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SSM2167-1RMZ-REEL

P1-P3P4-P6P7-P9P10-P12P13-P13
Data Sheet SSM2167
Rev. G | Page 3 of 12
SPECIFICATIONS
V
S
= 3.0 V, f = 1 kHz, R
L
= 100 kΩ, R
COMP
= 0 Ω, T
A
= 25°C, V
IN
= 100 mV rms, R
GATE
= 2 kΩ, unless otherwise noted.
Table 1.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
AUDIO SIGNAL PATH
Voltage Noise Density e
n
10:1 compression 20 nV/√Hz
Noise 20 kHz bandwidth, V
IN
= GND −70 dBV
Total Harmonic Distortion + Noise THD + N V
IN
= 100 mV rms 0.2 %
Input Impedance Z
IN
100 kΩ
Output Impedance Z
OUT
145 Ω
Minimum resistive load
5
kΩ
Maximum capacitive load 2 nF
Input Voltage Range 0.4% THD + N 600 mV rms
Output Voltage Range 0.4% THD + N 700 mV rms
Gain Bandwidth Product 1:1 compression, VCA G = 18 dB 1 MHz
CONTROL SECTION
VCA Dynamic Gain Range 40 dB
VCA Fixed Gain 18 dB
Compression Ratio, Minimum 1:1
Compression Ratio, Maximum See Table 4 for R
COMP
10:1
Rotation Point 63 mV rms
Noise Gate Range Maximum threshold −40 dBV
POWER SUPPLY
Supply Voltage V
SY
2.5 5.5 V
Supply Current I
SY
2.3 5 mA
DC Output Voltage 1.4 V
Power Supply Rejection Ratio PSRR V
SY
= 2.5 V to 6 V 45 dB
SHUTDOWN
Supply Current I
SY
Pin 3 = GND 2 8 µA
SSM2167 Data Sheet
Rev. G | Page 4 of 12
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter Rating
Supply Voltage 6 V
Input Voltage 6 V
Operating Temperature Range −40°C to +85°C
Storage Temperature Range −65°C to +150°C
Junction Temperature 150°C
Lead Temperature (Soldering, 10 sec) 300°C
883 (Human Body) Model 500 V
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL RESISTANCE
θ
JA
is specified for worst-case conditions, that is, θ
JA
is specified
for a device soldered in a 4-layer circuit board for surface-mount
packages.
Table 3.
Package Type
θ
JA
θ
JC
Unit
10-Lead MSOP (RM) 180 35 °C/W
ESD CAUTION
Data Sheet SSM2167
Rev. G | Page 5 of 12
TYPICAL PERFORMANCE CHARACTERISTICS
100
10
1
0 500 1000 1500 2000 2500 3000 3500
NOISE GATE (mV rms)
R
GATE
(Ω)
T
A
= 25°C
V+ = 3V
R
LOAD
= 100kΩ
COMPRESSION RATIO 2:1
ROTATION POINT = 63mV rms
02628-003
Figure 3. Noise Gate vs. R
GATE
1
0.1
0.01
20 100 1k 10k 30k
THD + N (%)
FREQUENCY (Hz)
T
A
= 25°C
V+ = 3V
V
IN
= 24.5mV rms
COMPRESSION RATIO 1:1
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-004
Figure 4. THD + N vs. Frequency
35
30
25
20
15
10
5
0
–5
–10
–15
1k 10k 100k 1M 10M
GAIN (dB)
FREQUENCY (Hz)
V
IN
= 2mV rms
R
COMP
= 175kΩ
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-005
Figure 5. GBW Curves vs. VCA Gain
1
0.1
0.01
0.01 0.1 1
THD + N (%)
INPUT VOLTAGE (V rms)
T
A
= 25°C
V+ = 3V
V
IN
FREQUENCY = 1kHz
R
LOAD
= 100kΩ
COMPRESSION RATIO 1:1
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-006
Figure 6. THD + N vs. Input Voltage
0
–80
–70
–60
–50
–40
–30
–20
–10
–80 –70 –60 –50 –40 –30 –20 –10
OUTPUT (dBV)
INPUT (dBV)
COMPRESSION RATIO 10:1
COMPRESSION RATIO 5:1
COMPRESSION RATIO 2:1
COMPRESSION RATIO 1:1
T
A
= 25°C
V+ = 3V
R
LOAD
= 100kΩ
ROTATION POINT = 63mV rms
NOISE GATE SETTING = 2mV rms
02628-007
Figure 7. Output vs. Input Characteristics
–10
–80
–70
–60
–50
–40
–30
–20
10 100 1k 10k 100k
PSRR (dB)
FREQUENCY (Hz)
V+ = 3V + 0.1
R
GATE
= 5kΩ
R
COMP
= 0Ω
02628-008
Figure 8. PSRR vs. Frequency
P1-P3P4-P6P7-P9P10-P12P13-P13

SSM2167-1RMZ-REEL

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Manufacturer:
Analog Devices Inc.
Description:
Microphone Preamplifiers IC MICROPHONE PREAMP W/18dB FIXED GAIN
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