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參數資料
| 型號： | MAX9157EHJ+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 12/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX QUAD LVDS 32-TQFP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 4/4 |
| 規(guī)程： | LVDS |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-TQFP |
| 供應商設備封裝： | 32-TQFP（5x5） |
| 包裝： | 帶卷 (TR) |
MAX9157
Quad Bus LVDS Transceiver
_______________________________________________________________________________________
5
AC ELECTRICAL CHARACTERISTICS (continued)
(VCC = 3.0V to 3.6V, RL = 27
±1%, differential input voltage |VID| = 0.2V to VCC, input frequency to LVDS inputs = 85MHz, input fre-
quency to LVCMOS/LVTTL inputs = 100MHz, LVCMOS/LVTTL inputs = 0 to 3V with 2ns (10% to 90%) transition times. Differential input
voltage transition time = 1ns (20% to 80%). Input common-mode voltage VCM = 1.2V to 1.8V, DE_ = high, RE_ = low, TA = -40°C to
+85°C, unless otherwise noted. Typical values are at VCC = 3.3V, |VID| = 0.2V, VCM = 1.2V, and TA = +25°C.) (Notes 3 and 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fall Time
tTHL
DE_ = low, Figures 7, 8; CL = 15pF
0.7
1.2
1.8
ns
MAX9157EGJ
6.74
8
Disable Time High to Z
tPHZ
DE_ = low, RL = 500
, CL
= 15pF, Figures 9, 10
MAX9157EHJ
6.82
8
ns
MAX9157EGJ
6.49
8
Disable Time Low to Z
tPLZ
DE_ = low, RL = 500
, C
L
= 15pF, Figures 9, 10
MAX9157EHJ
6.79
8
ns
MAX9157EGJ
4.67
7
Enable Time Z to High
tPZH
DE_ = low, RL = 500
, C
L
= 15pF, Figures 9, 10
MAX9157EHJ
4.57
7
ns
MAX9157EGJ
5.43
7
Enable Time Z to Low
tPZL
DE_ = low, RL = 500
, C
L
= 15pF, Figures 9, 10
MAX9157EHJ
4.71
7
ns
Maximum Operating Frequency
(Note 10)
fMAX
DE_ = low, C
L = 15pF
85
MHz
Note 1: Current into a pin is defined as positive. Current out of a pin is defined as negative. All voltages are referenced to ground
except VTH, VTL, VID, VHYST, VOD, and
VOD.
Note 2: Maximum and minimum limits over temperature are guaranteed by design and characterization. Devices are production
tested at TA = +25°C.
Note 3: Guaranteed by design and characterization.
Note 4: Short only one output at a time. Do not exceed the absolute maximum junction temperature specification.
Note 5: CL includes scope probe and test jig capacitance.
Note 6: tSKD1 is the magnitude difference of differential propagation delays in a channel. tSKD1 = | tPHLD - tPLHD |.
Note 7: tCCSK is the magnitude difference of the tPLHD or tPHLD of one channel and the tPLHD or tPHLD of any other channel on the
same part.
Note 8: tSKD2 is the magnitude difference of any differential propagation delays between parts operating over rated conditions at
the same VCC and within 5°C of each other.
Note 9: tSKD3 is the magnitude difference of any differential propagation delays between parts operating over rated conditions.
Note 10: Meets data sheet specifications while operating at minimum fMAX rating.
Typical Operating Characteristics
(VCC = 3.3V, RL = 27
, driver CL = 10pF, receiver CL = 15pF, |VID| = 200mV, VCM = 1.2V, fIN = 20MHz, TA = +25°C, unless otherwise noted.)
75
85
80
95
90
100
105
0.01
1000
SUPPLY CURRENT vs. FREQUENCY
MAX9157
toc01
FREQUENCY (MHz)
SUPPLY
CURRENT
(mA)
1
0.1
10
100
FOUR CHANNELS
DRIVEN
VCC = 3.6V
VCC = 3.3V
VCC = 3.0V
0.400
0.401
0.403
0.402
0.404
0.405
3.0
3.2
3.1
3.3
3.4
3.5
3.6
DIFFERENTIAL OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
MAX9157
toc02
SUPPLY VOLTAGE (V)
DIFFERENTIAL
OUTPUT
VOLTAGE
(V)
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
15
45
75
105
135
DIFFERENTIAL OUTPUT VOLTAGE
vs. OUTPUT LOAD
MAX9157
toc03
OUTPUT LOAD (
)
DIFFERENTIAL
OUTPUT
VOLTAGE
(V)
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