le57d111 Zarlink Semiconductor, le57d111 Datasheet - Page 4

• Manufacturer Part Number: le57d111
• Description: Dual Subscriber Line Interface Circuit
• Manufacturer: Zarlink Semiconductor

CONNECTION DIAGRAMS
Note:
1.
2.
3.
Pin 1 is marked for orientation.
NC = No Connect
The exposed heat sink pad on the bottom of the eTQFP package is connected to the battery supply (VBAT pin). Do not connect to GND.
AGND/DGND
AGND/
DGND
DET
IREF
VCC
CAS
C2
C1
C1
C2
1
1
2
2
2
DET
IREF
VCC
CAS
C2
C1
C1
C2
NC
NC
1
1
2
2
2
10
11
12
13
6
7
8
5
9
1
2
3
4
5
6
7
8
9
10
11
4
14 15 16 17 18 19 20
44 43 42 41 40 39 38 37 36 35 34
12 13 14 15 16 17 18 19 20 21 22
3
Zarlink Semiconductor Inc.
32-Pin PLCC
2
44-Pin eTQFP
1
Exposed Pad
4
32 31 30
28
27
26
24
29
25
23
22
21
33
32
31
30
29
28
27
26
25
24
23
B
BGND
A
DB
DAC
VBAT
DB
A
B
1
1
2
2
(RING)
(TIP)
(TIP)
(RING)
1
2
BGND
B
A
DB
DAC
NC
VBAT
DB
A
B
BGND
1
1
2
2
1
(TIP)
(TIP)
(RING)
(RING)
1
2
1
2