U2532B Datasheet, PDF (5/10 Pages) TEMIC Semiconductors – IR Transmitter and Receiver

U2532B
Electrical Characteristics
Test conditions: V_CC = 5 V, T_amb = 25°C, unless otherwise specified
Parameters
Receiver
Supported data rates
Supply voltage range
Supply current
Sensitivity control voltage
“Low”
Sensitivity control voltage
“High”
Input threshold
current
Input threshold
current
Input threshold current
for ASK modulation
Input threshold current
for ASK modulation
Max. signal pulse input
current
DC input current
Output voltage RxD
Output voltage RxD
Rise time
Fall time
Output pulse width
Output pulse width
Output delay time
Jitter
AGC dynamic range
AGC single step
Max. reset time
Test Conditions / Pins
Low sense mode
Pin 5
Pin 5
Pin 6
High sense mode Pin 6
SC > 0.5 V
V_CC = 3 V
Pin 9
SC > 2.4 V, V_CC = 3 V
Pin 9
SC < 0.5 V or open
V_CC = 3 V
Pin 9
SC < 2.4 V or open
V_CC = 5 V
Pin 9
Sensitivity independent
Pin 9
VIN > 0 V
Pin 9
Non active
Pin 3
Active; IL = 4 mA Pin 3
W C = 15 pF,R = 2.2 k Pin 3
W C = 15 pF,R = 2.2 k Pin 3
m ^{2.4 kbit/s,}
78 s pulse width Pin 3
m ^{115.2 kbit/s,}
1.6 s pulse width Pin 3
115.2 kbit/s,
m 1.6 s pulse width
– Output level 0.5 V_CC
– Leading edges of signals
– Related to optical input
Pin 3
m ^{115.2 kbit/s,}
1.6 s pulse width
– Period of 10 bits, all
“ones”
– Leading edges of signals
Pin 3
Pin 3
Pin 3
15 steps, covering full dy-
namic range of AGC
Pin 3
Symbol Min. Typ.
V_CC
IS
VSC
2.4
3
5
1.3
0.2
VSC
2.0
V_CC
ilNmin
60
ilNmin
30
ilNmin
200
(ASK)
ilNmin
120
(ASK)
ilNmax
IIN
VOH
VOL
t_r
t_f
t_p
t_p
t_d
V_CC–0.5
0.2
0.5
0.3
7
2.5
1
t_j
30
2
t_reset
270
Max.
115.2
5.5
2.5
0.5
90
45
400
250
6
200
0.5
15
4
2
2
400
Unit
kbit/s
V
mA
V
V
nA
nA
nA
nA
mA
mA
V
V
ms
ms
ms
ms
ms
ms
dB
dB
ms
TELEFUNKEN Semiconductors
5 (10)
Rev. A1, 27-Sep-96
Preliminary Information