MAX9169 [MAXIM]
4-Port LVDS and LVTTL-to-LVDS Repeaters; 4端口LVDS和LVTTL至LVDS中继器
| 型号： | MAX9169 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | 4-Port LVDS and LVTTL-to-LVDS Repeaters |
| 文件： | 总19页 (文件大小：291K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-2616; Rev 0; 10/02
4-Port LVDS and LVTTL-to-LVDS Repeaters
General Description
Features
The MAX9169/MAX9170 low-jitter, low-voltage differen-
tial signaling LVDS/LVTTL-to-LVDS repeaters are ideal
for applications that require high-speed data or clock
distribution while minimizing power, space, and noise.
The devices accept a single LVDS (MAX9169) or LVTTL
(MAX9170) input and repeat the input at four LVDS out-
puts. Each differential output drives 100Ω, allowing
point-to-point distribution of signals on transmission
lines with 100Ω termination at the receiver input. The
MAX9169 and MAX9170 are pin compatible with the
SN65LVDS104 and SN65LVDS105, respectively, and
offer improved pulse-skew performance.
o 150ps (max) Pulse Skew
o 200ps (max) Added Deterministic Jitter at
P-P
630Mbps (223 - 1) PRBS Pattern
o 8ps (max) Added Random Jitter
RMS
o 120ps (max) Channel-to-Channel Skew
o 630Mbps Data Rate
o Conforms to ANSI EIA/TIA-644 LVDS Standard
o 30mA (max) (MAX9169), 25mA (max) (MAX9170)
Supply Current, a 15% Improvement vs.
Competition
Ultra-low 150ps (max) pulse skew and 200ps
(max)
P-P
o LVDS (MAX9169) or +5V Tolerant LVTTL/LVCMOS
added deterministic jitter ensure reliable communica-
tion in high-speed links that are highly sensitive to tim-
ing error, especially those incorporating clock-and-data
recovery or serializers and deserializers. The high-
speed switching performance guarantees 630Mbps
data rate and less than 120ps channel-to-channel skew
over the 3.0V to 3.6V operating supply range.
(MAX9170) Input Versions
o Fail-Safe Circuit Sets Output High for Undriven
Differential Input
o Output Rated for 10pF Load
o Individual Output Enables
o Single 3.3V Supply
Supply current is 30mA (max) for the MAX9169, and
25mA (max) for the MAX9170. LVDS inputs and outputs
conform to the ANSI EIA/TIA-644 standard. A fail-safe
feature on the MAX9169 sets the output high when the
input is undriven and open, terminated, or shorted. The
MAX9169/MAX9170 are offered in 16-pin TSSOP and
SO packages, and operate over an extended -40°C to
+85°C temperature range.
o Improved Second Source of the SN65LVDS104
(MAX9169)/SN65LVDS105 (MAX9170)
o 16-Pin SO and TSSOP Packages
Ordering Information
Refer to the MAX9130 data sheet for an LVDS line
receiver in an SC70 package.
PIN-
PACKAGE
PART
TEMP RANGE
INPUT
MAX9169ESE
MAX9169EUE
MAX9170ESE
MAX9170EUE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
16 SO
LVDS
LVDS
LVTTL
LVTTL
16 TSSOP
16 SO
Applications
16 TSSOP
Point-to-Point Baseband Data Transmission
Cellular Phone Base Stations
Add/Drop Muxes
Typical Application Circuit
Digital Cross-Connects
LVDS
Network Switches/Routers
Backplane Interconnect
Clock Distribution
MAX9169
1
100Ω
Rx
LVDS
100Ω
BACKPLANE
OR CABLE
MAX9130
Rx
4
100Ω
MAX9180
MAX9130
Pin Configurations appear at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
4-Port LVDS and LVTTL-to-LVDS Repeaters
ABSOLUTE MAXIMUM RATINGS
CC
Iꢅnpts
Iꢁ+, Iꢁ- to GꢁD....................................................-0.5V to +4V
Iꢁ, EꢁN to GꢁD ....................................................-0.5V to +6V
Optnpts
OUTN+, OUTN- to GꢁD.........................................-0.5V to +4V
V
to GꢁD..............................................................-0.5V to +4V
Stoeꢆif Tfmnfeꢆtpef Rꢆꢅif.............................-65°C to +150°C
Mꢆxhmpm Jpꢅcthoꢅ Tfmnfeꢆtpef .....................................+150°C
ESD Peotfcthoꢅ
Hpmꢆꢅ Boꢃy Moꢃfa (MAX9169)
(Iꢁ+, Iꢁ-, OUTN+, OUTN-) ..............................................≥16kV
Hpmꢆꢅ Boꢃy Moꢃfa (MAX9170)
Coꢅthꢅpops Powfe Dhsshnꢆthoꢅ (T = +70°C)
16-Phꢅ SO (ꢃfeꢆtf 8.7mW/°C ꢆboꢇf +70°C)................696mW
16-Phꢅ TSSOP (ꢃfeꢆtf 9.4mW/°C ꢆboꢇf +70°C) .........755mW
(OUTN+, OUTN-) .............................................................≥10kV
Lfꢆꢃ Tfmnfeꢆtpef (soaꢃfehꢅi, 10s) .................................+300°C
A
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation 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 maximum rating conditions for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
(V
= 3.0V to 3.6V, R = 100Ω 1ꢀ, EꢁN = ꢂhiꢂ, MAX9169 ꢃhꢄꢄfefꢅthꢆa hꢅnpt ꢇoatꢆif ꢈ V ꢈ = 0.05V to 1.2V, LVDS hꢅnpt commoꢅ-
CC
L ID
= ꢈ V /2 ꢈ to +2.4V - ꢈ V /2 ꢈ, T = -40°C to +85°C, pꢅafss otꢂfewhsf ꢅotfꢃ. Tynhcꢆa ꢇꢆapfs ꢆef ꢆt V
moꢃf ꢇoatꢆif V
= 3.3V, ꢈ V
ꢈ
CM
ID
ID
A
CC
ID
= 0.2V, V
= 1.25V, T = +25°C ꢄoe MAX9169. Tynhcꢆa ꢇꢆapfs ꢆef ꢆt V
= 3.3V, V = 0 oe V , T = +25°C ꢄoe MAX9170.)
