DSP56100 View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

DSP56100

16-bit General Purpose Digital Signal Processor

Motorola => Freescale 

PRELIMINARY - 6/15/93

Analog I/O Characteristics

(VddA = 5.0 Vdc +/- 10%, TJ = -40 to +125 °C).

The Analog I/O characteristics of this device are shown below.

Characteristic

Min

Typ

Max

Unit

Input Impedance on Mic & Auxa

46

78

1400

kΩ

Input Capacitance on Mic and Aux

—

—

10

pF

Peak Input Voltage on the Mic/Aux Input for Full

Scale Linearity (0.14dBm0b): - 6dB- MGS1-0=00

—

0dB- MGS1-0=01

—

6dB- MGS1-0=10

—

17dB- MGS1-0=11

—

—

1.414

Vp

—

0.707

Vp

—

354

mVp

—

100

mVp

Internal Input GainVariation;

G-0.83

G

G+0.83

dB

G=-6dB, 0dB,6dB or 17dB

(±0.83dB variation due to 10% variation on Vdd):

Vref Output Voltage

1.8

2

2.2

V

Vref Output Current

—

—

±1

mA

DC offset between Spkout1 and Spkout2

—

—

100

mV

Allowable Differential Load Capacitance on

Spkout1/2(with 1kΩ in series)

Allowable Single-ended Load Capacitance on

Spkout1/2(with 0.5kΩ in series)

0

—

50

nF

0c

—

100

nF

Maximum Single-ended Signal Output Level

—

—

1

Vp

Maximum Differential Signal Output Level

—

—

2

Vp

Single-ended Load Resistance

500

—

—

Ω

Differential Load Resistance

R bias

1

—

—

kΩ

—

10d

—

kΩ

Internal Output Volume Control Variation

VC-0.83 VC VC+0.83 dB

VC=-20,-15,-10,-5,0,6,12,18,24,30,35 dB

(±0.83dB variation due to 10% variation on Vdd)

a. Min. value reached for a codec clock of 3MHz, typ. for 2MHz and max. for 100KHz

b. 0dBm0 corresponds to 3.14dB below the input saturation level

c. AC coupling is necessary in single-ended mode when the load resistor is not tied to Vref

d. ±10%

MOTOROLA

DSP56166 Technical Data Sheet

6

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