(VDD
參數(shù)資料
型號(hào)： SI3225PPT0-EVB
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 18/112頁(yè)
文件大?。?/td> 0K
描述： BOARD EVAL W/SI3200 INTERFACE
標(biāo)準(zhǔn)包裝： 1
系列： ProSLIC®
類型： ADC + DAC，編碼解碼器，前端
適用于相關(guān)產(chǎn)品： Si3225
所含物品： 評(píng)估板和光盤
Si3220/25 Si3200/02
Rev. 1.3
13
Not
Recommended
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Table 6. Linefeed Characteristics
(VDD, VDD1 – VDD4 = 3.13 to 5.25 V, TA = 0 to 70 °C for K/F-Grade, –40 to 85 °C for B/G-Grade)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Maximum Loop Resistance (adaptive
linefeed disabled1)
RLOOP
RDC,MAX
2 = 430
,
ILOOP =18mA, VBAT =–52 V,
ABIAS = 8 mA
VOCDELTA = 0
1870
—
Maximum Loop Resistance (adaptive
linefeed enabled1)
RLOOP
RDC,MAX
2 = 430
,
ILOOP =18mA, VBAT =–52 V,
ABIAS = 8 mA
VOCDELTA
0
2030
—
DC Loop Current Accuracy
ILIM =18mA
—
±10
%
DC Open Circuit Voltage Accuracy
Active Mode; VOC =48 V,
VTIP – VRING
——
±4
V
DC Differential Output Resistance
RDO
ILOOP < ILIM
—320
—
DC On-Hook Voltage Accuracy—Ground
Start
VOHTO
IRING<ILIM; VRING wrt ground,
VRING =–51 V
——
±4
V
DC Output Resistance—Ground Start
RROTO
IRING<ILIM; RING to ground
—
320
—
DC Output Resistance—Ground Start
RTOTO
TIP to ground
300
—
k
Loop Closure Detect Threshold Accuracy
ITHR =13mA
—
±10
±15
%
Ground Key Detect Threshold Accuracy
ITHR =13mA
—
±10
±15
%
Ring Trip Threshold Accuracy
Si3220, ac detection,
VRING = 70 Vpk, no offset,
ITH =80mA
—±4
±5
mA
Si3220, dc detection,
20 V dc offset, ITH =13mA
—±1.5
±2
mA
Si3225, dc detection,
48 V dc offset, Rloop =1500
——
±4.5
mA
Ringing Amplitude, Si32203
VRING
Open circuit, VBATH =100 V
93
—
VPK
5 REN load, RLOOP =0
VBATH = 100 V
82
—
VPK
Sinusoidal Ringing Total
Harmonic Distortion
RTHD
—2—
%
Ringing Frequency Accuracy
f = 16 Hz to 100 Hz
—
±1
%
Ringing Cadence Accuracy
Accuracy of ON/OFF times
—
±50
ms
Calibration Time
CAL to CAL bit
—
600
ms
Notes:
1. Adaptive linefeed is enabled when the VOCDELTA RAM address is set to a non-zero value and is disabled when
VOCDELTA is set to 0.
2. RDC,MAX is the maximum dc resistance of the CPE; hence the specified total loop resistance is RLOOP + RDC,MAX.
3. Ringing amplitude is set for 93 V peak using the RINGAMP RAM address and measured at TIP-RING using no series
protection resistance.
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