LE57D121BTC Zarlink, LE57D121BTC Datasheet - Page 17

• 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

VBREF
RING
RING
DAC
BAT
TIP
TIP
DB
DB
1
1
1
2
2
2
22 nF
22 nF
D
C
C
VBH
BD2
BD1
22 nF
22 nF
C
C
AD2
AD1
1600
1600
R
R
TMG1
0.33 µF
TMG2
C
100 nF
100 nF
CAS
C
C
HP1
HP2
HP
BD
DB
AD
HP
BD
TMG
VBAT
TMG
VBREF
CAS
DAC
DB
AD
Figure 7. Le5712 Test Circuit
2
2
2
1
1
1
1
2
1
2
BGND
Zarlink Semiconductor Inc.
Le5712x
1
BGND
CH1
17
CH2
2
+ 5 V
VCC
V
CC
/DGND
AGND
CDC
CDC
RSN
RSN
DET
DET
VTX
VTX
IREF
FLT
FLT
C1
C2
C3
C2
C3
C1
RD
1
1
1
1
1
1
1
2
2
2
2
2
2
2
1
2
R
R
330 nF
330 nF
T1
T2
C
C
DC2
DC1
R
100 k
100 k
16.5 k
D
16.5 k
150 k
150 k
R
R
RX1
RX2
R
VTX
VTX
REF
012403
C1
C2
C3
DET
VRX
VRX
FLT
VM
VM
DET
C2
C1
FLT
C3
1
1
1
1
2
2
2
2
1
2
1
1
1
2
2
2