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MAX9273_datasheet.pdf
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详细说明：max9273 datasheet
serialer 可配合deserialer max9286使用MAX9273
22-Bit mvsl serializer with Coax or
STP Cable drive
TABLE OF CONTENTS (continued)
Hamming Code
33
HS/VS Encoding and/or Tracking
33
Serial output
34
Coax-Mode Splitter
34
Configuration Inputs(CONF1, CONFO)
34
Sleep Mode
35
Power-Down mod
35
Configuration Link
37
Link Startup Procedure
37
Applications Information
37
PRBS Test
37
Error generator
37
Dual uC Contro
37
Jitter-Filtering PLL
37
PCLKIN Spread Tracking
37
Changing the clock frequency
37
Fast Detection of Loss-of-Synchronization
37
Providing a Frame Sync(Camera Applications)
Software Programming of the Device Addresses
33
Three-Level Contiguration Inputs
Configuration Blocking
Compatibility with Other GMSL Devices
38
GPIOS
Internal Input pulldowns
39
Choosing 12C/UART Pullup Resistors
AC-Coupling
39
Selection of AC-Coupling Capacitors
39
Power-Supply Circuits and Bypassing
.39
Power-Supply Table
...39
Cables and Connectors
Board layout
ESD Protection
40
Typical Application Circuit
Ordering Information
48
Chip Information
Package Information
Revision History
49
MAX9273
22-Bit mvsl serializer with Coax or
STP Cable drive
LIST OF FIGUREs
Figure 1. Serial-Output Parameters
14
Figure 2 Output Waveforms at OUT, OUT-
14
Figure 3. Single-Ended Output Template
14
Figure 4. Worst-Case Pattern Input
Figure 5. Parallel Clock Input Requirements
Figure 6. 12C Timing Parameters
igure 7 Differential Output Template
Figure 8 Input Setup and Hold Times
16
Figure 9. GPl-to-GPO Delay
16
Figure 10. Serializer Delay
17
Figure 11. Link Startup Time
17
Figure 12. Power-Up Delay
Figure 13 Single-Input Waveform( Latch on Rising Edge of PCLKIN Selected)
..22
Figure 14. Sing e-Input Function Block
22
Figure 15. Double-Input Function Block
22
Figure 16. Double-Input Waveform(Latch on Rising Edge of PCLKIN Selected
23
Figure 17. Serial-Data Format
24
Figure 18. GMSL UART Protocol for Base Mode
Figure 19. GMSL UART Data Format for Base Mode
25
Figure 20. SYNC Byte(0x79
25
Figure 21. ACK Byte(0XC3
Figure 22 Format Conversion Between GMSL UART and 12C with Register Address(12CMETHOD=O
26
Figure 23 Format Conversion Between GMSL UART and 12C with Register Address(12CMETHOD = 1)
27
Figure 24. START and STOP Conditions
28
Figure 25. Bit Transfer
28
Figure 26. Acknowledge
23
Figure 27. Slave Address
29
Figure 28 Format for 12C Write
29
Figure 29 Format for Write to Multiple Registers
Figure 30 Format for I2C Read
30
Figure 31. 2: 1 Coax-Mode Splitter Connection Diagram
34
Figure 32. Coax-Mode Connection Diagram
34
Figure 33. State Diagram, All Applications
Figure 34. Human Body Model ESD Test Circuit
40
Figure 35. IEC 61000-4-2 Contact Discharge ESD Test Circuit
40
Figure 36. ISo 10605 Contact Discharge ESD Test Circuit
40
MAX9273
22-Bit mvsl serializer with Coax or
STP Cable drive
LIST OF TABLES
Table 1. Power-Up Default Register Map(see Table 15)
19
Table 2 Input Map
21
Table 3. Data-Rate Selection Table
24
Table 4. 12C Bit-Rate Range
Table 5. TP/Coax Drive Current(CMLLVL = 1000)
Table 6. Serial Output Spread
.32
Table 7. Spread Limitations
32