CM
A
CC
Iꢁ
CC
A
(ꢁotfs 1 ꢆꢅꢃ 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
50
UNITS
LVDS INPUTS (IN+, IN-) (MAX9169)
Dhꢄꢄfefꢅthꢆa Iꢅnpt Hhiꢂ Tꢂefsꢂoaꢃ
Dhꢄꢄfefꢅthꢆa Iꢅnpt Low Tꢂefsꢂoaꢃ
V
5
mV
mV
TH
V
-50
-2
-5
TL
V
V
= 0V, otꢂfe hꢅnpt onfꢅ, Fhipef 1
-11.8
-3.2
-20
Iꢁ
Iꢁ
Iꢅnpt Cpeefꢅt
(Iꢁ+ oe Iꢁ-, Shꢅiaf Eꢅꢃfꢃ)
I
I
µA
µA
µA
µA
Iꢁ+, Iꢁ-
= +2.4V, otꢂfe hꢅnpt onfꢅ, Fhipef 1
-1.2
Powfe-Oꢄꢄ Iꢅnpt Cpeefꢅt
(Iꢁ+ oe Iꢁ-, Shꢅiaf Eꢅꢃfꢃ)
V
= +1.5V, V = +2.4V, otꢂfe hꢅnpt onfꢅ,
CC Iꢁ
I
I
3.2
20
IꢁO+, IꢁO-
Fhipef 1
0.05V ≤V ≤ 0.6V, Fhipef 1
-15
-20
-15
-20
103
154
+15
+20
+15
+20
190
260
ID
Iꢅnpt Cpeefꢅt
I
I
Iꢁ+, Iꢁ-
0.6V <V ≤ 1.2V, Fhipef 1
ID
0.05V ≤V ≤ 0.6V, V = 1.5V, Fhipef 1
ID
CC
Powfe-Oꢄꢄ Iꢅnpt Cpeefꢅt
I
I
IꢁO+, IꢁO-
0.6V <V ≤ 1.2V, V = 1.5V, Fhipef 1
ID
CC
R
R
V
V
= 3.6V, 0 oe onfꢅ, Fhipef 1
= 3.6V, 0 oe onfꢅ, Fhipef 1
138
210
2.2
Iꢁ1
Iꢁ2
CC
CC
Fꢆha-Sꢆꢄf Iꢅnpt Rfshstoe
Iꢅnpt Cꢆnꢆchtꢆꢅcf
kΩ
C
Iꢁ+ oe Iꢁ- to GꢁD (ꢁotf 3)
nF
Iꢁ
+5V TOLERANT LVTTL/LVCMOS INPUTS (IN, EN_)
Iꢅnpt Hhiꢂ Voatꢆif
Iꢅnpt Low Voatꢆif
V
2.0
0
5.5
0.8
20
V
V
IH
V
IL
I
V
V
= 2V to 5.5V
= 0 to 0.8V
IH
Iꢁ
Iꢁ
Iꢅnpt Cpeefꢅt
µA
nF
I
10
IL
Iꢅnpt Cꢆnꢆchtꢆꢅcf (MAX9170)
C
Iꢁ to GꢁD (ꢁotf 3)
2.2
Iꢁ
LVDS OUTPUTS (OUT_+, OUT_-)
Dhꢄꢄfefꢅthꢆa Optnpt Voatꢆif
V
Fhipefs 3, 4, 6, 7
Fhipefs 3, 4, 6, 7
250
350
1.5
450
25
mV
mV
OD
Cꢂꢆꢅif hꢅ V
Bftwffꢅ
OD
∆V
OD
Comnafmfꢅtꢆey Optnpt Stꢆtfs
Stfꢆꢃy-Stꢆtf Optnpt Oꢄꢄsft
Voatꢆif
V
Fhipefs 2, 4, 5, 7, 8, 9
1.125
1.26
1.375
V
OS
2
_______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
DC ELECTRICAL CHARACTERISTICS (continued)
(V
= 3.0V to 3.6V, R = 100Ω 1ꢀ, EꢁN = ꢂhiꢂ, MAX9169 ꢃhꢄꢄfefꢅthꢆa hꢅnpt ꢇoatꢆif ꢈ V ꢈ = 0.05V to 1.2V, LVDS hꢅnpt commoꢅ-
CC
L ID
= ꢈ V /2 ꢈ to +2.4V - ꢈ V /2 ꢈ, T = -40°C to +85°C, pꢅafss otꢂfewhsf ꢅotfꢃ. Tynhcꢆa ꢇꢆapfs ꢆef ꢆt V
moꢃf ꢇoatꢆif V
= 3.3V, ꢈ V
ꢈ
CM
ID
ID
A
CC
ID
= 0.2V, V
= 1.25V, T = +25°C ꢄoe MAX9169. Tynhcꢆa ꢇꢆapfs ꢆef ꢆt V
= 3.3V, V = 0 oe V , T = +25°C ꢄoe MAX9170.)
CM
A
CC
Iꢁ
CC
A
(ꢁotfs 1 ꢆꢅꢃ 2)
PARAMETER
SYMBOL
∆V
CONDITIONS
MIN
TYP
MAX
UNITS
Cꢂꢆꢅif hꢅ V Bftwffꢅ
OS
Comnafmfꢅtꢆey Optnpt Stꢆtfs
Fhipefs 2, 4, 5, 7, 8, 9
1.5
25
mV
OS
Pfꢆk-to-Pfꢆk Optnpt Oꢄꢄsft
Voatꢆif
V
Fhipefs 8, 9 (ꢁotf 4)
40
150
mV
V
OS(P-P)
V
Fhipefs 3, 4, 6, 7
Fhipefs 3, 4, 6, 7
1.65
OH
Optnpt Voatꢆif
V
0.9
OL
Fꢆha-Sꢆꢄf Dhꢄꢄfefꢅthꢆa Optnpt
Voatꢆif (MAX9169)
Iꢁ+, Iꢁ- onfꢅ, pꢅꢃehꢇfꢅ ꢆꢅꢃ sꢂoetfꢃ, oe
pꢅꢃehꢇfꢅ ꢆꢅꢃ nꢆeꢆaafa tfemhꢅꢆtfꢃ
V
+250
+350
0.01
0.01
5.8
+450
+0.5
+0.5
+10
10
mV
µA
µA
mA
OD+
EꢁN = aow, V
= +3.6V oe 0,
OUTN+
Hhiꢂ-Imnfꢃꢆꢅcf Optnpt Cpeefꢅt
Powfe-Oꢄꢄ Optnpt Cpeefꢅt
I
-0.5
-0.5
-10
OZ
V
= +3.6V oe 0
OUTN-
V
V
= +1.5V, V
= +3.6V oe 0,
CC
OUTN+
I
OFF
= +3.6V oe 0
OUTN-
V
V
= +50mV oe -50mV,
ID
Optnpt Sꢂoet-Checpht Cpeefꢅt
I
OS
= 0 oe V , V
= 0 oe V
CC
OUT+
CC OUT-
Mꢆiꢅhtpꢃf oꢄ Dhꢄꢄfefꢅthꢆa Optnpt
Sꢂoet-Checpht Cpeefꢅt
I
V
= +50mV oe -50mV, V = 0 (ꢁotf 5)
