ACS405CS Semtech Corporation, ACS405CS Datasheet - Page 24

• Manufacturer Part Number: ACS405CS
• Description: Acapella Optical Modem ic
• Manufacturer: Semtech Corporation

Matching Characteristics (for specified operating conditions)
current
(see Acapella if this is
and GND
capacitance ( vr = 0)
Crystal tolerance using
fundamenal parallel resonance
crystals
Minimum amplifier input current
LED:
LASER:
Maximum amplifier input
restrictive)
Rtset placed between TSET
Maximum Monitor PIN current
LASER Current (LASER = 1)
TxMN = 0.5mA
Rtset < 40K
LASER Current limit (LASER
= 1)
LED Current (LASER = 0)
Rtset = 1K
Rtset = 40K
LED as receiver (ping-pong)
reverse bias
LED as receiver (ping-pong)
LED as receiver (ping-pong)
leakage ( vr = 1.4)
PIN Diode receiver
reverse bias
PIN Diode leakage current
Vrb = 4.0V
DVDD Input Voltage
DVDD input current
IREF resistor
Parameter
DVDDV
RIFREF
DVDDI
Symbol
Irmax
Cleak
Ilaser
Ilaser
Pleak
Rtset
Cled
Irec
Ipin
Iled
Vrb
Ct
vr
ACS405CS
Figure 8. Shows the relationship between data channels
Min
49.5
TPOS1/TNEG1
RPOS1/RNEG1
TPOS2/TNEG2
RPOS2/RNEG2
TPOS3/TNEG3
RPOS3/RNEG3
TPOS4/RNEG4
RPOS4/RNEG4
400
100
-50
1K
2.0
2.0
45
75
3.0
-
-
-
-
-
-
-
TmCLK
RmCLK
RCLK1
RCLK2
TCLK1
TCLK2
TmD1
RmD1
TmD2
RmD2
Typ
100
2.5
3.3
50
51
-
-
-
-
-
-
-
-
-
-
-
Max
1500
1000
40K
51.5
+50
125
150
100
500
3.0
1.4
3.6
55
50
4
-
-
Single Fiber Link
Units
ppm
K
mA
mA
mA
mA
nA
nA
nA
pF
V
V
V
A
A
24
ACS405CS
RPOS1/RNEG1
TPOS1/TNEG1
RPOS2/RNEG2
TPOS3/TNEG3
RPOS3/RNEG3
TPOS4/RNEG4
RPOS4/RNEG4
TPOS4/TNEG4
RCLK1
TCLK1
RCLK2
TCLK2
RmCLK
TmCLK
RmD1
RmD2
TmD1
TmD2
ACS405CS Issue 4.3 June 1999.