M02013

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5

CMOS Transimpedance Amplifier with AGC

for Fiber-optic Networks up to 3.2 Gbps

Rev V8

1.5

Dynamic Characteristics

1.6

Typical Performance

Vcc = 3.3V, Temperature = 25 °C, Lin = 1 nH, unless otherwise stated, TIA gain is differential.

Table 1-5.

Dynamic Characteristics

Symbol

Parameter

Minimum

Typical

Maximum

Units

G

Transimpedance

- Single ended

- Differential

3.5

7

5

10

7

14

k

Ω

BW

Bandwidth to -3 dB point @ -22 dBm, 0.9A/W, 0.5 pF PD

2.0

2.4

—

GHz

RC

AGC loop time constant

—

2

—

µs

AGC threshold

30

—

—

Maximum functional input current

––

mA

PSRR

Power supply rejection, f < 4 MHz

20

28

—

dB

NOTE:

1.

Equivalent to +3.4 dBm input optical power at Extinction Ratio = 10, Responsivity = 1.0 A/W.

Figure 1-1.

Typical Performance Diagrams 1 of 4

Transimpedance vs Iin

100

1000

10000

100000

1

10

100

1000

Input Current (uA p-p)