance on MIC and AUX
Input Capacitance on MIC and AUX
Peak Input Voltage on the MIC/AUX Input for Full Scale
Linearity (0.14 dBm0):
(See Note 2)
Internal Input Gain Variation;
G = -6 dB, 0 dB, 6 dB or 17 dB
(±0.83 dB variation due to 10% variation on V
VREF Output Voltage
VREF Output Current
DC Offset Between SPKP and SPKM
Allowable Differential Load Capacitance on
SPKP and SPKM (with 1 k in series)
Allowable Single-ended Load Capacitance on
SPKP or SPKM (with 0.5 k in series)
Maximum Single-ended Signal Output Level
Maximum Differential Signal Output Level
Single-ended Load Resistance
Differential Load Resistance
Resistance BIAS
Internal Output Volume Control Variation
VC = -20, -15, -10, -5, 0, 6, 12, 18, 24, 30, 35 dB
(± 0.83 dB variation due to 10% variation on V
CC
A
= 5.0 V dc ± 10%, T
2. 0 dBm0 corresponds to 3.14 dB below the input saturation level
3. AC coupling is necessary in single-ended mode when the load resistor is not tied to VREF
4. ± 10%
Freescale Semiconductor, Inc.
J
= -40 to +125 C)
For More Information On This Product,
17 dB - MGS1 - 0 = 11
Table 7 Analog I/O Characteristics
6 dB - MGS1 - 0 = 00
0 dB - MGS1 - 0 = 01
6 dB - MGS1 - 0 = 10
DSP56156 Data Sheet
Go to: www.freescale.com
(See Note 1)
CC
CC
):
)
(See Note 3)
VC - 0.83
G - 0.83
Min
500
1.8
46
—
—
—
—
—
—
—
—
—
—
0
0
1
Note 4)
(See
Typ
VC
78
10
—
—
—
—
—
—
—
—
—
—
—
—
—
G
2
VC + 0.83
G + 0.83
1.414
0.707
1400
Max
0.05
354
100
100
100
2.2
0.1
10
±1
—
—
—
1
2
MOTOROLA
Unit
mVp
mVp
mA
mV
k
pF
Vp
Vp
dB
µF
µF
Vp
Vp
k
k
dB
V