Table 8 Modulation Coefficients and Maximum SDlV Settings
33
Table 9 Configuration Input Map
34
Table 10. Startup Procedure for Video-Display Applications
35
Table 11. Startup Procedure for Image-Sensing Applications
36
Table 12. MAX9273 Feature Compatibility
38
Table 13. Typical Power-Supply Currents(Using Worst-Case Input Pattern
39
Table 14. Suggested Connectors and Cables for GMSL
39
Table 15 Register Table(see Table 1)
..41
MAX9273
22-Bit mvsl serializer with Coax or
STP Cable drive
ABSOLUTE MAXIMUM RATINGS*
AVDD tO EP
0.5∨to+1.9
Continuous Power Dissipation (TA=+70'C)
DVDD tO ep
0.5∨to+1.9V
TQFN (derate 37mW/C above +70C)
lOVDD to EP
0.5V to +3. 9v Junction Temperature
150°C
0UT+,OUT-toEP…
……0.5Vto+1.9 Operating Temperature Range
-40cCto+105°0
All other pins to EP
-0.5V tO(VIOVDD+0.5v) Storage Temperature Range
5oCto+150°
OUT+, OUT-short circuit to ground or supply
Continuous Lead Temperature(soldering, 10s)
+300°C
Soldering Temperature(reflow)
EP connected to PCB ground
Stresses beyond those /isted under "Absolute Maximum Fiatings may cause permanent damage to the device. These are stress ratings only, and functional opera
tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
I'laxirmurnl /aling condition s /or extended periods Inay allel device reliabilily
PACKAGE THERMAL CHARACTERISTICS(Note 1)
TQFN
Junction-to-Ambient Thermal Resistance(OJA)..27C/ Junction-to-Case Thermal Resistance (OJc)
1°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD5 1-7, using a four
layerboardFordetailedinformationonpackagethermalconsiderationsrefertowww.maxim-ic.com/thermal-tutorial
DC ELECTRICAL CHARACTERISTICS
AVDD= VDVDD 17V to 1.9V, ViOVDD=1.7V to 3.6V, RL- 100Q2 +1%(differential), EP connected to PCB ground (GND).
A=-40oC to +105C, unless otherwise noted. Typical values are at VAVDD VDVDD= VIOVDD=1.8V, TA =+25C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
SINGLE-ENDED INPUTS (DIN, HS, VS, MS, PWDN, DRS, AUTOS, PCLKIN)
0.65X
High-Level Input Voltage
IH1
VIOVDD
0.35X
LoW-Level Input voltage
IL 1
VIOVDD
Input Current
IN1
VIN -oV to VIOVDD
10
-20
A
THREE-LEVEL LOGIC INPUTS (CONFO, CONF1)
High-Level Input Voltage
0.7X
VJOVDD
LOW-Level Input Vollage
0.3X
L
∨OVDD
Midlevel Input Current
INM
(Note 2
10
+10
A
Input Current
150
+150
UA
SINGLE-ENDED OUTPUT(GPO)
High-Level Output Voltage
OH1 OUT =-2mA
lOVDD
-0.2
LoW-Level Output Voltage
VIOVDD =3.0V to 3.6V
64
Output Short-Circuit Current
A
VJOVDD=1.7V to 1.9V
3
12
21
MAX9273
22-Bit msl serializer with coax or
STP Cable drive
DC ELECTRICAL CHARACTERISTICS (continued)
(VAVDD= VDVDD=1.7v to 1.9V, ViOVDD=1.7V to 3.6V, RL= 10002 +1%(differential), EP connected to PCB ground (GND),
TA =-400C to+105C, unless otherwise noted. Typical values are at VAVDD=VDVDD=VJOVDD=1.8V, TA=+25C.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
OPEN-DRAIN INPUTS/OUTPUTS (RX/SDA, TX/SCL, GPIO)
High-Level Input Voltage
0.7X
V1H2
VIOVDD
LoW-Level Input voltage
0.3X
∨ lOVED
RX/SDA TX/SCL
-110
1
Input Current
N2(Note 3)
HA
GPIO
80
VJOVDD =1.7V to 1.9V
0.4
LoW-Level Output Volta
lOUT= 3mA
VJOVDD=3.0V to 3.6V
0.3
DIFFERENTIAL SERIAL OUTPUTS (OUT+, OUT-)
Preemphasis off(Figure 1)
300
400
50C
Differential Output Voltage
OD
3. 3dB preemphasis setting(Figure 2)
