參數(shù)資料
型號(hào): UCB1100
廠商: NXP Semiconductors N.V.
英文描述: Advanced modem/audio analog front-end
中文描述: 先進(jìn)的調(diào)制解調(diào)器/音頻模擬前端
文件頁(yè)數(shù): 15/36頁(yè)
文件大?。?/td> 290K
代理商: UCB1100
Philips Semiconductors
Preliminary specification
UCB1100
Advanced modem/audio analog front-end
1998 May 08
15
6.2.2
Telecom Output Specifications
SYMBOL
PARAMETER
CONDITIONS
LIMITS
UNIT
MIN
TYP
MAX
F
ST
V
OOT
sample frequency
10
kHz
full scale output voltage
differential Toutp/Toutn
4.0
4.4
V
pp
V
TOUT
DC bias voltage
Toutp / Toutn pins
telecom output path
enabled
1.4
V
ROES
TO
SINAD
TO
RIP
TO
resolution
14
bit
signal to noise + distortion
75
dB
pass band ripple
0.6
dB
RIP
VTO
pass band ripple,
voice band filter activated
0.6
dB
SBR
VTO
stop band rejection,
voice filter activated
Fsig < F
VLT
SBR
TO
E
ITO
Z
TELTO
stop band rejection
F
SHT
< Fsig
Frequencies > F
ST
70
dB
integrated out of band energy
25
mVrms
minimal load impedance
600
V
OFFTO
offset error
(deviation of the analogue output from
zero with 0 code input to telecom out-
put path)
NOTE:
Coding scheme for the DAC input data is 2’s complement.
1200
load
50
mV
F
SHT
F
PHT
FREQUENCY (Hz)
F
PLT
RIP
TO
0dB
SBR
HTO
SN00138
Figure 13.
Telecom Output Frequency Response,
No Voice Filter
ááááááááááááááááá
ááááááááááááááááá
F
PLT
= 0.00016 * F
ST
ááááááááááááááááá
F
PHT
= 0.42 * F
ST
ááááááááááááááááá
F
SHT
= 0.6 * F
ST
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