REV. 0

–2–

SSM2000

Parameter

Symbol

Conditions

Min

Typ

Max

Units

AUDIO SIGNAL PATH

Signal-to-Noise Ratio

SNR

80

86

dB

Headroom

HR

Clip Point, THD = 1%

4.5

dBu

Dynamic Range

Clipping to Noise Floor

91

dB

Total Harmonic Distortion

THD+N

1

0.02

0.04

%

Effective Noise Reduction

20 kHz Bandwidth (Flat)

Downward Expander Section

15

dB

Dynamic Filter Section

10

dB

Input Impedance

Pins 1 and 2

6

8

k

Ω

Output Impedance, Dynamic

Pins 23 and 24

7

Ω

Capacitive Load

No Oscillation

300

pF

Channel Separation

60

dB

Mute Output

–85

dB

Gain Matching, L & R Channels

±1dB

Gain Bandwidth

GBW

NR Disabled

37

kHz

DYNAMIC FILTER

Minimum Bandwidth

VCF C = 0.001

µF

3

kHz

Maximum Bandwidth

37

kHz

VCA CONTROL PORT

Input Impedance

Pin 7

3.8

k

Ω

VCA Voltage Gain Range

–70

+1

dB

Gain Constant

20

22

26

mV/dB

Control Feedthrough

Pin 7

1

10

mV

POWER SUPPLY

Voltage Range

+7.0

18

V

Supply Current

7.5

11

mA

Power Supply Rejection

PSRR+

70

dB

VCA, VCF DETECTOR

Input Impedance

Pins 8 and 10

4.0

5.4

7.0

k

Ω

NOTES

Specifications subject to change without notice.

, 0 dBu = 0.775 V rms.

MASKED NOISE

FILTERED NOISE

AUDIO

SIGNAL

6 dB/OCTAVE SLOPE

PASSBAND FREQUENCY

RESPONSE

±0.5 dB

Defeat Mode)

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

INPUT

LEVEL

OUTPUT

LEVEL

Figure 2. Downward Expander Attenuation Characteristic

(In dBt; 0 dBt = Threshold)