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参数资料
| 型号： | MAX3795ETG+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/15页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER VCSEL W/MON 24-TQFN |
| 标准包装： | 2,500 |
| 类型： | 激光二极管驱动器 |
| 数据速率： | 4.25Gbps |
| 通道数： | 1 |
| 电源电压： | 2.97 V ~ 3.63 V |
| 电流 - 电源： | 71mA |
| 电流 - 调制： | 15mA |
| 电流 - 偏置： | 15mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-TQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
1Gbps to 4.25Gbps Multirate VCSEL Driver
with Diagnostic Monitors
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +2.97V to +3.63V, T A = -40°C to +85°C. Typical values are at V CC = +3.3V, TC1 and TC2 are shorted, PEAKSET open, T A =
+25°C, unless otherwise noted.)
PARAMETER
Bias Current During Fault
SYMBOL
I BIAS_OFF
CONDITIONS
Current out of the BIAS pin
MIN
TYP
1.5
MAX
10
UNITS
μA
BIASMON Gain
BIASMON Stability
G BIASMON I BIASMON / I BIAS
(Notes 2, 4)
1mA < I BIAS < 3mA
3mA ≤ I BIAS < 15mA
0.0875
0.085
-10
0.105
0.105
0.1375
0.125
+10
mA/mA
%
AUTOMATIC POWER CONTROL (APC)
MD Nominal Voltage
Voltage at REF
V MD
V REF
APC loop is closed
1
1.2
V REF -
0.2
1.8
2
2.2
V
V
MD Voltage During Fault
0
V
MD Input Current
APC Time Constant
PWRMON Nominal Gain
Normal operation (FAULT = low)
C COMP = 0.047μF, ? I PD / ? I LASER = 0.02
V PWRMON / (V REF - V MD )
-2
1.85
0.7
90
2.15
+2
2.45
μA
μs
V/V
LASER MODULATOR (Load is 50 ? AC-Coupled to OUT+)
Differential Input Voltage
Input Common-Mode Voltage
V ID
V CM
Minimum
Maximum
2.4
1.75
0.25
V P-P
V
Differential Input Resistance
Single-Ended Input Return Loss
Differential Input Return Loss
R IN
S11
SDD11
f < 4GHz
f < 4GHz
85
100
12.7
11
115
?
dB
dB
Modulation Current
Laser Modulation During Fault or
Squelch Active
Tolerance of Programmed
Modulation Current
I MOD
I MOD_OFF
Current into OUT+
R LOAD ≤ 50 ?
DC tested
TC1 is shorted to TC2
Minimum
Maximum
15
-10
15
2
50
+10
mA
μA P-P
%
Minimum Peaking Current
Maximum Peaking Current
Peaking Current Duration
R PEAKSET = 10k ?
R PEAKSET = 1k ?
0.2
2
75
mA
mA
ps
Output Resistance
R OUT
Single-ended resistance
42
50
58
?
Minimum Programmable
Temperature Coefficient
0
ppm/°C
Maximum Programmable
Temperature Coefficient
Temperature range 0°C to +70°C
+5000
ppm/°C
Modulation Transition Time
(Note 2)
t R
t F
50 ? load, no peaking,
5mA ≤ I MOD ≤ 15mA
50 ? load, no peaking,
5mA ≤ I MOD ≤ 15mA
-40°C to +85°C
+100°C
-40°C to +85°C
+100°C
49
58
56
64
72
79
ps
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