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SSM2166 Datasheet(PDF) 2 Page - Analog Devices

Part # SSM2166
Description  Microphone Preamplifier with Variable Compression and Noise Gating
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

SSM2166 Datasheet(HTML) 2 Page - Analog Devices

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REV. B
–2–
SSM2166–SPECIFICATIONS
(V+ = 5 V, f = 1 kHz, RL = 100 k , RGATE = 600 k , RROTATION = 3 k , RCOMP = 0
,
R1 = 0
, R2 =
, TA = 25 C, unless otherwise noted, VIN = 300 mV rms.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
AUDIO SIGNAL PATH
Voltage Noise Density
en
15:1 Compression
17
nV/
√Hz
Noise
20 kHz Bandwidth, VIN = GND
–109
dBu
1
Total Harmonic Distortion
THD+N
2nd and 3rd Harmonics, VIN = –20 dBu
0.25
0.5
%
22 kHz Low-Pass Filter
Input Impedance
ZIN
180
k
Output Impedance
ZOUT
75
Load Drive
Resistive
5
k
Capacitive
2
nF
Buffer
Input Voltage Range
1% THD
1
V rms
Output Voltage Range
1% THD
1
V rms
VCA
Input Voltage Range
1% THD
1
V rms
Output Voltage Range
1% THD
1.4
V rms
Gain Bandwidth Product
1:1 Compression, VCA G = 60 dB
30
MHz
CONTROL SECTION
VCA Dynamic Gain Range
60
dB
VCA Fixed Gain Range
–60 to +19
dB
Compression Ratio, Min
1:1
Compression Ratio, Max
See TPC 3 for RCOMP/RROT
15:1
Control Feedthrough
15:1 Compression, Rotation Point = –10 dBu
±5mV
POWER SUPPLY
Supply Voltage Range
VS
4.5
5.5
V
Supply Current
ISY
7.5
10
mA
Quiescent Output Voltage Level
2.2
V
Power Supply Rejection Ratio
PSRR
50
dB
POWER DOWN
Supply Current
Pin 12 = V+
2
10
100
µA
NOTES
10 dBu = 0.775 V rms.
2Normal operation: Pin 12 = 0 V.
Specifications subject to change without notice.
ORDERING GUIDE
Temperature
Package
Package
Model
Range
Description
Option
SSM2166S
–40
°C to +85°CNarrow SOIC
R-14
ABSOLUTE MAXIMUM RATINGS
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +10 V
Audio Input Voltage . . . . . . . . . . . . . . . . . . . . . Supply Voltage
Operating Temperature Range . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . –65
°C to +150°C
Junction Temperature (TJ) . . . . . . . . . . . . . . . . . . . . . . 150
°C
Lead Temperature (Soldering, 60 sec) . . . . . . . . . . . . . 300
°C
ESD RATINGS
883 (Human Body) Model . . . . . . . . . . . . . . . . . . . . . . 2.0 kV
THERMAL CHARACTERISTICS
Thermal Resistance
14-Lead SOIC
θJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120°C/W
θ
JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
°C/W
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection. Although the
SSM2166 features proprietary ESD protection circuitry, permanent damage may occur on devices
subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended
to avoid performance degradation or loss of functionality.


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