ssm2167 Analog Devices, Inc., ssm2167 Datasheet - Page 3

• Manufacturer Part Number: ssm2167
• Description: Low Voltage Microphone Preamplifier With Variable Compression And Noise Gating
• Manufacturer: Analog Devices, Inc.

SPECIFICATIONS
V
Table 1.
Parameter
AUDIO SIGNAL PATH
CONTROL SECTION
POWER SUPPLY
SHUTDOWN
S
Voltage Noise Density
Noise
Total Harmonic Distortion + Noise
Input Impedance
Output Impedance
Load Drive
Input Voltage Range
Output Voltage Range
Gain Bandwidth Product
VCA Dynamic Gain Range
VCA Fixed Gain
Compression Ratio, Minimum
Compression Ratio, Maximum
Rotation Point
Noise Gate Range
Supply Voltage
Supply Current
DC Output Voltage
Power Supply Rejection Ratio
Supply Current
= 3.0 V, f = 1 kHz, R
L
= 100 kΩ, R
COMP
= 0 Ω, T
Symbol
e
THD + N
Z
Z
V
I
PSRR
I
SY
SY
n
IN
OUT
SY
A
= 25°C, V
Conditions
0.4% THD + N
1:1 compression, VCA G = 18 dB
See Table 4 for R
10:1 compression
20 kHz bandwidth, V
V
Minimum resistive load
Maximum capacitive load
0.4% THD + N
Maximum threshold
V
Pin 3 = GND
Rev. C | Page 3 of 12
IN
IN
SY
= 100 mV rms, R
= 100 mV rms
= 2.5 V to 6 V
COMP
GATE
IN
= GND
= 2 kΩ, unless otherwise noted.
Min
2.5
Typ
20
−70
100
145
5
2
600
700
18
1:1
10:1
63
−40
2.3
1.4
2
0.2
1
40
45
Max
5.5
5
8
SSM2167
Unit
nV/√Hz
dBV
%
kΩ
Ω
kΩ
nF
mV rms
mV rms
MHz
dB
mV rms
dBV
V
mA
V
dB
μA
dB