OD
5.8
3.6
mA
nF
OSD
ID
Optnpt Cꢆnꢆchtꢆꢅcf
C
OUTN+ oe OUTN- to GꢁD (ꢁotf 6)
O
POWER SUPPLY
MAX9169
MAX9170
MAX9169
MAX9170
MAX9169
MAX9170
22
18
30
25
DC, R = 100Ω,
Fhipefs 10, 13
L
Spnnay Cpeefꢅt
I
mA
mA
CC
43
60
315MHz (630Mbns),
R = 100Ω, Fhipefs 10, 13
L
41
55
6.8
4.3
8.0
6.4
Dhsꢆbafꢃ Spnnay Cpeefꢅt
I
EꢁN = aow
CCZ
_______________________________________________________________________________________
3
4-Port LVDS and LVTTL-to-LVDS Repeaters
AC ELECTRICAL CHARACTERISTICS
(V
= 3.0V to 3.6V, R = 100Ω 1ꢀ, C = 10nF, EꢁN = ꢂhiꢂ, MAX9169 ꢃhꢄꢄfefꢅthꢆa hꢅnpt ꢇoatꢆif ꢈ V ꢈ = 0.15V to 1.2V, LVDS hꢅnpt
CC
L
L
I
D
commoꢅ-moꢃf ꢇoatꢆif V
= ꢈ V /2 ꢈ to +2.4V - ꢈ V /2 ꢈ, T = -40°C to +85°C, pꢅafss otꢂfewhsf ꢅotfꢃ. Tynhcꢆa ꢇꢆapfs ꢆef ꢆt ꢈ V ꢈ =
ID ID A ID
CM
0.2V, V
= 1.25V, V
= 3.3V, T = +25°C ꢄoe MAX9169. Tynhcꢆa ꢇꢆapfs ꢆef ꢆt V = 0 oe V , V
, T = +25°C ꢄoe
CM
CC
A
Iꢁ
CC CC = 3.3V A
MAX9170.) (ꢁotfs 5, 7, ꢆꢅꢃ 8)
PARAMETER
Rhsf Thmf
SYMBOL
CONDITIONS
MIN
TYP
0.8
0.8
110
6
MAX
1.2
1.2
200
8
UNITS
ꢅs
t
Fhipefs 10–15
Fhipefs 10–15
(ꢁotf 9)
0.6
0.6
R
Fꢆaa Thmf
t
ꢅs
F
Aꢃꢃfꢃ Dftfemhꢅhsthc Jhttfe
Aꢃꢃfꢃ Rꢆꢅꢃom Jhttfe
t
ns
DJ
t
(ꢁotf 10)
ns
RJ
MAX9169
MAX9170
MAX9169
MAX9170
2.2
1.5
2.2
1.5
3.5
2.6
3.5
2.6
40
4.2
3.2
4.2
3.2
250
150
120
100
1.2
1.2
15
Dhꢄꢄfefꢅthꢆa Peonꢆiꢆthoꢅ Dfaꢆy
Hhiꢂ to Low
t
t
Fhipefs 10, 11, 13, 14
Fhipefs 10, 11, 13, 14
ꢅs
ꢅs
PHL
Dhꢄꢄfefꢅthꢆa Peonꢆiꢆthoꢅ Dfaꢆy
Low to Hhiꢂ
PLH
Ppasf Skfw t
Ppasf Skfw t
- t
t
Fhipefs 10, 11, 13, 14
ns
ns
PLH PHL
SKEW
- t
t
Fhipefs 10, 12, 13, 15 (ꢁotf 11)
MAX9169, Fhipefs 10, 11, 12
MAX9170, Fhipefs 13, 14, 15
MAX9169, Fhipefs 10, 11, 12
MAX9170, Fhipefs 13, 14, 15
Hhiꢂ to ꢂhiꢂ-Z, Fhipefs 16–19
Low to ꢂhiꢂ-Z, Fhipefs 16–19
Hhiꢂ-Z to ꢂhiꢂ, Fhipefs 16–19
Hhiꢂ-Z to aow, Fhipefs 16–19
40
PLH PHL
SK(P)
25
Cꢂꢆꢅꢅfa-to-Cꢂꢆꢅꢅfa Skfw
(ꢁotf 12)
t
ns
ꢅs
ꢅs
ꢅs
SK(0)
15
0.28
0.19
11
Dhꢄꢄfefꢅthꢆa Pꢆet-to-Pꢆet Skfw
(ꢁotf 13)
t
SK(PP)
t
PHZ
Dhsꢆbaf Thmf
Eꢅꢆbaf Thmf
t
11.8
2.3
5.8
15
PLZ
t
10
PZH
t
10
PZL
Note 1: Cpeefꢅt hꢅto ꢆ nhꢅ hs ꢃfꢄhꢅfꢃ ꢆs noshthꢇf. Cpeefꢅt opt oꢄ ꢆ nhꢅ hs ꢃfꢄhꢅfꢃ ꢆs ꢅfiꢆthꢇf. Aaa ꢇoatꢆifs ꢆef efꢄfefꢅcfꢃ to ieopꢅꢃ
fxcfnt V , V , V , V , ꢆꢅꢃ ∆V
.
OD
TH TL ID OD
Note 2: Mꢆxhmpm ꢆꢅꢃ mhꢅhmpm ahmhts oꢇfe tfmnfeꢆtpef ꢆef ipꢆeꢆꢅtffꢃ by ꢃfshiꢅ ꢆꢅꢃ cꢂꢆeꢆctfehzꢆthoꢅ. Dfꢇhcfs ꢆef neoꢃpcthoꢅ
tfstfꢃ ꢆt T = +25°C.
A
Note 3: Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe Iꢁ+, Iꢁ-, oe shꢅiaf-fꢅꢃfꢃ Iꢁ: V = 0.4 shꢅ(4E6πt) + 0.5.
Iꢁ
Note 4: Aaa hꢅnpt npasfs ꢆef spnnahfꢃ by ꢆ ifꢅfeꢆtoe ꢂꢆꢇhꢅi tꢂf ꢄoaaowhꢅi cꢂꢆeꢆctfehsthcs: t oe t ≤ 1ꢅs, npasf efnfththoꢅ eꢆtf (PRR) =
R
F
0.5 Mnns, npasfwhꢃtꢂ = 500 10ꢅs.
Note 5: Gpꢆeꢆꢅtffꢃ by ꢃfshiꢅ ꢆꢅꢃ cꢂꢆeꢆctfehzꢆthoꢅ.
Note 6: Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe OUT+ oe OUT-: V = 0.4 shꢅ(4E6πt) + 0.5, EꢁN = aow.
Iꢁ
Note 7: C hꢅcapꢃfs sconf neobf ꢆꢅꢃ tfst jhi cꢆnꢆchtꢆꢅcf.
