Datasheet LTC4310-1, LTC4310-2 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | Hot-Swappable I2C Isolators |
| Pages / Page | 20 / 6 — pin FuncTions. EN (Pin 1):. TXN (Pin 6):. TXP (Pin 7):. SDA (Pin 2):. CC … |
| File Format / Size | PDF / 241 Kb |
| Document Language | English |
pin FuncTions. EN (Pin 1):. TXN (Pin 6):. TXP (Pin 7):. SDA (Pin 2):. CC (Pin 8):. RXP (Pin 9):. SCL (Pin 3):. RXN (Pin 10):
Model Line for this Datasheet
- LTC4310CDD-1#PBF LTC4310CDD-1#TRPBF LTC4310CDD-2#PBF LTC4310CDD-2#TRPBF LTC4310CMS-1#PBF LTC4310CMS-1#TRPBF LTC4310CMS-2#PBF LTC4310CMS-2#TRPBF LTC4310IDD-1#PBF LTC4310IDD-1#TRPBF LTC4310IDD-2#PBF LTC4310IDD-2#TRPBF LTC4310IMS-1#PBF LTC4310IMS-1#TRPBF LTC4310IMS-2#PBF LTC4310IMS-2#TRPBF
Text Version of Document
LTC4310-1/LTC4310-2
pin FuncTions EN (Pin 1):
Device Enable Input. Pulling EN up to VCC
TXN (Pin 6):
Negative Transmit Output. Tie TXN to the sets the device in normal operation mode, allowing bus negative side of the transformer primary winding or to the information to be sent and received across the barrier. RXN pin of another LTC4310 through a ceramic capacitor. Grounding EN disables communication across the bar- See the Applications Information section for guidance in rier and debiases all internal circuitry, setting the device selecting the capacitor value. Do not leave open. in a very low current shutdown mode. Connect to VCC if
TXP (Pin 7):
Positive Transmit Output. Tie TXP to the unused. positive side of the transformer primary winding or to the
SDA (Pin 2):
Serial Bus Data Input/Output. This is the RXP pin of another LTC4310 through a ceramic capacitor. bidirectional data line for the two-wire bus. An external See the Applications Information section for guidance in pull-up resistor or current source from SDA to a supply selecting the capacitor value. Do not leave open. voltage greater than or equal to the VCC voltage is required.
V
See the Applications Information section for guidance
CC (Pin 8):
Device Power Supply Input. Connect a by- pass capacitor of at least 0.01µF directly between V on selecting the resistor or current source value. Do not CC and GND. leave open.
RXP (Pin 9):
Positive Receive Input. Tie RXP to the posi-
SCL (Pin 3):
Serial Bus Clock Input/Output. This is the tive side of the transformer secondary winding or to the bidirectional clock line for the two-wire bus. An external TXP pin of another LTC4310 through a ceramic capacitor. pull-up resistor or current source from SCL to a supply See the Applications Information section for guidance in voltage greater than or equal to the VCC voltage is required. selecting the capacitor value. Do not leave open. See the Applications Information section for guidance on selecting the resistor or current source value. Do not
RXN (Pin 10):
Negative Receive Input. Tie RXN to the nega- leave open. tive side of the transformer secondary winding or to the TXN pin of another LTC4310 through a ceramic capacitor.
READY (Pin 4):
Device Receiving Indicator Output. READY See the Applications Information section for guidance in is an open-drain digital output that pulls low when the selecting the capacitor value. Do not leave open. LTC4310 is driving its SDA and SCL pins with the logic state information it is receiving on its RXP and RXN pins.
Exposed Pad (Pin 11) DFN Package Only:
The exposed Connect this pin to VCC with a 10k resistor. This pin can pad may be left open or connected to device ground. be left open or tied to GND if unused.
GND (Pin 5):
Device Ground. 431012fa 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
pin FuncTions EN (Pin 1):
Device Enable Input. Pulling EN up to VCC
TXN (Pin 6):
Negative Transmit Output. Tie TXN to the sets the device in normal operation mode, allowing bus negative side of the transformer primary winding or to the information to be sent and received across the barrier. RXN pin of another LTC4310 through a ceramic capacitor. Grounding EN disables communication across the bar- See the Applications Information section for guidance in rier and debiases all internal circuitry, setting the device selecting the capacitor value. Do not leave open. in a very low current shutdown mode. Connect to VCC if
TXP (Pin 7):
Positive Transmit Output. Tie TXP to the unused. positive side of the transformer primary winding or to the
SDA (Pin 2):
Serial Bus Data Input/Output. This is the RXP pin of another LTC4310 through a ceramic capacitor. bidirectional data line for the two-wire bus. An external See the Applications Information section for guidance in pull-up resistor or current source from SDA to a supply selecting the capacitor value. Do not leave open. voltage greater than or equal to the VCC voltage is required.
V
See the Applications Information section for guidance
CC (Pin 8):
Device Power Supply Input. Connect a by- pass capacitor of at least 0.01µF directly between V on selecting the resistor or current source value. Do not CC and GND. leave open.
RXP (Pin 9):
Positive Receive Input. Tie RXP to the posi-
SCL (Pin 3):
Serial Bus Clock Input/Output. This is the tive side of the transformer secondary winding or to the bidirectional clock line for the two-wire bus. An external TXP pin of another LTC4310 through a ceramic capacitor. pull-up resistor or current source from SCL to a supply See the Applications Information section for guidance in voltage greater than or equal to the VCC voltage is required. selecting the capacitor value. Do not leave open. See the Applications Information section for guidance on selecting the resistor or current source value. Do not
RXN (Pin 10):
Negative Receive Input. Tie RXN to the nega- leave open. tive side of the transformer secondary winding or to the TXN pin of another LTC4310 through a ceramic capacitor.
READY (Pin 4):
Device Receiving Indicator Output. READY See the Applications Information section for guidance in is an open-drain digital output that pulls low when the selecting the capacitor value. Do not leave open. LTC4310 is driving its SDA and SCL pins with the logic state information it is receiving on its RXP and RXN pins.
Exposed Pad (Pin 11) DFN Package Only:
The exposed Connect this pin to VCC with a 10k resistor. This pin can pad may be left open or connected to device ground. be left open or tied to GND if unused.
GND (Pin 5):
Device Ground. 431012fa 6 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
