參數(shù)資料
型號： TCM4400ETQFP
廠商： Texas Instruments, Inc.
英文描述： GSM/DCS BASEBAND AND VOICE A/D AND D/A RF INTERFACE CIRCUIT
中文描述： 的GSM / DCS的基帶和語音的A / D和D / A射頻接口電路
文件頁數(shù)： 13/64頁
文件大?。?/td> 888K
代理商： TCM4400ETQFP
TCM4400E
GSM/DCS BASEBAND AND VOICE A/D
AND D/A RF INTERFACE CIRCUIT
SLWS082A – JULY 1999 – REVISED MARCH 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
automatic Gain Control (AGC)
AGC 10-bit DAC
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Integral nonlinearity
Best fitting line
–1
1
LSB
Differential nonlinearity
–1
1
LSB
μ
s
Settling time
From AUXAGC load
100
AGC output stage
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage with code max
1.9
2.2
2.4
V
Offset voltage with code 000
0.18
0.24
0.30
V
Output voltage in power down
0
V
DC power supply sensitivity
1%
Output impedance in power down
200
k
k
pF
Load resistance
10
Load capacitance
50
automatic frequency control (AFC)
AFC 13-bit DAC
PARAMETER
TEST CONDITIONS
AFCCK1=1
MIN
TYP
MAX
UNIT
AFCCK0 = 1
2
Sampling frequency f
Sampling frequency, fs
AFCCK1=1
AFCCK0 = 0
1
MHz
AFCCK1=0
AFCCK0 = 1
0.5
AFCCK1=0
AFCCK0 = 0
0.25
±
1
±
1
Integral nonlinearity from 0 to 75% output range
Best fitting line
LSB
Differential nonlinearity from 0 to 75% output range
LSB
μ
s
Settling time
1
DC power-supply sensitivity
Over power supply range
1%
AFC output stage
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
k
nF
Internal output resistance (
±
30 % tolerance)
External filtering capacitance
25
33
Output voltage with code max
2.0
2.5
2.8
V
Output voltage with code min
0
3
6
mV
Output voltage in power down
0
V
Output impedance in power down
25
k
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