610
3.3dB deemphasis setting(Figure 2)
425
Change in Vop betweer
△VD
mV
Complementary Output States
Output Offset Voltage
Preemphasis off
1.1
1.41.56
(VOUT++VouT-)2= Vos
Change in Vos Between
Complementary Output States
Output Short-Circuit Current
OUT+ or VOuT-=OV
62
oS
mA
or v
1.9V
Magnitude of Differential Output
mA
Short-Circuit Current
○SD
oD=OV
Output Termination Resistance
(Internal
From VouT+, vout- to Va
AVDD
54
SINGLE-ENDED SERIAL OUTPUTS(OUT+, OUT-)
Preemphasis off, high drive(Figure 3)
500
625
3.3dB preemphasis setting, high drive
435
765
Single-Ended Output Voltage
VOD (Figure 2)
3.3dB deemphasis setting, high drive
535
(Figure 2)
VOUT+ or VOUT= OV
Output Short-Circuit Current
mA
VOUT+ or VouT-=1.9V
Output Termination Resistance
From VouT+ or Vout. to VAVDD
54
(Internal
MAX9273
22-Bit msl serializer with coax or
STP Cable Drive
DC ELECTRICAL CHARACTERISTICS (continued)
(VAVDD= VDVDD=1.7v to 1.9V, ViOVDD=1.7V to 3.6V, RL= 10002 +1%(differential), EP connected to PCB ground (GND),
TA =-400C to+105C, unless otherwise noted. Typical values are at VAV DD=VDVDD= VIOVDD=1.8V, TA=+25C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
REVERSE CONTROL-CHANNEL RECEIVER OUTPUTS (OUT+, OUT-)
High Switching Threshold
CH
27
Low Switching Threshold
POWER SUPPLY
Single input
PCLKIN= 25MHZ
Worst-Case Supply Current
BWS=0
fPCLKIN= 50MHZ
mA
(Figure 4)
Double input, fpCLKIN=50MHz
40
BWS= 0
fPCLKIN= 100MHZ
Sleep Mode Supply Current
CCS
Single wake-up receiver enabled
100
HA
Power-Down Supply Current
CCZ
PWDN= EP
5
ESD PROTECTION
Human Body Model, RD= 1.5kQ2
±8
Cs= 100pF
EC 61000-4-2, Contact discharge
±10
OUT+, CUT-(Note 4)
RD=330c2,
C
150pF
Air discharge
15
SO10605
Contact discharge
±10
RD = 2ko
Cs= 330pF
Air discharge
±30
Human body Model, Ro =1.5kQ
All Other Pins( Note 5)
Cs- 100pF
AC ELECTRICAL CHARACTERISTICS
A=-40C to +105C, unless otherwise noted. Typical values are at VDVDD=VAVDDkl), EP connected to PCb ground(GND),
(VDVDD= VAVDD =1.7V to 1.9V, VIOVDD=1.7V to 3.6V, RL 10022 +1%(differential
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
CLOCK INPUT(PCLKIN)
DRS 1
6.25
125
BWS=0. DRS=1
8.33
16.66
BWS= 1. DRS=0
125
375
Clock Frequency
fpCLKIN
MHZ
BWS=0. DRS=0
16.66
50
BWS=1, DRS =0, 15-bit double input
75
BWS=0, DRS=0, 11-bit double input
3333
100
Clock Duty Cycle
DC tHIGH/tr or tLOW/tT( Figure 5, Note 6)
Clock Transition Time
R, tE
(Figure 5, Note 6)
ns
Clock Jitter
1.5Gbps bit rate, 300kHz sinusoidal jitter
800
MAX9273
22-Bit msl serializer with coax or
STP Cable drive
AC ELECTRICAL CHARACTERISTICS (continued)
(VDVDD= VAVDD=1.7V to 1.9V, VIOVDD =1.7V to 3.6V, RL =10022+1%(differential), EP connected to PCB ground (GND),
TA=-40 C to +105 C, unless otherwise noted. Typical values are at VDVDD= VAVDD= VIOVDD=1.8V, TA=+25C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
12C/UART and GPIO Port Timing
1?C/UART Bit Rate
9.6
1000 kops
Output Rise Time
309%to70%,CL=10pFto100pF,
tR
1kQ2 pullup to IOVDD
20
120
ns
Output Fall Time
t
70%1o30%,CL=10pFto1000F,
1kQ2 pullup to IOVDD
Input Setup Time
ts
l2C only(Figure 6. Note 6)
100
ns
Input Hold Tirne
HOLD 12C only (Figure 6. Note 6)
「S
SWITCHING CHARACTERISTICS ( Note 6)
Differential Output Rise/Fall
tR, tE