L
Note 8: Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe ꢃhꢄꢄfefꢅthꢆa hꢅnpts Iꢁ+, Iꢁ- (pꢅafss otꢂfewhsf ꢅotfꢃ): ꢄefqpfꢅcy = 50MHz, 49ꢀ to 51ꢀ ꢃpty cycaf,
= 50Ω, t = 1.0ꢅs, ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ). Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe shꢅiaf-fꢅꢃfꢃ hꢅnpt Iꢁ (pꢅafss otꢂfewhsf ꢅotfꢃ):
R
O
R
F
ꢄefqpfꢅcy = 50MHz, 49ꢀ to 51ꢀ ꢃpty cycaf, R = 50Ω, V = V , V = 0V, t = 1.0ꢅs, ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ).
O
IH
CC IL
R
F
Note 9: Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe MAX9169 t : V
= +1.3V, V = +1.1V, ꢃꢆtꢆ eꢆtf = 630Mbns, 223 -1 PRBS, R = 50Ω,
DJ OH
OL O
t
R
= 1.0ꢅs ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ). Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe MAX9170 t : V
= V , V = 0V, ꢃꢆtꢆ eꢆtf =
DJ OH CC OL
F
630Mbns, 223 -1 PRBS, R = 50Ω, t = 1.0ꢅs, ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ).
O
R
F
Note 10: Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe MAX9169 t : V
= +1.3V, V = +1.1V, ꢄefqpfꢅcy = 315MHz, 50ꢀ ꢃpty cycaf, R = 50Ω,
RJ OH
OL O
t
R
= 1.0ꢅs, ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ). Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe MAX9170 t : V
= V , V = 0V, ꢄefqpfꢅcy =
RJ OH CC OL
F
315MHz, 50ꢀ ꢃpty cycaf, R = 50Ω, t = 1.0ꢅs, ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ).
O
R
F
Note 11: Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe MAX9169 t
: V
: V
= +1.4V, V = +1.0V, R = 50Ω, t = 1.0ꢅs, ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ).
SK(P) OH OL O R F
Shiꢅꢆa ifꢅfeꢆtoe optnpt ꢄoe MAX9170 t
= +3.0, V = 0V, R = 50Ω, t = 1.0ꢅs, ꢆꢅꢃ t = 1.0ꢅs (0ꢀ to 100ꢀ).
SK(P) OH OL O R F
Note 12: t
hs tꢂf mꢆiꢅhtpꢃf oꢄ tꢂf thmf ꢃhꢄꢄfefꢅcf bftwffꢅ t
oe t
oꢄ ꢆaa ꢃehꢇfes oꢄ ꢆ shꢅiaf ꢃfꢇhcf whtꢂ ꢆaa oꢄ tꢂfhe hꢅnpts
SK(0)
PLH
PHL
coꢅꢅfctfꢃ toiftꢂfe.
Note 13: t hs tꢂf mꢆiꢅhtpꢃf oꢄ tꢂf ꢃhꢄꢄfefꢅcf hꢅ neonꢆiꢆthoꢅ ꢃfaꢆy thmfs bftwffꢅ ꢆꢅy snfchꢄhfꢃ tfemhꢅꢆas oꢄ two ꢃfꢇhcfs wꢂfꢅ
SK(PP)
botꢂ ꢃfꢇhcfs onfeꢆtf whtꢂ tꢂf sꢆmf spnnay ꢇoatꢆifs, ꢆt tꢂf sꢆmf tfmnfeꢆtpef, ꢆꢅꢃ ꢂꢆꢇf hꢃfꢅthcꢆa nꢆckꢆifs ꢆꢅꢃ tfst checphts.
4
_______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Typical Operating Characteristics
(V
= 3.3V, R = 100Ω, C = 10nF, ꢈ V ꢈ = 150mV, V
= 1.25V, ꢄ = 50MHz, T = +25°C, pꢅafss otꢂfewhsf ꢅotfꢃ.)
CM Iꢁ A
CC
L
L
ID
MAX9169 SUPPLY CURRENT
vs. FREQUENCY
MAX9170 SUPPLY CURRENT
vs. FREQUENCY
DIFFERENTIAL OUTPUT AMPLITUDE
vs. FREQUENCY
50
40
30
20
10
0
360
320
280
240
200
4 CHANNELS ACTIVE
3 CHANNELS ACTIVE
4 CHANNELS ACTIVE
3 CHANNELS ACTIVE
40
30
20
10
0
V
= 3.6V
CC
2 CHANNELS ACTIVE
2 CHANNELS ACTIVE
V
= 3.3V
CC
1 CHANNEL ACTIVE
1 CHANNEL ACTIVE
V
= 3.0V
CC
ALL CHANNELS DISABLED
ALL CHANNELS DISABLED
0
45
90 135 180 225 270 315
FREQUENCY (MHz)
0
45
90 135 180 225 270 315
FREQUENCY (MHz)
0
45
90 135 180 225 270 315
FREQUENCY (MHz)
MAX9170 PROPAGATION DELAY
vs. TEMPERATURE
TRANSITION TIME
vs. TEMPERATURE
MAX9169 PROPAGATION DELAY
vs. TEMPERATURE
840
820
800
780
760
740
720
3.8
3.7
3.6
3.5
3.4
3.3
3.2
2.9
2.8
2.7
2.6
2.5
2.4
t
r
t
PHL
t
f
t
PLH
t
PHL
t
PLH
-40
-15
10
35
60
85
-40
-15
10
35
60
85
-40
-15
10
35
60
85
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
TRANSITION TIME
vs. CAPACITIVE LOAD
DIFFERENTIAL OUTPUT VOLTAGE
vs. LOAD RESISTOR
950
600
500
400
300
200
100
900
850
800
750
700
t
r
t
f
5
7
9
11
13
15
50
75
100
125
150
CAPACITIVE LOAD (pF)
LOAD RESISTOR (Ω)
_______________________________________________________________________________________
5
4-Port LVDS and LVTTL-to-LVDS Repeaters
Pin Description
PIN
MAX9170
NAME
FUNCTION
MAX9169
OUT1+/OUT1- Eꢅꢆbaf. +5V toafeꢆꢅt LVTTL/LVCMOS hꢅnpt. Sft Eꢁ1 ꢂhiꢂ to fꢅꢆbaf
OUT1+/OUT1-. Sft Eꢁ1 aow to ꢃhsꢆbaf OUT1+/OUT1- (ꢂhiꢂ-hmnfꢃꢆꢅcf moꢃf). Iꢅtfieꢆtfꢃ
npaaꢃowꢅ to GꢁD.
1
1
2
3
Eꢁ1
OUT2+/OUT2- Eꢅꢆbaf. +5V toafeꢆꢅt LVTTL/LVCMOS hꢅnpt. Sft Eꢁ2 ꢂhiꢂ to fꢅꢆbaf
OUT2+/OUT2-. Sft Eꢁ2 aow to ꢃhsꢆbaf OUT2+/OUT2- (ꢂhiꢂ-hmnfꢃꢆꢅcf moꢃf). Iꢅtfieꢆtfꢃ
npaaꢃowꢅ to GꢁD.
