MAX3945ETE+ Maxim Integrated Products, MAX3945ETE+ Datasheet - Page 5

• Manufacturer Part Number: MAX3945ETE+
• Description: IC AMP LIMITING 3.3V LP 16TQFN
• Manufacturer: Maxim Integrated Products
• Type: Limiting Amplifierr

Specifications of MAX3945ETE+

• Applications: Optical Networks
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN Exposed Pad, 16-DQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
are set to default values, unless otherwise noted. Typical values are at V
OUTPUT LEVEL VOLTAGE DAC (SET_CML)
Full-Scale Voltage
Resolution
Integral Nonlinearity
LOS THRESHOLD VOLTAGE DAC (SET_LOS)
Full-Scale Voltage
Resolution
Integral Nonlinearity
CONTROL I/O SPECIFICATIONS
LOS Output High Voltage
LOS Output Low Voltage
3-WIRE DIGITAL I/O SPECIFICATIONS (SDA, CSEL, SCL)
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage Current
Output High Voltage
Output Low Voltage
3-WIRE DIGITAL INTERFACE TIMING CHARACTERISTICS (see 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
CC
= 2.85V to 3.63V, CML receiver output is AC-coupled to differential 100I load, C
PARAMETER
_______________________________________________________________________________________
SYMBOL
SFP+ Dual-Path Limiting Amplifier
V
t
I
V
V
f
V
V
V
V
CSW
INL
INL
V
HYST
IL,IH
t
t
V
SCL
t
t
CH
DS
DH
t
CL
OH
OH
OL
OL
FS
FS
D
IH
IL
100I differential resistive load,
RXDE_EN = 0
100I differential resistive load,
RATE_SEL = 1, RXDE_EN = 1, RXDE1 = 1,
RXDE0 = 1 (maximum deemphasis)
100I differential resistive load,
RXDE_EN = 0
100I differential resistive load,
RATE_SEL = 1, RXDE_EN = 1, RXDE1 = 1,
RXDE0 = 1 (maximum deemphasis)
SET_CML[7:0] > 60d
LOS1_EN = 1, LOS2_EN = 0
LOS1_EN = 0, LOS2_EN = 1
LOS1_EN = 1, LOS2_EN = 0
LOS1_EN = 0, LOS2_EN = 1
SET_LOS[5:0] > 3d
R
R
V
pulldown (75kI typ)
External pullup of 4.7kI to V
External pullup of 4.7kI to V
IN
LOS
LOS
= 0V or V
= 4.7kI to 10kI to V
= 4.7kI to 10kI to V
1.0625Gbps to 11.3Gbps,
CC
CONDITIONS
, internal pullup or
CC
= 3.3V, T
CC
CC
CC
CC
A
CAZ
= +25NC, unless otherwise noted.)
= 0.1FF, T
V
V
MIN
500
500
500
0.5
2.0
0.5
CC
CC
0
0
0
-
-
A
= -40NC to +85NC. Registers
0.082
1192
Q0.9
Q0.7
TYP
1.52
1.56
828
400
100
100
4.5
3.3
96
98
5
MAX
1000
V
V
V
0.4
0.8
0.4
85
CC
CC
CC
UNITS
mV
mV
mV
mV
LSB
LSB
kHz
mV
mV
FA
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V
P-P
P-P
P-P
P-P
5