Datasheet

Transmission Characteristics
Unless otherwise noted, limits printed in BOLD characters are guaranteed for V
CC
=
+5V
±
5
%
,V
BB
=
−5V
±
5
%
;T
A
=
0˚C to
+70˚C (−40˚C to +85˚C for TP3070-X) by correlation with 100
%
electrical testing at T
A
=
25˚C. f
=
1015.625 Hz, VF
X
I
=
0 dBm0, D
R
0orD
R
1
=
0 dBm0 PCM code. Transmit and receive gains programmed for maximum 0 dBm0 test levels (0 dB
gain), hybrid balance filter disabled. All other limits are assured by correlation with other production tests and/or product de-
sign and characterization. All signals referenced to GND. Typicals specified at V
CC
=
+5V, V
BB
=
−5V, T
A
=
25˚C.
Symbol Parameter Conditions Min Typ Max Units
AMPLITUDE RESPONSE
Absolute Levels The Maximum 0 dBm0 Levels are:
VF
X
I 1.619 Vrms
VF
R
O (15 kΩ Load) 1.964 Vrms
The Minimum 0 dBm0 Levels are:
VF
X
I 87.0 mVrms
VF
R
O (Any Load ≥ 300Ω) 105.0 mVrms
Overload Levels are 3.17 dBm0 (µLaw)
and 3.14 dBm0 (A-Law)
G
XA
Transmit Gain Transmit Gain Programmed for Maximum
Absolute Accuracy 0 dBm0 Test Level. (All 1’s in gain register)
Measure Deviation of Digital Code from
Ideal 0 dBm0 PCM Code at D
X
0/1.
T
A
=
25˚C −0.15 0.15 dB
G
XAG
Transmit Gain T
A
=
25˚C, V
CC
=
5V, V
BB
=
5V
Variation with Programmed Gain from 0 dB to 19 dB
Programmed Gain (0 dBm0 Levels of 1.619 Vrms to
0.182 Vrms) −0.1 0.1 dB
Programmed Gain from 19.1 dB to 25.4 dB
(0 dBm0 Levels of 0.180 Vrms to
0.087 Vrms) −0.3 0.3 dB
Note:
±
0.1 dB min/max is available as a selected
part.
G
XAF
Transmit Gain Relative to 1015.625 Hz, (Note 15)
Variation with Minimum Gain
<
G
X
<
Maximum Gain
Frequency f
=
60 Hz −26 dB
f
=
200 Hz −1.8 −0.1 dB
f
=
300 Hz to 3000 Hz −0.15 0.15 dB
f
=
3400 Hz −0.7 0.0 dB
f
=
4000 Hz −14 dB
f ≥ 4600 Hz. Measure Response −32 dB
at Alias Frequency from 0 kHz to 4 kHz.
G
X
=
0 dB, VF
X
I
=
1.619 Vrms
Relative to 1015.625 Hz
f
=
62.5 Hz −24.9 dB
f
=
203.125 Hz −1.7 −0.1 dB
f
=
343.75 Hz −0.15 0.15 dB
f
=
515.625 Hz −0.15 0.15 dB
f
=
2140.625 Hz −0.15 0.15 dB
f
=
3156.25 Hz −0.15 0.15 dB
f
=
3406.250 Hz −0.74 0.0 dB
f
=
3984.375 Hz −13.5 dB
Relative to 1062.5 Hz (Note 15)
f
=
5250 Hz, Measure 2750 Hz −32 dB
f
=
11750 Hz, Measure 3750 Hz −32 dB
f
=
49750 Hz, Measure 1750 Hz −32 dB
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