LTC4305IGN Linear Technology, LTC4305IGN Datasheet - Page 3

• Manufacturer Part Number: LTC4305IGN
• Description: IC BUFFER BUS 2WR ADDRESS 16SSOP
• Manufacturer: Linear Technology

Specifications of LTC4305IGN

• Applications: Multiplexer with Amplifier
• Interface: SMBus (2-Wire/I²C)
• Voltage - Supply: 2.2 V ~ 5.5 V
• Package / Case: 16-SSOP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

range, otherwise specifications are at T
SYMBOL
Power Supply/Start-Up
V
V
t
t
I
V
I
ALERT
V
I
I
V
V
Rise Time Accelerators
V
V
I
Stuck Low Timeout Circuitry
V
V
T
T
T
Upstream-Downstream Buffers
V
V
V
V
V
V
V
I
ELECTRICAL CHARACTERISTICS
PHL EN
PLH EN
IN EN
OFF READY
OFF, ALERT
IN, ALERT1–2
BOOST
LEAK
TIMER1
TIMER2
TIMER3
TH EN
EN HYST
LOW READY
ALERT(OL)
ALERT1–2(IN)
ALERT1–2(HY)
SDA,SCL slew
RISE,DC
TIMER(L)
TIMER(HYST)
OS,BUF
OS,UP-BUF
OS,DOWN-BUF
OL
OL
IL,MAX
THSDA,SCL
PARAMETER
ENABLE Falling Threshold Voltage
ENABLE Threshold Hysteresis Voltage
ENABLE Delay, On-Off
ENABLE Delay, Off-On
ENABLE Input Leakage Current
READY Pin Logic Low Output Voltage
READY Off State Input Leakage Current
ALERT Output Low Voltage
ALERT Off State Input Leakage Current
ALERT1–ALERT2 Input Current
ALERT1–ALERT2 Pin Input Falling
Threshold Voltages
ALERT1–ALERT2 Pin Input Threshold
Hysteresis Voltages
Initial Slew Requirement to Activate
Rise Time Accelerator Currents
Rise Time Accelerator DC Threshold Voltage
Rise Time Accelerator Pull-Up Current
Stuck Low Falling Threshold Voltage
Stuck Low Threshold Hysteresis Voltage
Timeout Time #1
Timeout Time #2
Timeout Time #3
Buffer Offset Voltage
Upstream Buffer Offset Voltage
V
Downstream Buffer Offset Voltage
V
Output Low Voltage, V
Output Low Voltage, V
Buffer Input Logic Low Voltage
Downstream SDA, SCL Logic Threshold Voltage
Input Leakage Current
IN,BUFFER
IN,BUFFER
= 0V
= 0V
IN,BUFFER
IN,BUFFER
A
= 25°C. V
= 0V
= 0.2V
CC
= 3.3V unless otherwise noted.
The
CONDITIONS
V
I
V
I
V
V
SDAIN, SCLIN, SDA1–2,
SCL1–2 Pins
SDAIN, SCLIN, SDA1–2,
SCL1–2 Pins
SDAIN, SCLIN, SDA1–2,
V
TIMSET1,0 = 01
TIMSET1,0 = 10
TIMSET1,0 = 11
R
V
V
V
V
SDA, SCL Pins; I
V
SDA, SCL Pins; I
V
V
SDA, SCL Pins;
V
Buffers Inactive
SCL1–2 Pins (Note 3)
PULL-UP
ALERT
●
ENABLE
READY
ALERT
ALERT1–2
CC
BUS
CC
CC
CC
CC
CC
CC
CC
CC
denotes specifications which apply over the full specified temperature
= 2.7V, 5.5V
= 2.7V, R
= 5.5V, R
= 2.7V, R
= 5.5V, R
= 3V, 5.5V
= 2.7V, 5.5V
= 2.7V, 5.5V
= 0 to 5.5V;
= 10k, V
= 3mA, V
= 0V, 5.5V
= 0V, 5.5V, V
= 0V, 5.5V, V
= 3mA, V
= 0V, 5.5V
CC
BUS
BUS
BUS
BUS
= 2.7V, 5.5V (Note 4)
CC
SINK
SINK
= 2.7k (Note 4)
= 2.7k (Note 4)
= 2.7k (Note 4)
= 2.7k (Note 4)
CC
= 2.7V
= 2.7V
CC
= 4mA,
= 500µA,
CC
= 5.5V
= 5.5V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
12.5
6.25
MIN
0.8
0.8
0.7
0.4
0.4
0.8
25
25
40
70
60
80
4
0.18
0.52
0.52
TYP
110
110
140
1.0
0.1
0.2
1.0
0.4
0.8
5.5
7.5
1.0
60
60
20
80
80
30
15
60
80
0
0
0
LTC4305
MAX
0.64
17.5
8.75
0.64
100
120
150
160
200
400
320
1.2
0.4
0.4
1.2
0.8
1.2
± 1
± 1
± 1
± 1
35
±5
1
UNITS
3
V/µs
4305f
mV
mV
mA
mV
mV
mV
mV
mV
mV
mV
mV
ms
ms
ms
µA
µA
µA
µA
µA
ns
ns
V
V
V
V
V
V
V
V