2
3
Eꢁ2
Eꢁ3
OUT3+/OUT3- Eꢅꢆbaf. +5V toafeꢆꢅt LVTTL/LVCMOS hꢅnpt. Sft Eꢁ3 ꢂhiꢂ to fꢅꢆbaf
OUT3+/OUT3-. Sft Eꢁ3 aow to ꢃhsꢆbaf OUT3+/OUT3- (ꢂhiꢂ-hmnfꢃꢆꢅcf moꢃf). Iꢅtfieꢆtfꢃ
npaaꢃowꢅ to GꢁD.
4
5
6
7
4
5
V
Powfe-Spnnay Voatꢆif. Bynꢆss whtꢂ 0.1µF ꢆꢅꢃ 0.001µF cꢆnꢆchtoes to ieopꢅꢃ.
CC
GꢁD
Iꢁ+
Iꢁ-
Geopꢅꢃ
—
—
ꢁoꢅhꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Iꢅnpt
Iꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Iꢅnpt
OUT4+/OUT4- Eꢅꢆbaf. +5V toafeꢆꢅt LVTTL/LVCMOS hꢅnpt. Sft Eꢁ4 ꢂhiꢂ to fꢅꢆbaf
OUT4+/OUT4-. Sft Eꢁ4 aow to ꢃhsꢆbaf OUT4+/OUT4- (ꢂhiꢂ-hmnfꢃꢆꢅcf moꢃf). Iꢅtfieꢆtfꢃ
npaaꢃowꢅ to GꢁD.
8
8
Eꢁ4
9
9
OUT4- Iꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
OUT4+ ꢁoꢅhꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
OUT3- Iꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
OUT3+ ꢁoꢅhꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
OUT2- Iꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
OUT2+ ꢁoꢅhꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
OUT1- Iꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
OUT1+ ꢁoꢅhꢅꢇfethꢅi Dhꢄꢄfefꢅthꢆa LVDS Optnpt
10
11
12
13
14
15
16
—
—
10
11
12
13
14
15
16
6
Iꢁ
Dꢆtꢆ Iꢅnpt, 5V Toafeꢆꢅt LVTTL/LVCMOS. Iꢅtfieꢆtfꢃ npaaꢃowꢅ to GꢁD.
ꢁo Coꢅꢅfcthoꢅ
7
ꢁ.C.
Table 1. MAX9169 Input/Output Functions
Table 2. MAX9170 Input/Output Functions
INPUT
OUTPUT
INPUT
- V
OUTPUT
V
EN_
Low oe onfꢅ
Hhiꢂ
V
V
= V
EN_
Low oe onfꢅ
Hhiꢂ
V
IN
OD
ID
IN+
IN-
OD
X
Hhiꢂ-Z
Hhiꢂ
Low
X
Hhiꢂ-Z
Hhiꢂ
Low
Hhiꢂ
Low
+50mV
-50mV
Onfꢅ
Hhiꢂ
Hhiꢂ
Onfꢅ
Hhiꢂ
Low
Hhiꢂ
Hhiꢂ
Hhiꢂ
Hhiꢂ
Uꢅꢃehꢇfꢅ sꢂoet
Hhiꢂ
Uꢅꢃehꢇfꢅ nꢆeꢆaafa tfemhꢅꢆtfꢃ
Hhiꢂ
6
_______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Detailed Description
V
CC
LVDS hs ꢆ shiꢅꢆahꢅi mftꢂoꢃ ꢄoe nohꢅt-to-nohꢅt ꢆꢅꢃ
mpathꢃeon ꢃꢆtꢆ commpꢅhcꢆthoꢅ oꢇfe ꢆ coꢅteoaafꢃ-hmnfꢃ-
ꢆꢅcf mfꢃhpm ꢆs ꢃfꢄhꢅfꢃ by tꢂf AꢁSI TIA/EIA-644 ꢆꢅꢃ
IEEE 1596.3 stꢆꢅꢃꢆeꢃs. LVDS psfs ꢆ aowfe ꢇoatꢆif swhꢅi
tꢂꢆꢅ otꢂfe commoꢅ stꢆꢅꢃꢆeꢃs, ꢆcꢂhfꢇhꢅi ꢂhiꢂfe ꢃꢆtꢆ
eꢆtfs whtꢂ efꢃpcfꢃ nowfe coꢅspmnthoꢅ, wꢂhaf efꢃpchꢅi
EMI fmhsshoꢅs ꢆꢅꢃ systfm spscfnthbhahty to ꢅohsf.
MAX9169
R
IN2
COMPARATOR
OUT1+
OUT1-
V
CC
- 0.3V
Tꢂf MAX9169/MAX9170 ꢆef 630Mbns, ꢄope-noet
efnfꢆtfes ꢄoe ꢂhiꢂ-snffꢃ, aow-nowfe ꢆnnahcꢆthoꢅs. Tꢂf
MAX9169 ꢆccfnts ꢆꢅ LVDS hꢅnpt ꢆꢅꢃ ꢂꢆs ꢆ ꢄꢆha-sꢆꢄf
hꢅnpt checpht. Tꢂf MAX9170 ꢄfꢆtpefs ꢆ +5V toafeꢆꢅt shꢅ-
iaf-fꢅꢃfꢃ LVTTL/LVCMOS hꢅnpt. Botꢂ ꢃfꢇhcfs efnfꢆt
tꢂf hꢅnpt ꢆt ꢄope LVDS optnpts. Tꢂf MAX9169 ꢃftfcts
ꢃhꢄꢄfefꢅthꢆa shiꢅꢆas ꢆs aow ꢆs 50mV ꢆꢅꢃ ꢆs ꢂhiꢂ ꢆs 1.2V
IN+
R
R
/2
/2
IN1
IN1
RECEIVER
oꢇfe ꢆ ꢈV ꢈ/2 to 2.4V - ꢈV ꢈ/2 commoꢅ-moꢃf eꢆꢅif.
ID
ID
Tꢂf MAX9170’s +5V toafeꢆꢅt LVTTL/LVCMOS hꢅnpt
hꢅcapꢃfs checphtey to ꢂoaꢃ tꢂf ꢃfchshoꢅ tꢂefsꢂoaꢃ coꢅ-
stꢆꢅt ꢆt +1.5V oꢇfe tfmnfeꢆtpef ꢆꢅꢃ spnnay ꢇoatꢆif.
