參數(shù)資料
型號： TP3056BDWR
元件分類： Codec
英文描述： PCM CODEC|SINGLE|CMOS|SOP|16PIN|PLASTIC
中文描述： PCM編解碼器|單|的CMOS |專科| 16PIN |塑料
文件頁數(shù)： 7/19頁
文件大?。?/td> 287K
代理商： TP3056BDWR
TP3056B
MONOLITHIC SERIAL INTERFACE
COMBINED PCMCODEC AND FILTER
SLWS072A – MAY 1998 – REVISED AUGUST 1998
7
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) (continued)
envelope delay distortion with frequency
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
s
Transmit delay, absolute (at 0 dBm0)
f = 1600 Hz
290
315
f = 500 Hz to 600 Hz
195
220
f = 600 Hz to 800 Hz
120
145
f = 800 Hz to 1000 Hz
50
75
Transmit delay, relative to absolute
f = 1000 Hz to 1600 Hz
20
40
μ
s
f = 1600 Hz to 2600 Hz
55
75
f = 2600 Hz to 2800 Hz
80
105
f = 2800 Hz to 3000 Hz
130
155
Receive delay, absolute (at 0 dBm0)
f = 1600 Hz
180
200
μ
s
f = 500 Hz to 1000 Hz
–40
–25
f = 1000 Hz to 1600 Hz
–30
–20
Receive delay, relative to absolute
f = 1600 Hz to 2600 Hz
70
90
μ
s
f = 2600 Hz to 2800 Hz
f = 2800 Hz to 3000 Hz
100
140
125
175
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
.
noise
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Transmit noise, C-message weighted
μ
-law
A-law
VFXI = 0 V
9
14
dBrnC0
Transmit noise, psophometric weighted (see Note 4)
VFXI = 0 V
–78
–75
dBm0p
Receive noise, C-message weighted
μ
-law
PCM code equals alternating positive
and negative zero.
2
4
dBrnC0
Receive noise, psophometric weighted
A-law
PCM code equals positive zero.
–86
–83
dBm0p
Noise, single frequency
VFXI+ = 0 V, f = 0 kHz to 100 kHz,
Loop-around measurement
–53
dBm0
All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25
°
C.
NOTE 4: Measured by extrapolation from the distortion test result. This parameter is achieved through use of patented circuitry and is not
recommended for applications in which the composite signals on the transmit side are below –55 dBm0.
crosstalk
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Crosstalk, transmit to receive
f = 300 Hz to 3000 Hz,
DR at steady PCM code
–90
–75
dB
Crosstalk, receive to transmit (see Note 5)
All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25
°
C.
NOTE 5: Receive-to-transmit crosstalk is measured with a – 50 dBm0 activation signal applied at VFXI+.
VFXI = 0 V,
f = 300 Hz to 3000 Hz
–90
–75
dB
power amplifiers
PARAMETER
TEST CONDITIONS
MIN
1.65
MAX
UNIT
Maximum 0 dBm0 rms level for better than
0.1 dB linearity
over the range if –10 dBm0 to 3 dBm0
0 dB 0
b tt
±
0 1 dB li
B l
Balanced load,RL, connected
between VFRO and Gnd
d R
t d
RL = 600
RL = 1200
RL = 30 k
1.75
Vrms
2
Signal/distortion
RL = 600
50
dB
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TP3057A 制造商:TI 制造商全稱:Texas Instruments 功能描述:MONOLITHIC SERIAL INTERFACE COMBINED PCM CODEC AND FILTER
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