PEF22827EL-V11 Lantiq, PEF22827EL-V11 Datasheet - Page 80

• Manufacturer Part Number: PEF22827EL-V11
• Manufacturer: Lantiq

Specifications of PEF22827EL-V11

• Lead Free Status / RoHS Status: Supplier Unconfirmed

6
This section shows the block diagram of the internal line driver and describes Power
Down mode.
6.1
The functional block diagram of line driver, located in the PEF 22827, is shown in
Figure
amplifiers. Main advantages of this topology are a high slew rate and the possibility to
vary gain and bandwidth independently.
Figure 11
6.2
Use the PD pin to switch the line driver to a Power Down mode.
Table 26
Mode
Active Mode (ACT)
Power Down Mode (PDM)
1)
Preliminary Data Sheet
If the PD pin is left floating, its input resistance pulls the pin down and the Active Mode is selected.
11. The drivers AMP1 and AMP2 are implemented as current-feedback
+IN1
+IN2
Functional Description – Line Driver Block
Functional Block Diagram – Line Driver
Power Down Mode
-IN1
-IN2
Functional Block Diagram
Operating Mode Selection
1)
OCP
+
+
-
-
AMP
AMP
Functional Description – Line Driver Block
80
+V
-V
V
V
V
s
s
PD
PD
PD
BIAS
(referred to -V
< 0.7 V
> 1.6 V
S
OUT 1
OUT 2
)
Rev. 1.1, 2005-01-30
Vdsl_block
VDSL6100i
PEF 22827