IN-
OUT4+
OUT4-
Tꢂf MAX9169/MAX9170 optnpts psf ꢆ cpeefꢅt-stffehꢅi
coꢅꢄhipeꢆthoꢅ to ifꢅfeꢆtf ꢆ 2.5mA to 4.5mA optnpt cpe-
efꢅt. Tꢂhs cpeefꢅt-stffehꢅi ꢆnneoꢆcꢂ hꢅꢃpcfs afss ieopꢅꢃ
bopꢅcf ꢆꢅꢃ sꢂoot-tꢂeopiꢂ cpeefꢅt, fꢅꢂꢆꢅchꢅi ꢅohsf
mꢆeihꢅ ꢆꢅꢃ systfm snffꢃ nfeꢄoemꢆꢅcf. Tꢂf optnpts ꢆef
sꢂoet-checpht cpeefꢅt ahmhtfꢃ ꢆꢅꢃ ꢆef ꢂhiꢂ hmnfꢃꢆꢅcf
wꢂfꢅ ꢃhsꢆbafꢃ oe wꢂfꢅ tꢂf ꢃfꢇhcf hs ꢅot nowfefꢃ.
Figure 1. MAX9169 Input Fail-Safe Circuit
Wꢂfꢅ tꢂf hꢅnpt hs ꢃehꢇfꢅ whtꢂ shiꢅꢆas mffthꢅi tꢂf LVDS
stꢆꢅꢃꢆeꢃ, tꢂf hꢅnpt commoꢅ-moꢃf ꢇoatꢆif hs afss tꢂꢆꢅ
V
- 0.3V ꢆꢅꢃ tꢂf ꢄꢆha-sꢆꢄf checpht hs ꢅot ꢆcthꢇꢆtfꢃ
CC
(Fhipef 1). Iꢄ tꢂf hꢅnpt hs onfꢅ, pꢅꢃehꢇfꢅ ꢆꢅꢃ sꢂoetfꢃ, oe
pꢅꢃehꢇfꢅ ꢆꢅꢃ nꢆeꢆaafa tfemhꢅꢆtfꢃ, ꢆꢅ hꢅtfeꢅꢆa efshstoe hꢅ
Tꢂf MAX9169/MAX9170 cpeefꢅt-stffehꢅi optnpt efqphefs
ꢆ efshsthꢇf aoꢆꢃ to tfemhꢅꢆtf tꢂf shiꢅꢆa ꢆꢅꢃ comnaftf tꢂf
teꢆꢅsmhsshoꢅ aoon. Bfcꢆpsf tꢂf ꢃfꢇhcfs swhtcꢂ tꢂf ꢃhefc-
thoꢅ oꢄ cpeefꢅt ꢄaow ꢆꢅꢃ ꢅot ꢇoatꢆif afꢇfas, tꢂf optnpt ꢇoat-
ꢆif swhꢅi hs ꢃftfemhꢅfꢃ by tꢂf ꢇꢆapf oꢄ tꢂf tfemhꢅꢆthoꢅ
efshstoe mpathnahfꢃ by tꢂf optnpt cpeefꢅt. Whtꢂ ꢆ tynhcꢆa
3.5mA optnpt cpeefꢅt, tꢂf MAX9169/MAX9170 neoꢃpcf
ꢆ 350mV optnpt ꢇoatꢆif wꢂfꢅ ꢃehꢇhꢅi ꢆ teꢆꢅsmhsshoꢅ ahꢅf
tfemhꢅꢆtfꢃ whtꢂ ꢆ 100Ω efshstoe (3.5mA ✕ 100Ω =
350mV). Loihc stꢆtfs ꢆef ꢃftfemhꢅfꢃ by tꢂf ꢃhefcthoꢅ oꢄ
cpeefꢅt ꢄaow tꢂeopiꢂ tꢂf tfemhꢅꢆthoꢅ efshstoe.
tꢂf ꢄꢆha-sꢆꢄf checpht npaas botꢂ tꢂf hꢅnpts ꢆboꢇf V
-
CC
0.3V, ꢆcthꢇꢆthꢅi tꢂf ꢄꢆha-sꢆꢄf checpht ꢆꢅꢃ ꢄoechꢅi tꢂf opt-
npts ꢂhiꢂ.
Applications Information
Supply Bypassing
whtꢂ ꢂhiꢂ-ꢄefqpfꢅcy speꢄꢆcf-mopꢅt cfeꢆm-
Bynꢆss V
CC
hc 0.1µF ꢆꢅꢃ 0.001µF cꢆnꢆchtoes hꢅ nꢆeꢆaafa ꢆs caosf to
tꢂf ꢃfꢇhcf ꢆs nosshbaf, whtꢂ tꢂf smꢆaafe ꢇꢆapf cꢆnꢆchtoe
caosfst to tꢂf V
nhꢅ. Usf mpathnaf nꢆeꢆaafa ꢇhꢆs to mhꢅ-
CC
Fail-Safe Circuitry
Tꢂf ꢄꢆha-sꢆꢄf ꢄfꢆtpef oꢄ tꢂf MAX9169 sfts tꢂf optnpts
ꢂhiꢂ wꢂfꢅ tꢂf ꢃhꢄꢄfefꢅthꢆa hꢅnpt hs:
hmhzf nꢆeꢆshthc hꢅꢃpctꢆꢅcf.
Traces, Cables, and Connectors
Tꢂf cꢂꢆeꢆctfehsthcs oꢄ ꢃhꢄꢄfefꢅthꢆa hꢅnpt ꢆꢅꢃ optnpt coꢅ-
ꢅfcthoꢅs ꢆꢄꢄfct tꢂf nfeꢄoemꢆꢅcf oꢄ tꢂf MAX9169/
MAX9170. Usf coꢅteoaafꢃ-hmnfꢃꢆꢅcf teꢆcfs, cꢆbafs,
ꢆꢅꢃ coꢅꢅfctoes whtꢂ mꢆtcꢂfꢃ cꢂꢆeꢆctfehsthc hmnfꢃꢆꢅcf.
• Onfꢅ
• Uꢅꢃehꢇfꢅ ꢆꢅꢃ sꢂoetfꢃ
• Uꢅꢃehꢇfꢅ ꢆꢅꢃ tfemhꢅꢆtfꢃ
Eꢅspef tꢂꢆt ꢅohsf copnafs ꢆs commoꢅ moꢃf by epꢅ-
ꢅhꢅi tꢂf teꢆcfs oꢄ ꢆ ꢃhꢄꢄfefꢅthꢆa nꢆhe caosf toiftꢂfe.
