參數(shù)資料
型號： TP3056BN
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER
中文描述： 整體式串行接口的PCM編解碼器和過濾器
文件頁數(shù)： 6/19頁
文件大?。?/td> 287K
代理商： TP3056BN
TP3056B
MONOLITHIC SERIAL INTERFACE
COMBINED PCMCODEC AND FILTER
SLWS072A – MAY 1998 – REVISED AUGUST 1998
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, over operating free-air temperature range, V
CC
= 5 V
±
5%,
V
BB
= –5 V
±
5%, GND at 0 V, V
I
= 1.2276 V, f = 1.02 kHz, transmit input amplifier connected for unity
gain, noninverting, in A-law and
μ
-law modes, (unless otherwise noted)
filter gains and tracking errors
PARAMETER
TEST CONDITIONS
MIN
TYP
2.501
2.492
MAX
UNIT
Maximum peak transmit
overload level
Transmit filter gain, absolute (at 0 dBm0)
μ
-law
A-law
3.17 dBm0
3.14 dBm0
TA = 25
°
C
f = 16 Hz
f = 50 Hz
f = 60 Hz
f = 200 Hz
f = 300 Hz to 3000 Hz
f = 3300 Hz
f = 3400 Hz
f = 4000 Hz
f
≥
4600 Hz
(measure response from 0 Hz to 4000 Hz)
V
– 0.15
0.15
–40
–30
–26
–0.1
0.15
0.05
dB
–1.8
–0.15
–0.35
–0.8
Transmit filter gain relative to absolute
Transmit filter gain, relative to absolute
dB
0
–14
–32
Absolute transmit gain variation with
temperature and supply voltage relative to
absolute transmit gain
–0.1
0.1
dB
3 dBm0
≥
input level
–40 dBm0
–40 dBm0 > input
level
≥
–50 dBm0
–50 dBm0 > input
level
≥
–55 dBm0
±
0.2
Transmit gain tracking error with level
Sinusoidal test method,
Reference level = –10 dBm0
±
0.4
dB
±
0.8
Receive filter gain, absolute (at 0 dBm0)
Input is digital code sequence for 0-dBm0 signal,
TA = 25
°
C
f = 0 Hz to 3000 Hz,
f = 3300 Hz
f = 3400 Hz
f = 4000 Hz
–0.15
0.15
dB
TA = 25
°
c
–0.15
–0.35
–0.8
0.15
0.05
Receive filter gain relative to absolute
Receive filter gain, relative to absolute
dB
0
–14
Absolute receive gain variation with temperature
and supply voltage
TA = full range,
See Note 3
–0.1
0.1
dB
Sinusoidal test method;
reference input PCM code
corresponds to an ideally
encoded –10 dBm0 signal
3 dBm0
≥
input level
≥
–40 dBm0
–40 dBm0 > input
level
≥
–50 dBm0
–50 dBm0 > input
level
≥
–55 dBm0
3 dBm0
≥
input level
≥
–40 dBm0
–40 dBm0 > input
level
≥
–50 dBm0
–50 dBm0 > input
level
≥
–55 dBm0
±
0.2
Receive gain tracking error with level
±
0.4
dB
±
0.8
Pseudo-noise test method;
Pseudo noise test method
reference input PCM code
corresponds to an ideally
encoded –10 dBm0 signal
±
0.25
Transmit and receive gain tracking error with
level (A-law, CCITT G 712)
±
0.3
dB
±
0.45
All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25
°
C.
Absolute rms signal levels are defined as follows: VI = 1.2276 V = 0 dBm0 = 4 dBm at f = 1.02 kHz with RL = 600
.
NOTE 3: Full range for the TP3056B is 0
°
C to 70
°
C.
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