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U4091BM Datasheet, PDF (20/29 Pages) TEMIC Semiconductors – Programmable Telephone Audio Processor | |||
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U4091BM
Electrical Characteristics
f = 1 kHz, 0 dBm = 775 mVrms, IVMIC = 0.3 mA, IMP = 3 mA, RDC = 1.3 Mâ¦, Tamb = 25°C, Zear = 68 nF + 100 â¦,
ZM = 68 nF, resonator: f = 3.58 MHz, all bits in reset condition, unless otherwise specified.
Parameters
Test Conditions / Pins
Symbol Min. Typ. Max.
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC characteristics
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC voltage drop-over
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ circuit
IL = 2 mA
IL = 14 mA
IL = 60 mA
2.4
4.6
5.0
5.4
VL
7.5
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IL = 100 mA
8.8
9.4
10.0
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Transmission amplifier, IL = 14 mA, VMIC = 2 mV, MICG[0:1] = 2, AGATX[0:2] = 7
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ERX = ETX = ENMIC = ENSTBAL = I1O1 = I3O3 = 1, (GT = 48 dB)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Transmit amplification MICG[0:1] = 2
AGATX[0:2] = 7
GT
45.8
47
48.2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà Frequency response IL ⥠14 mA,
DGT
â1
0
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ due to internal filters) f = 1 kHz to 3.4 kHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Gain change with
IL = 14 to 100 mA
DGT
±0.5
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Gain deviation
Tamb = â10 to +60°C
DGT
±0.5
CMRR of microphone
CMRR
60
80
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ amplifier
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input resistance of
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MIC amplifier
Ri
50
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input resistance of
MIC3 amplifier
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Gain difference
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ between MIC1, MIC2
MICHF = 1
MICHF = 1
Ri
75
DGT
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ to MIC3
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Distortion at line
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Maximum output
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ voltage
IL ⥠14 mA
VL = 700 mVrms
IL ⥠19 mA, d < 5%
VMIC = 10 mV
CTXA = 1 µF
dt
VLmax
1.3
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DBM5 = 0
DBM5 = 1
VLmax
3.8
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VMIC = 20 m
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MICG[0:1] = 3
VMICOmax
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà Noise at line psopho- IL ⥠14 mA, MICG[0:1] = 2
no
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ metrically weighted AGATX[0:2] = 7
150 300
±0.4
2
2.5
3.7
5.0
6.2
â5.2
â 80 â 72
Anti-clipping:
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ attack time
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ release time
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Gain at low operating
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Distortion at low
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ operating current
CTXA = 1 mF
each 3 dB overdrive
IL = 8 mA, IMP = 1 mA
RDC = 680 kâ¦
VMIC =
IVMIC =
0.5 mV
300 mA
IL = 8 mA, IMP = 1 mA
RDC = 680 kâ¦
VMIC =
IVMIC =
5 mV
300 mA
ta
0.5
tr
16
GT
45.5
48.5
dt
5
Unit Fig.
V
dB
dB
dB
dB
dB
kâ¦
kâ¦
dB
%
dBm
dBm
dBm
dBmp
ms
ms
dB
%
20 (29)
Target Specification
Rev. A1, 02-Jun-98
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