LE57D121BTC Zarlink, LE57D121BTC Datasheet - Page 9

• Manufacturer Part Number: LE57D121BTC
• Description: SLIC 2-CH 67dB 120mA 5V 44-Pin LQFP EP Tray
• Manufacturer: Zarlink

Specifications of LE57D121BTC

• Package: 44LQFP EP
• Number Of Channels Per Chip: 2
• Polarity Reversal: Yes
• Longitudinal Balanced: 67 dB
• Loop Current: 120 mA
• Minimum Operating Supply Voltage: 4.75 V
• Typical Operating Supply Voltage: 5 V
• Typical Supply Current: 9.3 mA

ELECTRICAL CHARACTERISTICS
Summary of Test Conditions
Unless otherwise noted, the test conditions are defined by the Le5712 device test circuit shown in
VCC=5 V, BAT = -52 V, R
Supply Currents and Power Dissipation (on-hook)
SPECIFICATIONS
Device specifications
Disconnect
Standby
Tip Open
Active
Reverse Polarity
Active Metering
Reverse Polarity
Metering
One channel Standby
One channel Active
Line Characteristics
VAB, Open Circuit
I
I
I
I
I
I
I
I
I
V
V
K1, Incremental RSN current gain
Power Supply Rejection Ratio at the Two-Wire Interface (Active states, On or Off Hook)
V
V
RI
L
LIMIT
L
L
L
L
L
AD
BD
AD
IREF
CC
BAT
, Long Loops, Active state
, Long Loops, Active state
, Long Loops, Active state
, Accuracy, Standby state
LIM, AD and BD to BGND
, Loop current, Disconnect state
Operational State
AS
leakage, Tip Open state
current, Tip Open state
Active and Standby states
, Effective internal resistance
, Short Loops, Active state
, IREF pin output voltage
Specification
L
= R
LAC
= 600 Ω, R
Min.
I
CC
mA (Note 1.)
Typ
3.2
3.2
3.1
9.0
9.0
9.3
9.3
6.1
Active
Standby
Metering states
R
R
R
R
Current Limited Region
Active, I
R
R
BD to BGND
AD to BAT=7 kΩ, BD to GND=100Ω
50 Hz to 3.4 kHz
V
V
300 Hz to 3.4 kHz
50 Hz to 60 Hz
CAS pin to AGND
REF
RIPPLE
RIPPLE
LDC
LDC
LDC
LDC
L
L
I
L
= 0 Ω
= 0 Ω
=
= 14.3 kΩ, R
= 2000 Ω, BAT = -48 V
= 100 Ω to 1100 Ω
= 2125 Ω
= 2125 Ω, BAT = -46.5 V



Zarlink Semiconductor Inc.
----------------------------- -
(
AD
BAT 4V
R
= 100 mVrms
= 100 mVrms
Max
5.5
6.5
6.5
13
13
10
13
13
L
+ I
+
Condition
BD
600
–
)
D



9
Min.
,
= 82.5 kΩ.
R
I
VBAT
LDC
mA (Note 1.)
≥
Typ
0.5
0.6
0.6
6.0
6.0
6.0
6.0
3.3
2000Ω
Max
10.0
10.0
10.0
10.0
0.8
1.0
1.0
5.5
42.75
46.75
0.9I
Min.
-7.5
490
1.2
38
20
30
20
18
20
20
30
28
20
90
L
Min.
SLIC Device Power mW
45.7
41.5
20.5
21.1
18.5
1.25
Typ
500
150
33
30
85
30
40
50
-5
I
L
Figure 7, on page 17
Typ
353
353
355
355
200
42
46
46
1.1I
Max
42.5
120
100
100
510
210
1.3
48
52
36
45
45
L
Max
540
540
540
540
305
62
70
70
Unit
A/A
mA
mA
mA
mA
mA
mA
mA
kΩ
µA
µA
dB
V
V
V
Note
with:
2
Note
3
4
2