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ST5090AD 数据表(PDF) 21 Page - STMicroelectronics

部件名 ST5090AD
功能描述  LOW VOLTAGE 14-BIT LINEAR CODEC WITH HIGH-PERFORMANCE AUDIO FRONT-END
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST5090AD 数据表(HTML) 21 Page - STMicroelectronics

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ANALOG INTERFACES
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
IMIC
Input Leakage
GND < VMIC <VCC
-100
+100
µA
RMIC
Input Resistance
GND < VMIC <VCC
50
k
Ω
RLVFr
Load Resistance (*)
VFr+ to VFr-
30
Ω
CLVFr
Load Capacitance (*)
From VFr+ to VFr-
50
nF
ROVFr0
Output Resistance
Steady zero PCM code applied
to DR; I = + 1mA
1.0
Ω
VOSVFr0
Differential offset:
Voltage at VFr+,VFr-
Alt ernat ing + zero PCM code
applied to DR maximum
receive gain; RL = 100
Ω
-100
+100
mV
RLvLr
Load Resistance (*)
VLr+ to VLr-
30
Ω
CLvLr
Load Capacitance (*)
from VLr+ to VLr-
50
nF
ROLVrO
Output Resistance
Steady zero PCM code applied
to DR; I + 1mA
1
Ω
VOSVLrO
Differential offset Voltage at
VLr+,VLr-
Alt ernat ing + zero PCM code
applied to DR maximum
receive gain; RL =50
Ω
–100
+100
mV
(*) See application note for VFr and VLr connections.
POWER DISSIPATION
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
ICC0
Power down Current at 3.3V
± 10% CCLK,CI = 0.1V; CS = VCC-0.1V
0.5
5
µA
ICC0
Power down Current at 5V
± 10% CCLK,CI = 0.1V; CS = VCC-0.1V
1
10
µA
ICC1
Power Up Current at 3.3V
± 10%
VLr+,VLr- and VFr+,VFr- not
loaded
710
mA
ICC1
Power Up Current at 5V
± 10%
VLr+,VLr- and VFr+,VFr- not
loaded
812
mA
TRANSMISSION CHARACTERISTICS (unless otherwise specified, VCC = 3.3V + 10% or 5V ±10%,
T A = –30
°Cto 85°C; typical characteristics are specified at VCC =3.3V, TA =25°C, M IC 1/2/3 =
0
dBm0, DR = –6dBm0 PCM code, f = 1015.625 Hz; all signal are referenced to GND)
AMPLITUDE RESPONSE (Maximum, Nominal, and Minimum Levels)
Transmit path - Absolute levels at MIC1 / MIC2 / MIC3
Parameter
Test Condition
Min.
Typ.
Max.
Unit
0 dBm0 level
Transmit Amps connected for
20dB gain
49.26
mVRMS
Overload level
70.71
mVRMS
0 dBm0 level
Transmit Amps connected for
42.5dB gain
3.694
mVRMS
Overload level
5.302
mVRMS
ST5090
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