Rainbow Electronics ATA6625 - Manual (Page 14)

14
4957E–AUTO–10/07
ATA6623/ATA6625
8. Electrical Characteristics
5V < V
S
< 27V, –40°C < T
j
< 150°C; unless otherwise specified all values refer to GND pins.
No. Parameters Test Conditions Pin Symbol Min. Typ. Max. Unit Type*
1 VS Pin
1.1
Nominal DC voltage
range
VS V
S
5 13.5 27 V A
1.2
Supply current in Sleep
mode
Sleep mode
V
LIN
> V
S
– 0.5V
V
S
< 14V (T
j
= 25°C)
VS I
VSsleep
3 10 14 µA A
Sleep mode
V
LIN
> V
S
– 0.5V
V
S
< 14V (T
j
= 125°C)
I
VSsleep
5 11 16 µA A
1.3
Supply current in Silent
mode
Bus recessive
V
S
< 14V (T
j
= 25°C)
Without load at VCC
I
VSsi
47 57 67 µA A
Bus recessive
V
S
< 14V (T
j
= 125°C)
Without load at VCC
I
VSsi
56 66 76 µA A
1.4
Supply current in Normal
mode
Bus recessive
V
S
< 14V
Without load at VCC
VS I
VSrec
0.3 0.8 mA A
1.5
Supply current in Normal
mode
Bus dominant
V
S
< 14V
V
CC
load current 50 mA
VS I
VSdom
50 53 mA A
1.6
V
S
undervoltage
threshold
VS V
Sth
4.0 4.5 5 V A
1.7
VS undervoltage
threshold hysteresis
VS V
Sth_hys
0.2 V A
2 RXD Output Pin
2.1 Low level input current
Normal mode
V
LIN
= 0V
V
RXD
= 0.4V
RXD I
RXD
1.3 2.5 8 mA A
2.2 Low level output voltage I
RXD
= 1 mA RXD V
RXDL
0.4 V A
2.3 Internal resistor to V
CC
RXD R
RXD
3 5 7 k
Ω
A
3 TXD Input Pin
3.1 Low level voltage input TXD V
TXDL
–0.3 +0.8 V A
3.2 High level voltage input TXD V
TXDH
2
V
CC
+
0.3V
V A
3.3 Pull-up resistor V
TXD
= 0V TXD R
TXD
125 250 400 k
Ω
A
3.4
High level leakage
current
V
TXD
= 5V TXD I
TXD
–3 +3 µA A
4 EN Input Pin
4.1 Low level voltage input EN V
ENL
–0.3 +0.8 V A
4.2 High level voltage input EN V
ENH
2
V
CC
+
0.3V
V A
4.3 Pull-down resistor V
EN
= 5V EN R
EN
50 125 200 k
Ω
A
4.4 Low level input current V
EN
= 0V EN I
EN
–3 +3 µA A
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter