ISL29038
Electrical Specifications
V
= 3.0V, T = +25°C, R
EXT
= 499kΩ 1% tolerance. (Continued)
CONDITION
DD
DESCRIPTION
Full Scale Prox ADC Code
Washout Bit Activation Level
A
PARAMETER
MIN
TYP
40k
MAX
255
UNIT
Counts
Lux
DATA
PROX_F
ProxWASH
Norwood Solar Emulator
ProxOffsetMax Maximum PROX Offset, Referenced to
Proximity ADC Range
512
LSB
ProxOffsetInc Proximity Offset Adjust Increment Referenced
to Proximity ADC Range
27
LSB
LED DRIVER (IRDR PIN)
t
Rise Time for IRDR Sink Current
Fall time for IRDR Sink Current
IRDR Sink Current
R
R
= 15Ω at IRDR pin, 20% to 80%
= 15Ω at IRDR pin, 80% to 20%
25
15
ns
ns
r
f
LOAD
LOAD
t
I
I
I
I
PROX_DR = 0; V
PROX_DR = 1; V
PROX_DR = 2; V
PROX_DR = 3; V
= 0.5V
= 0.5V
= 0.5V
= 0.5V
= 3.63V
31.25
62.5
125
250
mA
mA
mA
mA
µA
V
IRDR_0
IRDR_1
IRDR_2
IRDR_3
IRDR
IRDR
IRDR
IRDR
IRDR
IRDR Sink Current
IRDR Sink Current
IRDR Sink Current
I
IRDR Leakage Current
IRDR Pin Voltage Compliance
PROX_EN = 0; V
0.001
1
IRDR_LEAK
V
Register bit PROX_DR = 0
0.50
4.3
IRDR
t
I
On Time Per PROX Reading
IRDR
90
µs
PULSE
MISCELLANEOUS
Voltage of REXT Pin
V
ALS_EN = 1 or PROX_EN = 1
0.52
V
REF
2
I C Electrical Specifications
For SCL and SDA unless otherwise noted, V = 3V, T = +25°C, R = 499kΩ 1% tolerance (Note 10).
EXT
DD
A
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
1.7
TYP
MAX UNITS
2
V
Supply Voltage Range for I2C Interface
SCL Clock Frequency
3.63
400
0.55
V
kHz
V
I C
f
SCL
V
SCL and SDA Input Low Voltage
SCL and SDA Input High Voltage
Hysteresis of Schmitt Trigger Input
IL
V
1.25
V
IH
V
0.05V
V
hys
DD
V
Low-level Output Voltage (open-drain) at 4mA Sink
Current
0.4
V
OL
I
Input Leakage for each SDA, SCL Pin
-10
10
50
µA
ns
i
t
t
Pulse Width of Spikes that must be Suppressed by
the Input Filter
SP
SCL Falling Edge to SDA Output Data Valid
Capacitance for each SDA and SCL Pin
Hold Time START Condition
900
10
ns
pF
ns
AA
C
i
t
After this period, the first clock
pulse is generated
600
HD:STA
t
LOW Period of the SCL Clock
Measured at the 30% of VDD
crossing
1300
ns
LOW
t
HIGH period of the SCL Clock
Set-up Time for a START Condition
Data Hold Time
600
600
30
ns
ns
ns
ns
HIGH
t
SU:STA
t
HD:DAT
t
Data Set-up Time
100
SU:DAT
FN7851.0
October 12, 2012
4
XICOR [ XICOR INC. ]
