MOTOROLA

MC33111

4

Characteristic

Unit

Max

Typ

Min

Symbol

EXPANDER (Pin 12 = Low, unless noted)

Power Supply Rejection @ 1.0 kHz

PSRR

dB

Vin (Pin 14) = 0

—

74

—

Vin (Pin 14) = 10 mVrms

—

76

—

Vin (Pin 14) = 316 mVrms

—

62

—

Attack Time (Capacitor @ Pin 11 = 1.0

µF, per EIA-553)

Decay Time (Capacitor @ Pin 11 = 1.0

µF, per EIA-553)

tAT(E)

tD(E)

—

—

3.0

14

—

—

ms

Input Impedance at Pin 14

Rin

8.0

10.9

14

k

Ω

DC Bias Level (Pin 15)

Output DC Shift (Vin changed from 0 to 100 mVrms)

VbIAS

1.4

–20

Vb

1.0

1.6

20

Vdc

mVdc

LOGIC INPUTS (Pins 4, 8, 12)

Switching Threshold (3.0 < VCC < 7.0 V)

VST

—

1.3

—

Vdc

Input Current

Rin

µA

@ Vin = 0 V

—

0

—

@ Vin = 3.6 V

—

55

—

Timing (Vin @ Pins 3 and 14 = 300 mVrms, See Figures 1, 2)

µs

Comp. Mute (Pin 4) to Comp. Output

Low-to-High

tCMLH

—

2.0

—

High-to-Low

tCMHL

—

3.0

—

Exp. Mute (Pin 12) to Exp. Output

Low-to-High

tEMLH

—

2.0

—

High-to-Low

tEMHL

—

3.0

—

Passthrough (Pin 8) to Comp. Output

Low-to-High

tPCLH

—

2.0

—

High-to-Low

tPCHL

—

5.0

—

Passthrough (Pin 8) to Exp. Output

Low-to-High

tPELH

—

6.0

—

High-to-Low

tPEHL

—

7.0

—

OP AMPS (Pins 6, 7, 9, 10)

Open Loop Gain

AVOL

—

100

—

dB

Gain Bandwidth

BW

—

300

—

kHz

Input Bias Current @ Pins 7, 9

IIB

—

8.0

—

nA

Max Output Swing @ Pins 6, 10 (3.0 V < VCC < 7.0 V)

Vout

—

2.8

—

Vp-p

Peak Output Current

IPK

mA

VCC = 3.0 V, Vout ≤ 2.4 Vp-p

—

± 3.0

—

VCC = 3.0 V, Vout = 2.6 Vp-p

—

± 2.0

—

VCC ≥ 3.6 V, Vout ≤ 2.8 Vp-p

—

± 3.7

—

Total Harmonic Distoration (Vout = 1.0 Vrms, Unity Gain)

THD

—

0.02

0.2

%

MISCELLANEOUS

Power Supply Current

ICC

mA

@ VCC = 3.6 V

—

1.5

2.0

@ VCC = 7.0 V

—

1.7

—

Reference Voltage

Vb

—

1.5

—

Vdc

Channel Separation

CS

dB

Expander to Compressor

(Pin 14 = 316 mVrms @ 1.0 kHz and Pin 3 = 0 mVrms)

40

70

—

(Pin 14 = 100 mVrms (300 Hz < f < 20 kHz),

Pin 3 = 100 mVrms @ 1.2 kHz)

—

96

—

Compressor to Expander

(Pin 3 = 1.0 Vrms @ 1.0 kHz and Pin 14 = 0 mVrms)

60

100

—

(Pin 3 = 100 mVrms (300 Hz < f < 20 kHz),

Pin 14 = 100 mVrms @ 1.2 kHz)

—

97

—