MAX3946ETG+T Maxim Integrated Products, MAX3946ETG+T Datasheet - Page 3

• 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

ELECTRICAL CHARACTERISTICS (continued)
(V
Typical values are at V
noted.) (Note 1)
Bias Current DAC Stability
Instantaneous Compliance
Voltage at BIAS
BMON Current Gain
Compliance Voltage at BMON
BMON Current Gain Stability
LASER MODULATOR
TOUT+ and TOUT-
Instantaneous Output
Compliance Voltage
Maximum Modulation Current
Minimum Modulation Current
Differential Output Resistance
Modulation-Off Maximum Current
Modulation Current DAC Stability
Modulation Current Edge Speed
(Note 1)
Deterministic Jitter (Notes 1, 4)
Random Jitter
Differential Output Return Loss
CC
= +2.85V to +3.63V, T
PARAMETER
1.0625Gbps to 11.3Gbps, SFP+ Laser Driver
with Laser Impedance Mismatch Tolerance
_______________________________________________________________________________________
CC
= +3.3V, I
A
= -40°C to +85°C, and Figure 1. Guaranteed by design and characterization from T
SYMBOL
I
I
2 x R
BIAS
I
MOD-OFF
MODMAX
G
MODMIN
SDD22
V
t
BMON
R,
BIAS
DJ
RJ
OUT
t
= 60mA, I
F
5mA P I
(Notes 1, 3)
G
ground defines voltage
5mA P I
Current into external 25I differential termi-
nation, output common-mode
voltage = V
Current into external 50I differential termi-
nation, output common-mode
voltage = V
Current between TOUT+ and TOUT- when
DISABLE = high or TX_EN = low or
SET_IMOD[8:0] = H0x00
10mA P I
20% to 80%, 20mA P I
20% to 80%, 10mA P I
TXDE_MD[1:0] = 3d
10mA P I
differential load = 50I
10mA P I
differential load = 25I
10mA P I
differential load = 5I
10mA P I
differential load = 50I (K28.5 pattern)
10mA P I
load = 25I (Note 1)
Part powered on, f P 5GHz
Part powered on, f P 10GHz
BMON
MOD
BIAS
BIAS
= I
= 40mA, 25I differential output load, and T
MOD
MOD
MOD
MOD
MOD
MOD
BMON
CC
CC
P 80mA, V
P 80mA (Notes 1, 3)
P 80mA (Notes 1, 3)
P 60mA, 11.3Gbps, output
P 80mA, 11.3Gbps, output
P 80mA, 11.3Gbps, output
P 60mA, 10.7Gbps, output
P 80mA, output differential
CONDITIONS
/I
BIAS
MOD
MOD
, external resistor to
BIAS
P 80mA
P 80mA,
= V
CC
- 1.5V
V
MIN
0.9
1.0
CC
80
60
9
0
-
A
= +25°C, unless otherwise
TYP
0.19
1.5
1.2
1.5
10
50
22
22
1
5
5
7
5
8
6
A
V
= -40°C to +95°C.
MAX
10.5
0.55
100
CC
2.1
1.8
1.0
11
10
30
30
12
12
3
4
3
+
UNITS
mA
mA
ps
ps
mA/A
FA
dB
ps
%
%
%
I
RMS
V
V
V
P-P
P-P
P-P
3