CS3170 datasheet(6/11 Pages) AMCC

6 / 11 page

AMCC Confidential and Proprietary

Revision A – August 12, 2004

Data Sheet

S3170 – 2.5 Gbps Transimpedance Amplifier

Note: AC Electrical Characteristics guaranteed by characterization.

Table 4. AC Electrical Characteristics (VCC = 3.3 V ± 5%, TA = -40°C to +85°C)

Parameter

Description

Min

Typ

Max

Units

Conditions

AC Transimpedance

6.9

kV/A

50 Ohm load

-3 dB Bandwidth

1.9

2.3

2.7

GHz

0.5 pF photodiode capacitance,

1.5 input bond wire inductance

BWLF

Low Frequency -3 dB Cutoff

kHz

No CFILT connected

IPK

Maximum Input Current

2.2

Peak-to-peak

VOD

Differential output voltage

1000

1200

Peak-to-peak, differential

IIN, LIM

Input Current at which output

limits

100

125

µA

1 dB compression point

IND

Input Noise Current Density

6.84

8.5

pA/

√(Hz)

0 – 1.8 GHz

Input Noise Current

290

360

(Output rms noise)/RT, 1.8 GHz

bandwidth

Total Jitter (Pk to Pk)

(At 1E-12 BER)

0.12

Input is 2.488 Gbps,

223 - 1 PRBS. IIN = 2.2 mA

RIPPLE

Output Ripple

-0.5

+0.5

1 - 1600 MHz

Group

Delay

Group Delay Variation

-31

+31

100 - 2000 MHz

S22

Output Reflection Coefficient

-18

1 - 2500 MHz

ROUT

Output Impedance

Ω

Table 5. DC Electrical Characteristics (VCC = 3.3 V ± 5%, TA = -40°C to +85°C)

Parameter

Description

Min

Typ

Max

Units

Conditions

ICC

Supply Current

VBIAS

Input Bias Voltage

0.79

0.92

1.0

VCM

Common Mode Output Voltage

VCC

-0.9

VCC

-0.65

VCC

-0.25

Ω line termination to

GND (AC Coupled) or 100

Ω

line-to-line termination.

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