tp3070 National Semiconductor Corporation, tp3070 Datasheet - Page 18

• Manufacturer Part Number: tp3070
• Description: Combo Ii Programmable Pcm Codec/filter
• Manufacturer: National Semiconductor Corporation

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Symbol
AMPLITUDE RESPONSE
G
G
G
G
G
G
Transmission Characteristics
Unless otherwise noted, limits printed in BOLD characters are guaranteed for V
+70˚C (−40˚C to +85˚C for TP3070-X) by correlation with 100% electrical testing at T
0 dBm0, D
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
XAT
XAL
RA
RAG
RAT
RAF
Transmit Gain
Variation with
Temperature
Transmit Gain
Variation with Signal
Level
Receive Gain
Absolute Accuracy
Receive Gain
Variation with
Programmed Gain
Receive Gain
Variation with Temperature
Receive Gain
Variation with Frequency
R
0 or D
R
Parameter
1 = 0 dBm0 PCM code. Transmit and receive gains programmed for maximum 0 dBm0 test levels (0 dB
Measured Relative to G
V
Minimum gain
−40˚C to +85˚C (TP3070-X)
Sinusoidal Test Method.
Reference Level = 0 dBm0.
VF
VF
VF
Receive Gain Programmed for Maximum
0 dBm0 Test Level (All 1’s in
Gain Register). Apply 0 dBm0 PCM Code
to D
T
T
Programmed Gain from 0 dB to 19 dB
(0 dBm0 Levels of 1.964 Vrms to
0.220 Vrms)
Programmed Gain from 19.1 dB to 25.4 dB
(0 dBm0 Levels of 0.218 Vrms to
0.105 Vrms)
Measured Relative to G
V
Minimum Gain
−40˚C to +85˚C (TP3070-X)
Relative to 1015.625 Hz, (Note 15)
D
Minimum Gain
f = 200 Hz
f = 300 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
G
G
f = 296.875 Hz
f = 1875.00 Hz
f = 2906.25 Hz
f = 2984.375 Hz
f = 3406.250 Hz
f = 3984.375 Hz
A
A
BB
CC
R
R
X
X
X
X
0 or D
= 25˚C
= 25˚C, V
= 0 dB (Note 15)
Note:
= 0 dB, D
I = −40 dBm0 to +3 dBm0
I = −50 dBm0 to −40 dBm0
I = −55 dBm0 to −50 dBm0
R
= −5V,
= 5V, V
0 or D
(Continued)
part.
±
R
0.1 dB min/max is available as a selected
1 = 0 dBm0 code.
R
BB
1. Measure VF
CC
R
<
0 = 0 dBm0 Code,
<
<
= −5V.
= 5V, V
Conditions
G
G
G
X
R
R
18
<
<
<
Maximum Gain
XA
RA
Maximum Gain
Maximum Gain
BB
, V
.
= −5V
R
CC
O.
= 5V,
CC
CC
= +5V
= +5V, V
A
= 25˚C. f = 1015.625 Hz, VF
±
5%, V
−0.15
−0.15
−0.15
−0.25
−0.15
−0.15
−0.15
−0.15
−0.15
−0.74
BB
−0.1
−0.2
−0.4
−1.2
−0.1
−0.3
−0.1
−0.7
Min
= −5V, T
BB
= −5V
Typ
A
= 25˚C.
±
5%; T
−13.5
Max
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
0.15
−14
0.1
0.2
0.4
1.2
0.1
0.3
0.1
0.0
0.0
A
X
I =
= 0˚C to
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB