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PDF ULV1012 Data sheet ( Hoja de datos )
| Número de pieza | ULV1012 | |
| Descripción | PRE-AMPLIFIED IC | |
| Fabricantes | Unisonic Technologies | |
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UNISONIC TECHNOLOGIES CO., LTD
ULV1012
Preliminary
CMOS IC
ANALOG SERIES:
PRE-AMPLIFIED IC'S FOR
HIGH GAIN 2-WIRE
MICROPHONES
DESCRIPTION
The UTC ULV1012 is high gain, high impedance per-amplifier
which is designed to replace the JFET amplifier currently being
used. The UTC ULV1012 audio amplifiers are specified to operate
over a 2.2V to 5.0V supply voltage range with fixed gains of 7.8dB,
15.6dB, 20.9dB, and 23.8dB. The devices offer excellent THD, gain
accuracy and temperature stability as compared to a JFET
microphone.
The UTC ULV1012 series is ideally suited for applications
requiring high signal integrity in the presence of ambient or RF
noise, such as in cellular communications.
The UTC ULV1012 suited for use in headsets, mobile
communications, automotive accessories, PDAs, accessory
microphone products and telephone Electret Condenser
Microphones (ECM).
FEATURES
* Typical ULV1012-15, 2.2V Supply, RL=2.2kΩ, C=2.2μF,
VIN=18mVPP, Unless Otherwise Specified
* Supply Voltage: 2V ~ 5V
* Supply Current: <180μA
* Voltage Gain
– ULV1012-07: 7.8dB
– ULV1012-15: 15.6dB
– ULV1012-20: 20.9dB
– ULV1012-25: 23.8dB
* Temperature Range: −40°C~85°C
54
6
1 23
SOT-26
ORDERING INFORMATION
Ordering Number
ULV1012G-xx-AG6-R
Package
SOT-26
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2016 Unisonic Technologies Co., Ltd
1 of 7
QW-R107-073.a
1 page  
ULV1012
Preliminary
CMOS IC
2.2V ELECTRICAL CHARACTERISTICS (Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
(Note 2) (Note 3) (Note 2)
UNIT
ULV1012-07
1.65 1.90 2.03
1.54 2.09
V
V
Output Voltage
VOUT VIN=GND
ULV1012-15
ULV1012-20
1.54 1.81 1.94
1.48 2.00
1.65 1.85 2.03
1.55 2.13
V
V
V
V
ULV1012-25
1.65 1.90 2.02
1.49 2.18
V
V
Lower −3dB Roll Off Frequency
Upper −3dB Roll Off Frequency
fLOW
fHIGH
RSOURCE=50Ω
RSOURCE=50Ω
65 Hz
95 kHz
ULV1012-07
-96 dBV
Output Noise
en
A-Weighted
ULV1012-15
ULV1012-20
-89 dBV
-84 dBV
ULV1012-25
-82 dBV
ULV1012-07
0.10 %
Total Harmonic Distortion
THD
f=1kHz,
VIN=18mV
ULV1012-15
ULV1012-20
0.09 %
0.12 %
ULV1012-25
0.15 %
Input Capacitance
Input Impedance
CIN
ZIN
2
>1000
pF
GΩ
ULV1012-07
6.4 7.8 9.5 dB
5.5 10.0 dB
Gain
AV
f=1kHz,
ULV1012-15
RSOURCE=50Ω ULV1012-20
14.0 15.6 16.9
13.1 17.5
19.5 20.9 22.0
17.4 23.3
dB
dB
dB
dB
ULV1012-25
22.5 23.8 25.0
21.4 25.7
dB
dB
Notes: 1. Electrical Table values apply only for factory testing conditions at the temperature indicated. Factory testing
conditions result in very limited self-heating of the device such that TJ=TA. No specification of parametric
performance is indicated in the electrical tables under conditions of internal self-heating where TJ>TA.
2. All limits are specified by design or statistical analysis.
3. Typical values represent the most likely parametric norm.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 7
QW-R107-073.a
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| PDF Descargar | [ Datasheet ULV1012.PDF ] | |
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