TCA9802 Datasheet, PDF (5/36 Pages) Texas Instruments – Level-Translating I2C Bus Buffer/Repeater

www.ti.com
7.5 Electrical Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
OUTPUT CHARACTERISTICS
V_OL
I_EXT-I ⁽²⁾
I_EXT-O ⁽²⁾
I_CS
Low-level output voltage
SDAA, SCLA
SDAB, SCLB
Allowed input leakage current of I_CS
Allowed output leakage current of I_CS
Current source value
Current source tolerance
I_OL = 6 mA, V_ILB = 0 V
V_IA = 0 V
SDAB, SCLB
SDAB, SCLB
INPUT CHARACTERISTICS
R_EN
Enable pin pull-up
SDAA, SCLA
V_IH
High-level input voltage
SDAB, SCLB⁽³⁾
EN
SDAA, SCLA
V_IL
Low-level input voltage
SDAB, SCLB^{(4) (3)}
EN
I_ILC
Low-level input current contention
R_ILC
Low-level allowed pull-down resistance
C_BUS
Bus capacitance limit
DC CHARACTERISTICS
SDAB, SCLB⁽⁴⁾
SDAB, SCLB⁽³⁾
SDAB, SCLB⁽⁵⁾
UVLO
I_CCA
I_CCB
Under-voltage lock out
Quiescent supply current for V_CCA
Quiescent supply current for V_CCB
V_CCA
V_CCB
SDAA = SCLA =
V_CCA or
GND, SDAB =
SCLB = open,
EN = V_CCA
Both channels
high, SDAA =
SCLA = pulled
up to
V_CCA, SDAB =
SCLB = open,
EN = V_CCA
Both channels
low, SDAA =
SCLA = GND.
SDAB = SCLB =
open, EN =
V_CCA
V_CCA rising and falling; V_CCB =
1.65 or 3.6 V
V_CCB rising; V_CCA = 0.8 or 3.6 V
V_CCB falling; V_CCA = 0.8 or 3.6 V
V_CCA = 0.8 V
V_CCA = 1.8 V
V_CCA = 2.5 V
V_CCA = 3.6 V
V_CCB = 1.8 V
V_CCB = 2.5 V
V_CCB = 3.6 V
V_CCB = 1.8 V
V_CCB = 2.5 V
V_CCB = 3.6 V
TCA9802
SCPS266 – MARCH 2017
MIN TYP⁽¹⁾ MAX UNIT
0.04 0.13
V
0.22 0.26
0
200
µA
0
200
µA
2
mA
–25%
25%
150 250 450
kΩ
0.7 ×
V_CCA
0.7 ×
V_CCB
0.7 ×
V_CCA
0
0
0
800
V_CCA
V_CCB
V
V_CCA
0.3 ×
V_CCA
0.3 ×
V_CCB
V
0.3 ×
V_CCA
µA
150
Ω
0
400
pF
0.3 0.55 0.8
1.3 1.51 1.6
V
1.2 1.4 1.6
0.1
7
0.1
8
µA
0.2
9
0.2
12
33
60
36
65
µA
41
75
4.3 5.2
4.4 5.2
mA
4.5 5.3
(1) All typical values are at nominal supply voltage (1.8 V) and T_A = 25 °C unless otherwise specified.
(2) SDAB, SCLB may not sink current from external sources. It is required that no source of external current be used on these pins for
proper device operation due to the internal current source.
(3) Parameter guaranteed by design. Not tested in production.
(4) V_IL specification is for the first low-level seen by the SDAB and SCLB pins. I_ILC must also be satisfied in order to be interpreted as a low.
(5) SDAB, SCLB have a maximum supported capacitive load for device operation. If this load capacitance maximum is violated, the device
does not function properly. SDAA, SCLA have no maximum capacitance limit.
Copyright © 2017, Texas Instruments Incorporated
Submit Documentation Feedback
5
Product Folder Links: TCA9802