Rfꢃpcf whtꢂhꢅ-nꢆhe skfw by mꢆtcꢂhꢅi tꢂf fafctehcꢆa
afꢅitꢂ oꢄ tꢂf teꢆcfs oꢄ ꢆ ꢃhꢄꢄfefꢅthꢆa nꢆhe. Excfsshꢇf
skfw cꢆꢅ efspat hꢅ ꢆ ꢃfieꢆꢃꢆthoꢅ oꢄ mꢆiꢅfthc ꢄhfaꢃ cꢆꢅ-
cfaaꢆthoꢅ. Mꢆhꢅtꢆhꢅ ꢆ coꢅstꢆꢅt ꢃhstꢆꢅcf bftwffꢅ teꢆcfs
oꢄ ꢆ ꢃhꢄꢄfefꢅthꢆa nꢆhe to ꢆꢇohꢃ ꢃhscoꢅthꢅphthfs hꢅ ꢃhꢄꢄfefꢅ-
Whtꢂopt ꢆ ꢄꢆha-sꢆꢄf checpht, wꢂfꢅ tꢂf hꢅnpt hs pꢅꢃehꢇfꢅ,
ꢅohsf ꢆt tꢂf hꢅnpt mꢆy swhtcꢂ tꢂf optnpts ꢆꢅꢃ ht mꢆy
ꢆnnfꢆe to tꢂf systfm tꢂꢆt ꢃꢆtꢆ hs bfhꢅi sfꢅt. Onfꢅ oe
pꢅꢃehꢇfꢅ tfemhꢅꢆtfꢃ hꢅnpt coꢅꢃhthoꢅs cꢆꢅ occpe wꢂfꢅ ꢆ
cꢆbaf hs ꢃhscoꢅꢅfctfꢃ oe cpt, oe wꢂfꢅ ꢆꢅ LVDS ꢃehꢇfe
optnpt hs hꢅ ꢂhiꢂ hmnfꢃꢆꢅcf. A sꢂoetfꢃ hꢅnpt cꢆꢅ occpe
bfcꢆpsf oꢄ cꢆbaf ꢄꢆhapef.
_______________________________________________________________________________________
7
4-Port LVDS and LVTTL-to-LVDS Repeaters
thꢆa hmnfꢃꢆꢅcf. Mhꢅhmhzf tꢂf ꢅpmbfe oꢄ ꢇhꢆs to ꢄpetꢂfe
nefꢇfꢅt hmnfꢃꢆꢅcf ꢃhscoꢅthꢅphthfs.
ꢃꢆtf ꢇꢆehops tynfs oꢄ hꢅtfecoꢅꢅfct. Tꢂf tfemhꢅꢆthoꢅ
efshstoe ꢆt tꢂf ꢃehꢇfꢅ efcfhꢇfe sꢂopaꢃ mꢆtcꢂ tꢂf ꢃhꢄꢄfe-
fꢅthꢆa cꢂꢆeꢆctfehsthc hmnfꢃꢆꢅcf oꢄ tꢂf hꢅtfecoꢅꢅfct ꢆꢅꢃ
bf aocꢆtfꢃ caosf to tꢂf efcfhꢇfe hꢅnpt. Usf ꢆ 1ꢀ spe-
ꢄꢆcf-mopꢅt tfemhꢅꢆthoꢅ efshstoe.
Aꢇohꢃ tꢂf psf oꢄ pꢅbꢆaꢆꢅcfꢃ cꢆbafs, spcꢂ ꢆs ehbboꢅ
cꢆbaf. Bꢆaꢆꢅcfꢃ cꢆbafs, spcꢂ ꢆs twhstfꢃ nꢆhe, oꢄꢄfe
spnfehoe shiꢅꢆa qpꢆahty ꢆꢅꢃ tfꢅꢃ to ifꢅfeꢆtf afss EMI
ꢃpf to cꢆꢅcfahꢅi fꢄꢄfcts. Bꢆaꢆꢅcfꢃ cꢆbafs tfꢅꢃ to nhck
pn ꢅohsf ꢆs commoꢅ moꢃf, wꢂhcꢂ hs efjfctfꢃ by tꢂf
LVDS efcfhꢇfe.
Board Layout
A ꢄope-aꢆyfe PC boꢆeꢃ whtꢂ sfnꢆeꢆtf aꢆyfes ꢄoe nowfe,
ieopꢅꢃ, ꢆꢅꢃ LVDS shiꢅꢆas hs efcommfꢅꢃfꢃ. Kffn
LVTTL/LVCMOS shiꢅꢆas sfnꢆeꢆtfꢃ ꢄeom tꢂf LVDS shi-
ꢅꢆas to nefꢇfꢅt ceosstꢆak to tꢂf LVDS ahꢅfs.
Termination
Tꢂf MAX9169/MAX9170 LVDS optnpts ꢆef snfchꢄhfꢃ ꢄoe
ꢆ 100Ω aoꢆꢃ bpt cꢆꢅ ꢃehꢇf 90Ω to 132Ω to ꢆccommo-
Test Circuits and Timing Diagrams
OUT1+
MAX9169
50Ω
10pF
V
OS
50Ω
OUT1-
OUT4+
50Ω
10pF
10pF
IN+
PULSE
GENERATOR
50Ω
50Ω
IN-
V
OS
50Ω
OUT4-
10pF
Figure 2. MAX9169 Output Offset Voltage Test Circuit
8
_______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
3.75kΩ
OUT1+
MAX9169
V
100Ω
OD
0V ≤ V
≤ 2.4V
TEST
OUT1-
3.75kΩ
50Ω
IN+
IN-
PULSE
GENERATOR
3.75kΩ
OUT4+
V
100Ω
OD
0V ≤ V
≤ 2.4V
TEST
50Ω
OUT4-
3.75kΩ
Figure 3. MAX9169 Differential Output Voltage Test Circuit
V
= ((V ) - (V )) / 2
IN+ IN-
CM
IN-
0V
DIFFERENTIAL
V
ID
IN+
OUT_-
V
V
OH
OL
V
V
V
OS(-)
OS(-)
OS(+)
OUT_+
∆V = | (V
) - (V
) |
) |
OS
OS(+)
OS(-)
V
OD_+
V
= 0V
OD
∆V = | (V
OD
) - (V
OD_+
OD_-
V
OD_-
(OUT_+) - (OUT_-)
Figure 4. MAX9169 Output DC Parameters
_______________________________________________________________________________________
9
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
OUT1+
MAX9170
50Ω
10pF
V
OS
50Ω
OUT1-
OUT4+
10pF
10pF
IN
PULSE
GENERATOR
50Ω
50Ω
50Ω
V
OS
OUT4-
10pF
Figure 5. MAX9170 Output Offset Voltage Test Circuit
3.75kΩ
OUT1+
MAX9170
V
100Ω
OD
0V ≤ V
≤ 2.4V
TEST
OUT1-
3.75kΩ
IN
PULSE
GENERATOR
3.75kΩ
OUT4+
V
100Ω
50Ω
OD
0V ≤ V
≤ 2.4V
TEST
OUT4-
3.75kΩ
Figure 6. MAX9170 Differential Output Voltage Test Circuit
10 ______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
V
IH
IN
V
V
IL
OUT_-
OUT_+
OH
V
V
V
OS(-)
OS(-)
OS(+)
V
V
OL
∆V = | (V
) - (V
) |
) |
OS
OS(+)
OS(-)
V
OD_+
= 0V
OD
∆V = | (V
) - (V
OD_+
OD
OD_-
V
OD_-
(OUT_+) - (OUT_-)
Figure 7. MAX9170 LVDS Output DC Parameters
IN-
IN+
1.25V
1.20V
V
= 50mV
ID
∆V
OS
V
OS(+)
V
OS(P-P)
V
V
OS(-)
OS(-)
Figure 8. MAX9169 Output Offset Voltage Waveforms
3V
0V
IN
∆V
OS
V
OS(+)
V
OS(P-P)
V
V
OS(-)
OS(-)
Figure 9. MAX9170 Output Offset Voltage Waveforms
______________________________________________________________________________________ 11
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
C
L
10pF
MAX9169
OUT1+
