LTC2857IMS8-1#PBF Linear Technology, LTC2857IMS8-1#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC2857IMS8-1#PBF
• Description: IC TXRX RS485/RS422 8-MSOP
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC2857IMS8-1#PBF

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.5 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
LTC2857-1/LTC2857-2
LTC2858-1/LTC2858-2
temperature range, otherwise specifi cations are at T
SYMBOL
Driver
|V
Δ|V
V
Δ|V
I
I
Receiver
I
R
V
ΔV
V
V
I
Logic
V
V
I
Supplies
I
I
4
OZD
OSD
IN
OZR
INL
CCS
CCR
OC
TH
OH
OL
IH
IL
IN
OD
TH
OD
OC
|
|
|
PARAMETER
Differential Driver Output Voltage
Change in Magnitude of Driver Differential
Output Voltage for Complementary Output
States
Driver Common Mode Output Voltage
Change in Magnitude of Driver Common Mode
Output Voltage for Complementary Output
States
Driver Three-State (High Impedance) Output
Current on Y and Z
Maximum Driver Short-Circuit Current
Receiver Input Current (A, B)
Receiver Input Resistance
Receiver Differential Input Threshold Voltage
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Receiver Three-State (High Impedance) Output
Current on RO
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
Supply Current in Shutdown Mode
Supply Current in Receive Mode
A
= 25°C. V
CONDITIONS
R = ∞, V
R = 27Ω (RS485), V
R = 50Ω (RS422), V
R = 27Ω or R = 50Ω (Figure 1)
R = 27Ω or R = 50Ω (Figure 1)
R = 27Ω or R = 50Ω (Figure 1)
DE = 0V, (Y or Z) = –7V, 12V, LTC2858-1,
LTC2858-2
–7V ≤ (Y or Z) ≤ 12V (Figure 2)
DE = TE = 0V, V
(Figure 3) (C, I-Grade)
DE = TE = 0V, V
(Figure 3) (C, I-Grade)
DE = TE = 0V, V
(Figure 3) (H-Grade)
DE = TE = 0V, V
(Figure 3) (H-Grade)
RE = V
V
(C, I-Grade)
RE = V
V
(H-Grade)
–7V ≤ B ≤ 12V
B = 0V
I(RO) = –4mA, A-B = 200mV, V
I(RO) = 4mA, A-B = –200mV, V
RE = 5V, 0V ≤ RO ≤ V
LTC2856-2, LTC2858-1, LTC2858-2
DE, DI, RE, V
DE, DI, RE, V
DE, DI, RE
DE = 0V, RE = V
LTC2856, LTC2858 (C and I-Grade)
LTC2856, LTC2858 (H-Grade)
No Load, DE = 0V, RE = 0V, LTC2856-1,
LTC2856-2, LTC2858-1, LTC2858-2
The
IN
IN
= –7V, –3V, 3V, 7V, 12V (Figure 3)
= –7V, –3V, 3V, 7V, 12V (Figure 3)
●
CC
CC
CC
denotes the specifi cations which apply over the full operating
CC
= 5V unless otherwise noted. (Note 2)
or 0V, DE = TE = 0V,
or 0V, DE = TE = 0V,
= 4.5V (Figure 1)
CC
CC
CC
CC
CC
CC
CC
= 5.5V
= 4.5V
,
= 0V or 5V, V
= 0V or 5V, V
= 0V or 5V, V
= 0V or 5V, V
CC
CC
CC
= 4.5V (Figure 1)
= 4.5V (Figure 1)
, LTC2856-1,
CC
CC
IN
IN
IN
IN
= 12V
= –7V,
= 12V
= –7V,
= 4.5V
= 4.5V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
–100
–145
MIN
1.5
2.4
96
48
2
2
±120
TYP
125
125
540
25
0
0
0
MAX
±250
±0.2
±10
125
250
±10
900
V
V
V
0.2
0.2
0.4
0.8
±1
15
3
5
CC
CC
CC
285678fe
UNITS
mA
mV
kΩ
kΩ
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
V
V
V
V
V
V
V
V
V
V
V