4
Recommended Operating Conditions
Parameter Symbol Minimum Typical Maximum Units Notes
Temperature T
A
-20 25 85 °C
Supply Voltage V
CC
3.0 3.3 / 5.0 5.5 V Ripple < 100 mVp-p
LED Current I
LED
13 15 18 mA See Note 1
Load Capacitance C
L
100 pF
2.7 kW Pull-Up
Count Frequency
2
F 0.3 60 kHz See Note 3
Radial Misalignment E
R
±0.38 (±0.015) mm (in.)
Tangential Misalignment E
T
±0.38 (±0.015) mm (in.)
Angular Misalignment E
A
0 ±1.5 deg.
Codewheel/strip tilt C
T
0 1 deg.
Codewheel/strip Gap G 1.0 (0.04) 2.0 (0.08) 2.5 (0.10) mm (in.)
Notes:
1. LED Current Limiting Resistor:
For Vcc = 5.0 V, recommended series resistor = 220 W (±10 %)
For Vcc = 3.3 V, recommended series resistor = 110 W (± 10 %)
2. Count frequency = velocity (rpm) x N / 60.
3. Data collected based on Avago production characterization.
Encoding Characteristics
Encoding characteristics over the recommended operating condition and mounting conditions.
Parameter Symbol Typical Maximum Unit
Pulse Width Error (Ch.A, Ch.B)
∆P
16 75 °e
Phase Error
∆φ
10 60 °e
Note:
1. Typical values represent the encoder performance at typical mounting alignment, whereas the maximum values represent the encoder
performance across the range of recommended mounting tolerance.
Electrical Characteristics
Characteristics over recommended operating conditions at 25° C.
Parameter Symbol Minimum Typical Maximum Unit Notes
Detector Supply Current I
CC
4.8 6.0 mA Vcc = 5 V
3.9 4.1 Vcc = 3.3 V
High Level Output Voltage V
OH
2.4 V I
OH
= -0.2 mA
Low Level Output Voltage V
OL
0.4 V I
OL
= 8.0 mA
Rise Time t
r
500 ns C
L
= 25 pF
R
L
= 2.7 kW
Fall Time t
f
100 ns
