TCS3404 Datasheet, PDF (4/40 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – DIGITAL COLOR SENSORS

TCS3404, TCS3414
DIGITAL COLOR SENSORS
TAOS137A − APRIL 2011
Electrical Characteristics, T_A = 255C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Power on (ADC inactive)
I_DD Supply current @ V_DD = 3.6 V
Power on (ADC active)
Power down
V_OL INT, SDA output low voltage
I _LEAK Input leakage current (SDA, SCL, SYNC)
3 mA sink current
V_IH = V_DD, V_IL = GND
MIN TYP MAX UNIT
7.7
10 mA
8.7
11 mA
700 1000 μA
0
0.4 V
−5
5 μA
AC Electrical Characteristics, V_DD = 3.3 V, T_A = 255C (unless otherwise noted)
PARAMETER^†
TEST CONDITIONS
MIN TYP
Clock frequency 400 kHz (I²C)
0
f_(SCL)
Clock frequency 100 kHz (SMBus)
10
t_(BUF)
Bus free time between start and stop condition
1.3
t_(HDSTA)
Hold time after (repeated) start condition. After
this period, the first clock is generated.
0.6
t_(SUSTA)
Repeated start condition setup time
t_(SUSTO)
Stop condition setup time
t_(HDDAT)
Data hold time
t_(SUDAT)
Data setup time
t_(LOW)
SCL clock low period
t_(HIGH)
SCL clock high period
t_(TIMEOUT)
Detect clock/data low timeout (SMBus only)
t_F
Clock/data fall time
t_R
Clock/data rise time
C_i
Input pin capacitance
t_{LOW (SYNC)}
SYNC low period (see Figure 1)
t_{HIGH (SYNC)} SYNC high period (see Figure 1)
t_{F (SYNC)}
SYNC fall time (see Figure 1)
t_{R (SYNC)}
SYNC rise time (see Figure 1)
† _{Specified by design and characterization; not production tested.}
0.6
0.6
0
100
1.3
0.6
25
50
50
50
50
MAX
400
100
0.9
35
300
300
10
UNIT
kHz
kHz
μs
μs
μs
μs
μs
ns
μs
μs
ms
ns
ns
pF
μs
μs
ns
ns
t_{LOW (SYNC)}
t_{R (SYNC)}
t_{F (SYNC)}
t_{HIGH (SYNC)}
Figure 1. Timing Diagram for Sync
Copyright E 2011, TAOS Inc.
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