20% to 80%, VOD2 400mV RL=10032,
serial-bit rate =1.5Gbps
ps
Total Serial Output Jitter
1.5Gbps PRBS signal, measured at
(Differential Output)
tTSOJ1 VOD-OV differential, preemphasis
0.25
disabled(Figure 7)
Deterministic Serial Output
1.5Gbps PRBS signal, measured at
Jitter(Differential Output)
LDSOJ2 VOD=OV differential, preemphasis
disabled( Figure 7)
Total Serial Output Jitter
1.5Gbps PRBs signal, measured at Vo/2
0.25
U
(Single-Ended Output)
tTSOJ1
preemphasis disabled(Figure 3)
Deterministic Serial Output
1.5Gbps PRBS signal, measured at Vo/2
DsOJ2 preemphasis disabled(Figure 3)1.5Gbps
0.15
Jitter(Single-Ended Output)
PRBS signal
Parallel Data Input Setup Time
ts
(Figure 8
ns
Parallel Data Input Hold Time
hold( Figure 8)
1
ns
GPl-IO-GPO Delay
Deserializer gPl to serializer GPo
gPIO
350
(Figure 9)
s
Serializer Delay(Note 7)
Spread spectrum enabled
isp
(Figure 10) spread spectrum d sabled
Bits
3040
Link Start Time
tLOCK( Figure 11)
ms
Power-Uo Time
(Figure 12
ms
Note 2: To provide a midlevel, leave the input open, or, if driven, put driver in high impedance High-impedance leakage current
must be less than±10uA
Note 3: IIN min due to voltage drop across the internal pullup resistor
Note 4: Specified pin to ground
Note 5: Specified pin to all supply/ground
Note 6: Guaranteed by design and not production tested
Note 7: Measured in serial link bit times. Bit time= 1/30 x fpCL KIN) for BWS=0. Bit time 1/(40 x fpCL KIN)for BWS= 1
MAX9273
22-Bit mvsl serializer with Coax or
STP Cable drive
Typical Operating Characteristics
VAVDD = VDVDD= VIOVDD =1.8V, DBL= lOW, TA=+25 C, unless otherwise noted.
SUPPLY CURRENT VS. PCLKIM
SUPPLY CURRENT VS, PCLKIN
UTPUT POWER SPECTRUM VS, PCLKIN
FREQUENCY (BWS=0)
FREQUENCY (BWS=1)
FREQUENCY(VARIOUS SPREAD)
RBS ON
fPCLKIN-20MHa
65 COAX MODE+PREEMPHASIS
65 COAX NODE
OXOB TC OXCF
PREEMPHASIS
OXOB TO OXOF
E
-30 SPREAD
SPREAD
50
己
-50
PREEMPHASIS
PREEMPHASI
70
0×01T00×04
0×01T00x04
SPREAD
PREEMPHASIS=0X00
PREEMPHASIS =0X00
2 SPHEAU
5101520253035404550
510152025303540
18.519019.520020.521.021.5
PCLKIN FREQUENCY(MHZ)
PCLKIN FREQUENCY IMHZ
PCLKIN FREQUENCY (MHz)
SERIAL LINK SWITCHING PATTERN
SERIAL LINK SWITCHING PATTERN
OUTPUT POWER SPECTRUM VS, PCLKIN
WITH 6dB PREEMPHASIS (PARALLEL BI
WITH 6dB PREEMPHASIS(PARALLEL BIT
FREQUENCY(VARIOUS SPREAD
RATE= 50MHz, 10m STP CABLE
RATE= 50MHz 20m COAX CABLE
MAX4273 to
MAX9273 tranE
PCLKIN=50MHZ
0P SPREAD
0.5% SPFEAD
兽5
SPREAD
4%》 SPREAD
2% SPREAD
47484950515253
50mV/div
1.5Gbps
50mV/div
200ps/div
1.5Gbps
PCLKIN FREQUENCY(MHz)
MAXIMUM PCLKIN FREQUENCY
MAXIMUM PCLKIN FREQUENCY
MAXIMUM PCLKIN FREQUENCY
VS STP CABLE LENGTH (BER S 10-10
VS COAX CABLE LENGTH (BER 10-10
VS. ADDITIONAL DIFFERENTIAL CL (BER 10-10
OFTIMUM PE/EO
10m STP CABIF OPTIMUM PE/EQ
SETTINGS
SETTINGS
6dB PE EQ OFF
6dB PE EQ OFF
6dB PE EQ OFF
8
NO PE. 10.7dB EO
30
NO PF FO OFF
NO PE EQ OFF
NO PE, 10.7dB EQ
至
NO PE EQ CFF
BER CAN BE AS LOW AS 10-12
BER CAN BE AS LOW AS 10-12
FOR CABLE LENGTHS LESS THAN 10m
BER CAN BF AS I OW AS 10-12 FOR CL 4p F
FOR CABLE LENGTHS LESS THAN 10m
FOR OPTIMUM PE/EQ SETTINGS
0
0
101520
STP CAB_ELENGTH (m)
COAX CABLE LENGTH (m)
ADDITICNAL DIFFERENTIAL LOAD CAPACITANCE (pF)
10
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