TSH512
Symbol
Parameter
Micropho ne Biasing Section
Microphone Biasing Voltage
VMIC-BIAS (see page 15)
∆VMIC-BIAS VMIC-BIAS temperature coefficient
IMIC-BIAS MIC-BIAS current capability
Test condition
Min Typ Max Unit
IMIC-BIAS = 2.5 mA
Over temperature range
[0, 70°C]
IMIC-BIAS = 2.5 mA
over VCC range
[2.3V-5.5V]
2.15
2.5
2.25
160
2.35
V
ppm/°C
mA
PSRR-
MIC-BIAS
Power Supply Rejection Ratio of
MIC-BIAS
enMIC-BIAS Equivalent input noise of MIC-BIAS
Vox Operated Switch (VOX) Section
IVOX-TIMER
Monostable Current Source
(VOX-TIMER pin 29)
VTH-
VOX-TIMER
VMUTE_L
VMUTE_H
Standby
Threshold voltage of the Monostable
(Time Constant)
Low Level Output Voltage
(VOX-MUTE Pin27)
High Level Output Voltage
(VOX-MUTE Pin27)
VSBY_IL
max
Max. Low Level Input Voltage of
Standby input (SBY Pin5)
VSBY_IH
min
VCO Section
Min. High Level Input Voltage of
Standby input (SBY Pin5)
VVCO-BIAS
IVCO-BIAS
VCO-BIAS output voltage
(VCO-BIAS1 pin18 or VCO-BIAS2 pin
38)
VCO-BIAS output current capability
@ 1kHz and
V ripple = 25mVRMS
VCC=2.7V
VCC=5.0V
Vcc = 2.7V
RL = 2 kΩ
RL = 2 kΩ
With No Load
VVCO-BIAS > 1.38V
2.3V < Vcc < 5.5V
50
dB
22
nV/√Hz
42
5
µA
1.4
V
0.2
V
Vcc-0.3
V
0.1xVcc
V
0.9xVcc
V
1.43 1.47 1.51
VDC
40
µA
8
mV/V
δVVCO-BIAS VCO-BIAS voltage drift
PNLO
Phase Noise
S VRVCO-BIAS
Supply Voltage Rejection Ratio of
VCO-BIAS
VCO Output Impedance
ZVCO-OUT (VCO-OUT1 pin22 or VCO-OUT2
pin34)
ZLVCO-OUT Minimum Load Impedance
min
0°C < Tamb < 70°C
Vcc=2.7V
Vcc=5.0V
@ 1kHz,
L = 120µH (Q=30) and
RVCO no connected
With No Load
+100
+160
-80
43
400
1
ppm/°C
ppm/°C
dBc
dB
Ω
kΩ
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