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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

T-8502-EL2-DT 데이터 시트보기 (PDF) - Agere -> LSI Corporation

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T-8502-EL2-DT
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T-8502-EL2-DT Datasheet PDF : 16 Pages
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Data Sheet
July 1998
T8502 and T8503 Dual PCM Codecs with Filters
Electrical Characteristics (continued)
dc Characteristics (continued)
Table 3. Power Dissipation
Power measurements are made at MCLK = 4.096 MHz with outputs unloaded and ASEL and GS[1:0] not
connected. Clock and frame sync levels are +5 V and 0 V.
Channels
Operational
Parameter
0
Standby Current
Symbol
IDDS
1
Partial Standby Current IDDP
2
Powerup Current
IDD1
Test Conditions
MCLK present;
FSX[1:0] = FSR[1:0] = 0 V
MCLK present;
FS pulses present for
one channel,
FSX = FSR = 0 V for other
channel
MCLK, FS pulses present
Min Typ Max Unit
—5
8 mA
— 10 16 mA
— 16 23 mA
Transmission Characteristics
Table 4. Analog Interface
Parameter
Symbol
Test Conditions
Input Resistance, VFXIN
RVFXI
0.25 V < VFXI < 4.75 V
Input Leakage Current, VFXIN
IBVFXI
0.25 V < VFXI < 4.75 V
dc Open-loop Voltage Gain, GSX
AVOL
Open-loop Unity Gain Bandwidth, GSX fO
Load Capacitance, GSX
CLX1
Load Resistance, GSX
RLX1
Input Voltage, VFXIN
VIX
Relative to ground
Load Resistance, VFRO
RLVFRO
Load Capacitance, VFRO
CLVFRO
Output Resistance, VFRO
ROVFRO
0 dBm0, 1020 Hz PCM code
applied to DR
Standby mode FSX = FSR = 0 V for
channel under test
Output Voltage, VFRO
VOR
Alternating ± zero µ-law PCM
code applied to DR
Output Voltage, VFRO, Standby
VORPD Standby mode FSX = FSR = 0 V for
channel under test, no load
Output Voltage Swing, VFRO
VSWR
RL = 2000
Min Typ Max
1.0 60 —
— 0.04 2.4
5000 — —
13 —
— — 50
10 — —
2.25 2.35 2.5
2000 — —
— — 100
— — 20
3000 — 10000
2.25 2.38 2.5
2.0 2.35 2.65
3.2 — —
Unit
M
µA
MHz
pF
k
V
pF
V
V
Vp-p
Lucent Technologies Inc.
5
 

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