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參數(shù)資料
| 型號： | MAX3658 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 622Mbps, Low-Noise, High-Gain Transimpedance Preamplifier |
| 中文描述： | 622Mbps、低噪聲、高增益互阻前置放大器 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 2011K |
| 代理商： | MAX3658 |
where
ρ
is the photodiode responsivity in A/W and i
n
is
the RMS noise current in amps. For example, with pho-
todiode responsivity of 0.9A/W, an extinction ratio of 10
and 45nA input-referred noise, the sensitivity of the
MAX3658 is:
Actual results may vary depending on supply noise,
output filter, limiting amplifier sensitivity, and other fac-
tors (refer to application note HFAN-3.0.0:
Accurately
Estimating Optical Receiver Sensitivity
).
Maxim obtains -33dBm typ sensitivity combined with
the MAX3748.
Input Optical Overload
Overload is the largest input that the MAX3658 accepts
while meeting the pulse-width distortion specification.
Optical overload can be estimated in terms of average
power with the following equation:
For example, if photodiode responsivity is 1.0A/W, the
input overload is 0dBm.
Optical Linear Range
The MAX3658 has high gain, which limits the output for
large input signals. The MAX3658 operates in a linear
range for inputs not exceeding:
For example, with photodiode responsivity of 0.9A/W
and an extinction ratio of 10, the linear range is:
Interface Schematics
Equivalent Output Interface
The MAX3658 has a differential output structure with
75
termination (150
differential). Figure 5 is a simpli-
fied diagram of the output interface. Common test
equipment is designed with a 50
single-ended termi-
nation (100
differential). Figures 6a and 6b show alter-
nate interface schemes for the MAX3658.
LINEARRANGE
A
0 9
dBm
dBm
log
×
.
×
=
=
10
4
11
2
9
1000
25
μ
LINEAR RANGE
A
r
r
dBm
e
e
log
×
+
×
ρ
×
=
(
)
1
×
(
)
10
4
1
2
1000
μ
OVERLOAD
mA
×
dBm
log
×
=
10
2
2
1000
ρ
SENSITIVITY
nA
A W
/
dBm
dBm
log
0 9
×
×
=
×
=
10
12.
2
45
11
9
1000
34
M
622Mbps, Low-Noise, High-Gain
Transimpedance Preamplifier
_______________________________________________________________________________________
9
P0
P1
P
AVG
TIME
O
Figure 4. Optical Power Relations
OUT+
OUT-
V
CC
V
CC
V
CC
R
OUT
75
R
OUT
75
Figure 5. Equivalent Output Interface
相關PDF資料 |
PDF描述 |
|---|---|
| MAX3658AETA | 622Mbps, Low-Noise, High-Gain Transimpedance Preamplifier |
| MAX365 | Precision, Quad, SPST Analog Switches(接通電阻85Ω,漏電流0.5nA,導通速率250ns,單刀單擲模擬開關,DG441的改進型) |
| MAX364 | Precision, Quad, SPST Analog Switches(接通電阻85Ω,漏電流0.5nA,導通速率250ns,單刀單擲模擬開關,DG441的改進型) |
| MAX3680 | DIODE SWITCHING SINGLE 75V 125mA-Io 150mW 4ns-trr SOD-523 3K/REEL |
| MAX3680EAI | +3.3V, 622Mbps, SDH/SONET 1:8 Deserializer with TTL Outputs |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3658AE/D | 制造商:Maxim Integrated Products 功能描述:622MBPS LOW-NOISE HIGH-GAIN TRANS - Gel-pak, waffle pack, wafer, diced wafer on film |
| MAX3658AETA | 制造商:Maxim Integrated Products 功能描述:622MBPS, LOW-NOISE, HIGH-GAIN TRANSIMPEDANCE - Rail/Tube |
| MAX3658AETA+ | 制造商:Maxim Integrated Products 功能描述:SP AMP TRANSIMPEDANCE AMP SGL 8TDFN EP - Rail/Tube |
| MAX3658AETA+T | 功能描述:跨阻抗放大器 622Mbps Transimpedance Pream RoHS:否 制造商:Texas Instruments 封裝 / 箱體:SOIC-14 帶寬:3 MHz 工作電源電壓:36 V 電源電流:5.5 mA 工作溫度范圍:- 40 C to + 85 C 封裝:Tube |
| MAX3658AETA-T | 功能描述:跨阻抗放大器 622Mbps Transimpedance Pream RoHS:否 制造商:Texas Instruments 封裝 / 箱體:SOIC-14 帶寬:3 MHz 工作電源電壓:36 V 電源電流:5.5 mA 工作溫度范圍:- 40 C to + 85 C 封裝:Tube |
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