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參數(shù)資料
| 型號(hào)： | T7504 |
| 元件分類： | Codec |
| 英文描述： | T7504 and T75504 Quad PCM Codecs with Filters |
| 中文描述： | T7504和T75504四的PCM編解碼器與濾波器 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 221K |
| 代理商： | T7504 |
6
Lucent Technologies Inc.
Data Sheet
March 1999
T7504 and T5504 Quad PCM Codecs with Filters
Electrical Characteristics
(continued)
Table 3. Power Dissipation
Power measurements are made at MCLK = 4.096 MHz, outputs unloaded.
Transmission Characteristics
Table 4. Analog Interface
Parameter
Powerdown Current
Powerup Current
Standby Current
Symbol
I
DD0
I
DD1
I
DDS
Test Conditions
Min
—
—
—
Typ
0.2
30
6
Max
1
40
10
Unit
mA
mA
mA
MCLK present, FS
X
[3:0] = 0.4 V, FSEP = 0.4 V
MCLK, FS
X
[3:0], FSEP present
MCLK, FSEP present; FS
X
[3:0] = 0.4 V
Parameter
Symbol
R
VFXI
I
BVFXI
A
VOL
f
O
CL
X1
RL
X1
V
IX
RL
VF
R
O
CL
VF
R
O
RO
VF
R
O
Test Conditions
0.25 V < VFxI < 4.75 V
0.25 V < VFxI < 4.75 V
—
—
—
—
Relative to ground
—
—
0 dBm0, 1020 Hz PCM code
applied to D
R
Partial powerdown FS
X
= 0 for
channel under test
Alternating
±
zero
μ
-law PCM
code applied to D
R
FS
X
[3:0] = 0.4 V, FSEP = active,
no load
FSEP = 0.4 V
Min
1.0
—
5000
1
—
10
2.25 2.35
2000
—
—
Typ
—
—
—
3
—
—
Max
—
2.4
—
—
50
—
2.5
—
100
20
Unit
M
μ
A
—
MHz
pF
k
V
pF
Input Resistance, VF
X
IN
Input Leakage Current, VF
X
IN
dc Open-loop Voltage Gain, GS
X
Open-loop Unity Gain Bandwidth, GS
X
Load Capacitance, GS
X
Load Resistance, GS
X
Input Voltage, VF
X
IN
Load Resistance, VF
R
O
Load Capacitance, VF
R
O
Output Resistance, VF
R
O
—
—
—
3000
—
10000
Output Voltage, VF
R
O
VO
R
2.25 2.35
2.5
V
Output Voltage, VF
R
O, Standby
VO
RPD
2.15
2.4
2.65
V
Output Leakage Current, VF
R
O, Pow-
erdown
Output Voltage Swing, VF
R
O
IO
VF
R
O
–30
—
30
μ
A
V
SWR
RL = 2000
3.2
—
—
Vp-p
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