MAX3657(2004) 데이터 시트보기 (PDF) - Maxim Integrated
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MAX3657 Datasheet PDF : 15 Pages
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155Mbps Low-Noise Transimpedance
Amplifier
Typical Operating Characteristics (continued)
(MAX3657 E/D. VCC = 3.3V, CIN = 0.5pF, TA = +25°C, unless otherwise noted.)
OUTPUT EYE DIAGRAM
(-30dBm OPTICAL INPUT)
6mV/
div
223-1 PRBS
OUTPUT EYE DIAGRAM
(-1dBm OPTICAL INPUT)
20mV/
div
223-1 PRBS
ZARLINK 1A358 PHOTODIODE + MAX3657
1ns/div
ZARLINK 1A358 PHOTODIODE + MAX3657
1ns/div
INPUT IMPEDANCE vs. FREQUENCY
800
TJ = +25°C
TJ = -40°C
750
700
650
600
550
TJ = +110°C
500
SMALL SIGNAL
450
400
350
300
100 1k
10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
Pin Description
PIN
1, 9, 11
2
3
NAME
N.C.
GND
GNDZ
FUNCTION
No Connection. Do not connect.
Negative Supply Voltage. Both GND and GNDZ must be connected to ground.
Negative Supply Voltage. Both GND and GNDZ must be connected to ground.
4
MON
Photocurrent Monitor. This is a current output. Connect a resistor between MON and ground to monitor the
average photocurrent.
5
IN Signal Input. Connect to photodiode anode.
Filter Connection (Optional). Use to bias the photodiode cathode. An internal 800Ω on-chip resistor is connected
6
FILT between this pin and VCCZ; an external decoupling capacitor connected to this pin forms a filter (see the Design
Procedure section).
7
VCCZ Power-Supply Voltage. Both VCC and VCCZ must be connected to the supply.
8
VCC Power-Supply Voltage. Both VCC and VCCZ must be connected to the supply.
10 OUT+ Positive Data Output. This output has 100Ω back termination, increasing input current causes OUT+ to increase.
12 OUT- Negative Data Output. This output has 100Ω back termination, increasing input current causes OUT- to decrease.
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