SI3227-A-GQR Silicon Laboratories Inc, SI3227-A-GQR Datasheet - Page 8
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SI3227-A-GQR
Manufacturer Part Number
SI3227-A-GQR
Description
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI3227-A-GQR.pdf
(38 pages)
Specifications of SI3227-A-GQR
Lead Free Status / Rohs Status
Supplier Unconfirmed
Si3208/9
Table 5. Linefeed Characteristics
(V
8
Maximum Loop Resistance
DC Loop Current Accuracy
DC Open Circuit Voltage
Accuracy
DC Differential Output
Resistance
DC On-Hook Voltage
Accuracy—Ground Start
DC Output
Resistance—Ground Start
DC Output Resistance—
Ground Start
Loop Closure Detect
Threshold Accuracy
Ground Key Detect
Threshold Accuracy
Ring Trip
Threshold Accuracy
Ringing Amplitude
Sinusoidal Ringing Total
Harmonic Distortion
Ringing Frequency Accuracy
Ringing Cadence Accuracy
Calibration Time
Loop Voltage Sense
Accuracy
*Note: Ringing amplitude is set for 93 V peak and measured at TIP-RING using no series protection resistance.
DD
= 3.13 to 3.47 V, T
Parameter
A
= 0 to 70 °C for F-Grade, –40 to 85 °C for G-Grade)
Symbol
V
R
R
R
V
R
R
OHTO
LOOP
ROTO
TOTO
RING
THD
DO
48 V DC offset, R
I
I
V
V
Open Circuit, V
RING
Open circuit, V
LOOP
I
20 V dc offset, I
Accuracy of ON/OFF times
Accuracy of boundaries for
V
5 REN load, R
5 REN load, R
RING
BAT
Active Mode; V
BAT
Preliminary Rev. 0.33
RING
V
f = 16 Hz to 100 Hz
<I
each output Code;
= –130 V, R
↑CAL to ↓CAL bit
R
= –110 V, R
TIP
<I
= 18 mA, V
Test Condition
LIM
V
DC,MAX
DC Detection,
TIP to ground
DC detection,
I
I
AC detection,
V
LIM
= 70 Vpk, no offset,
I
THR
THR
I
LIM
RING
I
LOOP
TH
– V
TIP
; V
; RING to ground
= 18 mA
= 80mA
RING
= 13 mA
= 13 mA
RING
– V
= –51 V
< I
= 430 Ω
BAT
BAT
LOOP
LOOP
RING
TH
loop
OC
LIM
DO
DO
BAT
wrt ground,
= 48 V
= –110 V
= 13 mA
= –135 V
= 48 V,
= 1500 Ω
= 160 Ω
= 160 Ω
= 0 Ω,
= 0 Ω,
= –52V
Min
160
160
400
108
133
121
99
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
2
2000
TBD
Max
640
640
10
10
10
50
—
—
—
—
—
—
4
4
4
1
3
1
4
Unit
V
V
V
V
mA
mA
mA
kΩ
ms
ms
%
%
%
%
%
%
Ω
Ω
Ω
V
V
PK
PK
PK
PK