TRANSIMPEDANCE AMPLIFIER. HMC690 Datasheet

HMC690 AMPLIFIER. Datasheet pdf. Equivalent

Part HMC690
Description TRANSIMPEDANCE AMPLIFIER
Feature v04.0709 HMC690 10 Gbps TRANSIMPEDANCE AMPLIFIER TRANSIMPEDANCE AMPLIFIERS - CHIP 5 5-2 Typical .
Manufacture Analog Devices
Datasheet
Download HMC690 Datasheet



HMC690
v04.0709
HMC690
10 Gbps TRANSIMPEDANCE
AMPLIFIER
5
5-2
Typical Applications
Features
The HMC690 is ideal for:
Supports data rates up to 11.3 Gbps
• SONET OC-192 and SDH STM-64 Transponders
1.25 Kohm differential gain
• 10 Gbps Ethernet
+3.3 V single power supply
• Broadband instrumentation
AC or DC coupled outputs
• Short, intermediate and long reach
optical receiver modules
SOLETE Functional Diagram
11 pA/√Hz input referred noise density
3 mA p-p overload
Average input power monitoring
Output offset adjustment
Die Size: 0.68 x 1.14 x 0.18mm
General Description
The HMC690 is 10 Gbps transimpedance amplifier
designed for SONET OC-192 / SDH STM-64, 10GbE
and 10Gbps systems employing optical amplifiers. It
supports data rates up to 11.3 Gbps. This amplifier
provides a differential output voltage that is proportional
to an applied current at its input port. This current is
typically provided by a photodiode. Operating from a
single +3.3V supply, the HMC690 features low input
referred noise, and is designed for driving a CDR or
a typical transceiver directly. The RSSI output can be
used for monitoring average input power. This device
also features a DC offset control, which enables
output signal level adjustment for asymmetrical
signals. Additional features include an integrated
300Ω filter resistor for photo-diode supply voltage and
an extended linear range[2] option.
B Electrical Specifications, TA = +25° C, Vcc1 = Vcc2 = +3.3V [1]
Parameter
Conditions
Min.
Typ.
Max.
Units
AC Specifications
O Max Data Rate
11.3
Gbps
Small Signal Transimpedance (ZT)
Differential p-p @ 500 MHz
1.1
1.25
1.55
kOhm
Output Amplitude Differential peak-to-peak
Small Signal Zt BW
For IIN > 1 mA
3-dB Upper LImit
430
500
560
mV
7.5
GHz
Input Referred Noise Density
Noise Density @ 1 GHz
Noise Density @ 5 GHz
11.2
13.5
pA/Hz
13.4
14.7
pA/Hz
Input Referred RMS Noise
@ 8 GHz Bandwidth
1.0
uA rms
Added p-p Deterministic Jitter
10
ps
Random Jitter
Rise Time
IIN > 1 mA
20 - 80%
300
500
fs rms
17
21
25
ps
[1] Lin_en Open
[2] Please see Pin Description table for further explanation of the extended linear range option available on Pin 9.
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HMC690
v04.0709
HMC690
10 Gbps TRANSIMPEDANCE
AMPLIFIER
Electrical Specifications (Conditions)
Parameter
Conditions
Min.
Typ.
Max.
Units
Fall Time
80% - 20%
19
22
28
ps
Output Return Loss
F<10 GHz
10
dB
Zt Group Delay Variation
±20
ps
Linear Input Range
300
uA p-p
Input Overdrive
3
Optical Sensitivity [1]
@ 10 Gbps (P = 0.9A/W,
-20
re = 9 dB, BER = 1e-12)
DC Specifications
Power Supply
3.0
3.3
E Supply Current
77
92
OFF ADJ Sensitivity
780
RSSI Sensitivity
-1
T Open Circuit Input DC Level
0.95
[1] Optical receiver sensitivity depends on packaging, photodiode type, BER value and input signal eye quality.
mA p-p
dBm
3.6
V
106
mA
mV/V
mA/V
1.1
V
OLE Photodiode Specification Assumptions
Photodiode Capacitance: (Cpd) = 220 fF
Photodiode and bond wire parasitic inductance:
(Ls) = 800 pH
Photodiode Resistance: (Rs) = 20 Ohm
Photodiode Responsivity: (p) = 0.8 A/W
S Differential Output Voltage
B vs. Input Current
600
O 500
Differential Output Voltage
vs. Temperature
515
5
400
505
300
495
200
485
100
0
0
500 1000 1500 2000 2500 3000
PEAK TO PEAK INPUT CURRENT (uA)
475
-60 -40 -20 0 20 40 60
TEMPERATURE (deg C)
80 100
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Trademarks and registered trademarks are the property of their resOpercdtiveeorwOnerns.-line at www.hAiptptilticea.tcioonmSupport: Phone: 1-800-ANALOG-D
5-3





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