PS2705-1_01 Datasheet, PDF (1/6 Pages) NEC – HIGH ISOLATION VOLTAGE AC INPUT RESPONSE TYPE SOP MULTI PHOTOCOUPLER

HIGH ISOLATION VOLTAGE
AC INPUT RESPONSE TYPE
SOP MULTI PHOTOCOUPLER
PS2705-1
FEATURES
• HIGH ISOLATION VOLTAGE
BV:3.75 k Vr.m.s. MIN
• SOP (SMALL OUT-LINE PACKAGE)
• ISOLATED CHANNELS PER EACH PACKAGE
• AC INPUT RESPONSE
• HIGH SPEED SWITCHING
tr = 3 µs, tf = 5 µs TYP
• LOW COLLECTOR TO EMITTER DARK CURRENT
ICEO: 5 nA TYP @ TA = 25 °C, VCE = 40 V
• HIGH CURRENT TRANSFER RATIO
CTR = 100% TYP
• TAPE AND REEL AVAILABLE
DESCRIPTION
PS2705-1 is an optically coupled isolator containing a GaAs
light emitting diode and an NPN silicon phototransistor. The
device is mounted in a plastic SOP (Small Out-line Package)
for high density applications and has a shield effect to cut off
ambient light.
APPLICATIONS
Interface circuit for various instrumentations and control
equipment.
• AC LINE/DIGITAL LOGIC
• DIGITAL LOGIC INTERFACE
• TWISTED PAIR LINE RECEIVER
• TELEPHONE/TELEGRAPH LINE RECEIVER
• SEQUENCE CONTROLLERS
• SYSTEMS APPLICATIONS, MEASURING
INSTRUMENTS
ELECTRICAL CHARACTERISTICS (TA = 25°C)
SYMBOLS
PART NUMBER
PARAMETERS
VF
Forward Voltage, IF = ± 5 mA
Ct
Terminal Capacitance, V = 0, f = 1.0 MHz
UNITS
V
pF
PS2705-1
MIN
TYP
MAX
1.1
1.4
60
ICEO
Collector to Emitter Dark Current, VCE = 40 V, IF = 0
nA
100
CTR
CTR1/CTR2
VCE (sat)
RI-O
CI-O
tr
tf
Notes:
1. CTR Rank
M: 50 - 150%
L: 100 - 300%
N: 50 - 300%
Current Transfer Ratio¹, IF = ± 5 mA, VCE = 5 V
%
CTR Ratio³, IF = ± 5 mA, VCE = 5 V
Collector Saturation Voltage, IF = ±10 mA, IC = 2 mA
V
Isolation Resistance, Vin-out = 1.0 k VDC
Ω
Isolation Capacitance, V = 0, f = 1.0 MHZ
pF
Rise Time², VCC = 5 V, IC = 2 mA, RL = 100 Ω
µs
Fall Time², VCC = 5 V, IC = 2 mA, RL = 100 Ω
µs
2. Test Circuit for Switching Time
43
IF
PULSE INPUT
1
4
VCC
( ) PW = 100 µs
Duty Cycle = 1/10
12
PS2705-1
2
50 Ω
3
VOUT
RL = 100 Ω
50
100
300
0.3
1.0
3.0
0.3
10¹¹
0.4
3
5
3. CTR1 = IC1/IF1, CTR2 = IC2/IF2
IC1
IF1
VCE
IC2
IF2
California Eastern Laboratories