T8536B ETC-unknow, T8536B Datasheet - Page 29

• Manufacturer Part Number: T8536B
• Description: T8535b/t8536b Quad Programmable Codec
• Manufacturer: ETC-unknow

September 2001
Agere Systems Inc.
Electrical Characteristics
Gain and Dynamic Range
Table 13. Gain and Dynamic Range
Absolute Levels
Absolute Levels
Absolute Maximum Volt-
Transmit Gain Absolute
Transmit Gain Variation
Transmit Gain Variation
age Swings
Accuracy
with Programmed Gain
with Frequency, 600
Resistive Source
Impedance and Syn-
thesized Termination
Impedance
Parameter
Symbol
GXAG
GXAF
GAL
GAL
GAL
GXA
(continued)
VF
mum 0 dBm0 test level, measured devi-
deviation from the programmed gain rel-
0 dBm0 level at DX digital outputs, with
Measured transmit gain over the range
from maximum to minimum, calculated
Transmit gain programmed for maxi-
RCV (decoder milliwatt), termination
RCV (decoder milliwatt), termination
Maximum 0 dBm0 levels (1004 Hz):
Minimum 0 dBm0 levels (1004 Hz):
X
impedance off, all programmable
I (encoder milliwatt), all programma-
VF
ative to GXA at 0 dB, V
VF
Relative to 1004 Hz, minimum
ation of digital code from ideal
ble transmit gains set to 0 dB.
impedance off, GRX1 = 0 dB,
XAG = 24 dB, GTX1 = 6 dB,
gain < GX < maximum gain,
X
receive gains set to 0 dB.
R
transmit gain set to 0 dB:
VF
I = 0 dBm0 signal, path gain
f = 4600 Hz and above.
OP to VF
f = 300 Hz to 3000 Hz
X
Test Conditions
I (encoder milliwatt),
GRX2 = 6 dB.
40 °C to +85 °C.
20 °C to 70 °C
GTX2 = 0 dB.
0 °C to 85 °C
f = 16.67 Hz
f = 3140 Hz
f = 3380 Hz
f = 3860 Hz
set to 0 dB:
f = 200 Hz
f = 40 Hz
f = 50 Hz
f = 60 Hz
VF
R
ON (differential).
T8535B/T8536B Quad Programmable Codec
X
I
DD
= 5 V.
0.125
0.735
Min
0.25
0.30
0.57
—
—
—
—
—
—
—
—
—
—
—
—
—
0.1
3.0
±0.15
±0.04
2.80
5.29
87.5
2.63
0.01
Typ
0.03
—
—
—
—
—
—
2.0
8.8
50
40
40
55
0.135
0.125
0.015
Max
5.28
0.25
0.30
3.2
0.1
8.98
—
—
—
—
—
30
26
30
30
0
32
mVp-p
Vp-p
Vp-p
Vp-p
Vp-p
Vp-p
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
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