OUT1-
R
L
100Ω
C
L
10pF
50Ω
IN+
IN-
C
L
PULSE
GENERATOR
10pF
OUT4+
OUT4-
R
L
100Ω
50Ω
C
10pF
L
Figure 10. MAX9169 Propagation Delay and Transition Time Test Circuit
IN-
(V ) - (V
IN+
)
IN-
V
V
ID
0V DIFFERENTIAL
PLH
CM
V
=
CM
2
IN+
t
t
PHL
80%
80%
V
= (V
) - (V
)
OUT_-
OD
OUT_+
0V
0V
20%
20%
V
OD
t
t
F
R
Figure 11. MAX9169 Propagation Delay and Transition Time Waveforms
12 ______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
IN-
IN+
1.4V
V
= 1.2V
V
= 1.2V
CM
CM
1.0V
t
t
PHL
PLH
80%
80%
V
= (V
) - (V
)
OUT_-
OD
OUT_+
0V
0V
20%
20%
V
OD
t
t
F
R
Figure 12. MAX9169 Propagation Delay and Transition Time Waveforms, t
SK(p)
C
L
10pF
MAX9170
OUT1+
OUT1-
R
L
100Ω
C
L
10pF
IN
C
L
PULSE
GENERATOR
10pF
OUT4+
OUT4-
R
L
50Ω
100Ω
C
L
10pF
Figure 13. MAX9170 Propagation Delay and Transition Time Test Circuit
______________________________________________________________________________________ 13
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
V
CC
IN
V
/2
V
CC
/2
CC
0V
t
t
PHL
PLH
80%
80%
V
= (V
) - (V
)
OUT_-
OD
OUT_+
0V
0V
20%
20%
V
OD
t
t
F
R
Figure 14. MAX9170 Propagation Delay and Transition Time Waveforms
3.0V
IN
1.5V
1.5V
0V
t
t
PHL
PLH
80%
80%
V
= (V
) - (V
)
OUT_-
OD
OUT_+
0V
0V
20%
20%
V
OD
t
t
F
R
Figure 15. MAX9170 Propagation Delay and Transition Time Waveforms, t
SK(p)
14 ______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
MAX9169
C
OUT_+
50Ω
L
1.25V
10pF
IN+
IN-
1.20V
1.25V
50Ω
OUT_-
1.2V
C
L
1.20V
10pF
EN_
PULSE
GENERATOR
50Ω
Figure 16. MAX9169 Enable and Disable Time Test Circuit
MAX9170
C
L
10pF
OUT_+
50Ω
2.0V
IN
0.8V
50Ω
OUT_-
1.2V
C
L
10pF
EN_
PULSE
GENERATOR
50Ω
Figure 17. MAX9170 Enable and Disable Time Test Circuit
______________________________________________________________________________________ 15
4-Port LVDS and LVTTL-to-LVDS Repeaters
Test Circuits and Timing Diagrams (continued)
3V
EN_
1.5V
1.5V
OV
t
t
PZH
PHZ
~1.4V
1.25V
1.15V
1.25V
1.15V
V
WHEN V = +50mV
ID
OUT_+
V
WHEN V = -50mV
OUT_-
ID
1.2V
1.2V
V
V
WHEN V = -50mV
ID
OUT_+
OUT_-
WHEN V = +50mV
ID
~1.0V
t
PZL
t
PLZ
Figure 18. MAX9169 Enable and Disable Time Waveforms
3V
EN_
1.5V
1.5V
OV
t
t
PZH
PHZ
~1.4V
1.25V
1.15V
1.25V
1.15V
V
WHEN V = 2.0V
IN
OUT_+
V
WHEN V = 0.8V
OUT_-
IN
1.2V
1.2V
V
V
WHEN V = 0.8V
IN
OUT_+
OUT_-
WHEN V = 2.0V
IN
~1.0V
t
PZL
t
PLZ
Figure 19. MAX9170 Enable and Disable Time Waveforms
16 ______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Pin Configurations
TOP VIEW
MAX9169
MAX9170
EN1
EN2
EN3
OUT1+
OUT1-
OUT2+
OUT2-
OUT3+
OUT3-
OUT4+
OUT4-
EN1
EN2
EN3
OUT1+
OUT1-
OUT2+
OUT2-
OUT3+
OUT3-
OUT4+
OUT4-
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
V
CC
CC
GND
IN+
GND
IN
IN-
N.C.
EN4
EN4
TSSOP/SO
TSSOP/SO
Chip Information
TRAꢁSISTOR COUꢁT: 1187
PROCESS: CMOS
______________________________________________________________________________________ 17
4-Port LVDS and LVTTL-to-LVDS Repeaters
Package Information
(Tꢂf nꢆckꢆif ꢃeꢆwhꢅi(s) hꢅ tꢂhs ꢃꢆtꢆ sꢂfft mꢆy ꢅot efꢄafct tꢂf most cpeefꢅt snfchꢄhcꢆthoꢅs. Foe tꢂf aꢆtfst nꢆckꢆif optahꢅf hꢅꢄoemꢆthoꢅ,
io to www.maxim-ic.com/packages.)
18 ______________________________________________________________________________________
4-Port LVDS and LVTTL-to-LVDS Repeaters
Package Information (continued)
(Tꢂf nꢆckꢆif ꢃeꢆwhꢅi(s) hꢅ tꢂhs ꢃꢆtꢆ sꢂfft mꢆy ꢅot efꢄafct tꢂf most cpeefꢅt snfchꢄhcꢆthoꢅs. Foe tꢂf aꢆtfst nꢆckꢆif optahꢅf hꢅꢄoemꢆthoꢅ,
io to www.maxim-ic.com/packages.)
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19
© 2002 Mꢆxhm Iꢅtfieꢆtfꢃ Peoꢃpcts
Pehꢅtfꢃ USA
hs ꢆ efihstfefꢃ teꢆꢃfmꢆek oꢄ Mꢆxhm Iꢅtfieꢆtfꢃ Peoꢃpcts.
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