MAX3946ETG+T Maxim Integrated Products, MAX3946ETG+T Datasheet - Page 5

• Manufacturer Part Number: MAX3946ETG+T
• Description: IC LASER DVR SFP 11.3GBPS 24TQFN
• Manufacturer: Maxim Integrated Products
• Type: Laser Diode Driverr

Specifications of MAX3946ETG+T

• Data Rate: 11.3Gbps
• Number Of Channels: 1
• Voltage - Supply: 2.85 V ~ 3.63 V
• Current - Supply: 68mA
• Current - Modulation: 80mA
• Current - Bias: 80mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 12-WFQFN, Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note 1: Guaranteed by design and characterization (T
Note 2: BIAS is connected to 2.0V. TOUT+/TOUT- are connected through pullup inductors to a separate supply that is equal to V
Note 3: Stability is defined as [(I_measured) - (I_reference)]/(I_reference) over the listed current range, temperature, and V
Note 4: Measured with K28.5 data pattern at 10.7Gbps and with a (2
ELECTRICAL CHARACTERISTICS (continued)
(V
Typical values are at V
noted.) (Note 1)
DISABLE Input Resistance
3-WIRE DIGITAL I/O SPECIFICATIONS (SDA, SCL, CSEL)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage Current
Output High Voltage
Output Low Voltage
3-WIRE DIGITAL INTERFACE TIMING CHARACTERISTICS (Figure 5)
SCL Clock Frequency
SCL Pulse-Width High
SCL Pulse-Width Low
SDA Setup Time
SDA Hold Time
SCL Rise to SDA Propagation
Time
CSEL Pulse-Width Low
CSEL Leading Time Before the
First SCL Edge
CSEL Trailing Time After the Last
SCL Edge
SDA, SCL Load
CC
= +2.85V to +3.63V, T
V
pattern at 11.3Gbps.
CCREF
PARAMETER
1.0625Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
Q5%. V
_______________________________________________________________________________________
CC
CCREF
= +3.3V, I
A
= -40°C to +85°C, and Figure 1. Guaranteed by design and characterization from T
= 3.0V to 3.45V. Reference current measured at V
SYMBOL
BIAS
R
V
I
IL
t
V
f
V
CSW
PULL
V
HYST
t
t
V
SCL
t
t
C
CH
DS
DH
t
CL
t
t
, I
OH
OL
D
IH
L
T
IL
B
= 60mA, I
IH
I
CC
= 4.92 + 0.0383 x I
Internal pullup resistor
V
down is 75kI typical
External pullup is (4.7kI to 10kI) to V
External pullup is (4.7kI to 10kI) to V
Total bus capacitance on one line with
4.7kI pullup to V
IN
MOD
= 0V or V
A
= -40NC to +95NC).
= 40mA, 25I differential output load, and T
CC
CONDITIONS
, internal pullup or pull-
CC
BIAS
7
- 1 PRBS + 72 zeros + 2
+ 0.3692 x I
CCREF
MOD
CC
CC
, T
A
= +25NC.
V
7
CC
MIN
500
4.7
2.0
0.5
0.5
- 1 PRBS (inverted) + 72 ones)
- 0.5
A
= +25°C, unless otherwise
TYP
400
100
100
500
500
7.5
80
5
A
= -40°C to +95°C.
MAX
1000
V
150
0.8
0.4
10
20
CC
CC
UNITS
kHz
mV
kI
FA
Fs
Fs
ns
ns
ns
ns
ns
ns
pF
V
V
V
V
=
CCT
5
.