參數(shù)資料
型號(hào): T7502
廠商: Lineage Power
元件分類: Codec
英文描述: Dual PCM Codec with Filters(帶濾波器的雙PCM編解碼器)
中文描述: 雙PCM編解碼器與過(guò)濾器(帶濾波器的雙的PCM編解碼器)
文件頁(yè)數(shù): 5/16頁(yè)
文件大?。?/td> 355K
代理商: T7502
Lucent Technologies Inc.
5
Data Sheet
February 1998
T7502 Dual PCM Codec with Filters
Electrical Characteristics
(continued)
dc Characteristics
(continued)
Table 3. Power Dissipation
Power measurements are made at MCLK = 4.096 MHz, outputs unloaded.
Transmission Characteristics
Table 4. Analog Interface
Parameter
Symbol
I
DDO
I
DDU
Test Conditions
MCLK present and FS
0.4 V
MCLK, FS
pulse present
Min
Typ
0.1
18
Max
1
25
Unit
mA
mA
Powerdown Current
Powerup Current
Parameter
Symbol
R
VFXI
I
BVFXI
Test Conditions
VFxI = 2.4 V
VFxI = 2.4 V
Min
1.0
–2.4
Typ
±
0.01
Max
2.4
10
5
Unit
M
μ
A
pF
mV
Input Resistance, FS
X
I
Input Leakage Current, VF
X
I
Input Capacitance, VF
X
IN, VF
X
IP
Input Offset Voltage of Uncommitted
Op Amp, VF
X
IN – VF
X
IP
Input Common-mode Voltage Range,
VF
X
IN, VF
X
IP
Input Common-mode Rejection Ratio,
VF
X
IN, VF
X
IP
Gain Bandwidth Product (10 kHz) of Un-
committed Op Amp
Equivalent Input Noise Between VF
X
IN
and VF
X
IP at GS
X
Output Voltage Range, GS
X
dc Open-loop Voltage Gain, GS
X
Differential Output dc Offset Voltage
Load Capacitance, GS
X
Load Resistance, GS
X
VCM Output Voltage Referenced to GND
VCM Output Load Capacitance
Load Resistance, V
CM
Load Resistance, VF
R
O
Load Capacitance, VF
R
O
Output Resistance, VF
R
O
–5
1.2
V
DD
– 1.75
V
60
dB
3000
kHz
–30
dBrnC
A
VOL
CL
X1
RL
X1
RL
VCM
RL
VFRO
CL
VFRO
RO
VFRO
0.5
90
–80
10
2.25
0
10
300
±
10
2.35
0.3
V
DD
– 0.5
80
50
2.5
50
100
3
V
dB
mV
pF
k
V
pF
k
pF
0 dBm0, 1020 Hz PCM
code applied to D
R
Alternating
±
zero A-law
PCM code applied to D
R
Output Voltage, VF
R
O
VO
R
2.25
2.35
2.5
V
Output Leakage Current, VF
R
O, Power-
down
Output Voltage Swing, VF
R
O
IO
VFRO
–30
±
0.02
30
μ
A
V
SWR
RL = 300
3.2
Vp-p
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