4
Characteristics (T
A
= -40°C to +85°C; Vcc = 4.75V to 5.25V) unless otherwise speci ed
Parameter Symbol Min Typ* Max Unit Notes Figure
Maximum Photosensitivity Wavelength
smax
700 nm
Photosensitivity Spectral Range (S=80% of Smax)
s
600 780 nm
Mean POF Overdrive Limit:
Maximum Input ( = 650 nm)
P
IN(max)
252
-6
1000
0
μW
dBm(mean) 5, 7, 8 4
Peak POF Sensitivity Limit:
Minimum Input for Logic “0” ( = 650 nm)
P
IN(L)
20
-17
6.3
-22
μW
dBm
4, 5
Peak POF O State Limit:
Maximum Input for Logic “1” ( = 650 nm)
P
IN(H)
0.1
-40
μW
dBm
4, 5
Propagation Delay (Input: Pattern “1010”, 5MBd)
(Optical Input to electrical Output)
t
PHL
t
PLH
120
270
ns
ns
1, 6
1, 6
2,3,4
2,3,4
Output Voltage at Logic “1” V
OH
Vcc-0.6 Vcc-0.3 V 3
Output Voltage at Logic “0” V
OL
0.2 0.6 V 3
Switching times (Input: Pattern “1010”, 5MBd)
Output Rise time (10% - 90%)
Output Fall time (90% - 10%)
tr
tf
14
4
30
15
ns
ns
2, 3, 6
2, 3, 6
Current Consumption
(Input: Pattern “1010”, 5MBd)
Icc 8 14 20 mA 3, 6
Current Consumption (Logic“1”, Light OFF) IccH 1.5 3.5 6.5 mA 3
Current Consumption (Logic“0”, Light ON) IccL 13 17.5 23 mA 3
* Typical value = mean value at TA=25°C and Vcc=5. 0V
Notes:
1. PWSFH_output = PWopt_input + (tPLH – tPHL); PW = pulse width
2. Switching times increase with temperature
3. Measured with recommended Rpullup = 330Ω (see Figure 1)
4. Sensitivity increase with temperature
5. Value
dBm
=10*log(Value
measured
/ 1mW)
6. Limits valid for optical input power from -20dBm(mean) to -9dBm(mean)
7. dBm(peak) = dBm(mean) + 3dB
8. PWD ≤ 170ns; Input: Pattern “1010”, 5MBd
PW*SFH_output = PW*opt_input + (tPLH – tPHL)
PWD*= (tPLH – tPHL)
*PW=pulse width, *PWD=pulse width distortion
t
PHL
t
PLH
V
OL
V
OH
PW
opt_input
PW
SFH_output
OPTICAL
INPUT
OUTPUT
SFH551/1-1
Light o
Light on
Figure 2. Typical corresponding optical input to electrical output signal
