SSM2167-2RM-REEL View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

SSM2167-2RM-REEL

Low Voltage Microphone Preamplifier with Variable Compression and Noise Gating

Analog Devices 

SSM2167–SPECIFICATIONS (@ VS = 3.0 V, f = 1 kHz, RL = 100 k⍀, RCOMP = 0 ⍀, TA = 25؇C, VIN = 100 mV rms,

RGATE = 2 k⍀, unless otherwise noted.)

Parameter

Symbol

Conditions

Min Typ Max Unit

AUDIO SIGNAL PATH

Voltage Noise Density

en

10:1 Compression

20

Noise

20 kHz Bandwidth, VIN = GND

–70

Total Harmonic Distortion + Noise THD + N VIN = 100 mV rms

0.2

Input Impedance

ZIN

100

Output Impedance

ZOUT

145

Load Drive

Minimum Resistive Load

5

Maximum Capacitive Load

2

Input Voltage Range

0.4% THD

600

Output Voltage Range

0.4% THD

SSM2167-1

700

SSM2167-2*

700

Gain Bandwidth Product

1:1 Compression

SSM2167-1

VCA G = 18 dB

1

SSM2167-2*

VCA G = 8 dB

1

nV/√Hz

dBV

%

kΩ

Ω

kΩ

nF

mV rms

mV rms

mV rms

MHz

MHz

CONTROL SECTION

VCA Dynamic Gain Range

VCA Fixed Gain

SSM2167-1

SSM2167-2*

Compression Ratio, Min

Compression Ratio, Max

Rotation Point

SSM2167-1

SSM2167-2*

Noise Gate Range

See Table I for RCOMP

Maximum Threshold

40

dB

18

dB

8

dB

1:1

10:1

63

mV rms

100

mV rms

–40

dBV

POWER SUPPLY

Supply Voltage

Supply Current

DC Output Voltage

Power Supply Rejection Ratio

SHUTDOWN

Supply Current

*Preliminary

Specifications subject to change without notice.

VSY

ISY

PSRR

ISY

VSY = 2.5 V to 6 V

Pin 3 = GND

2.5

5.5

V

2.3 5

mA

1.4

V

4.5

mV

2

8

␮A

–2–

REV. A

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