MAX3793(2004) 查看數據表（PDF） - Maxim Integrated

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MAX3793
(Rev.:2004)

1Gbps to 4.25Gbps Multirate Transimpedance Amplifier with Photocurrent Monitor

Maxim Integrated 

1Gbps to 4.25Gbps Multirate Transimpedance

Amplifier with Photocurrent Monitor

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +2.97V to +3.63V, TA = -40°C to +85°C. Typical values are at VCC = +3.3V, source capacitance CIN = 0.60pF, TA = +25°C,

unless otherwise noted.) (Notes 1, 2)

PARAMETER

Differential Output Return Loss

Single-Ended Output Return Loss

Power-Supply Noise Rejection

(Note 7)

Minimum Photocurrent to be

Detected

SYMBOL

PSNR

IAVGMIN

CONDITIONS

Frequency ≤ 1GHz

1GHz < frequency ≤ 4GHz

Frequency ≤ 1GHz

1GHz < frequency ≤ 4GHz

IIN = 0, f < 1MHz

IIN = 0, 1MHz ≤ f < 10MHz

MIN TYP MAX UNITS

18

dB

9

14

dB

11

47

dB

22

2

µA

Maximum Photocurrent to be

Detected

IAVGMAX

1

mA

Maximum Photocurrent Monitor

Output Offset

Photocurrent Monitor Output

Offset Temperature Dependency

Monitor Output Compliance

Voltage

Photocurrent Monitor Gain

Photocurrent Monitor Gain

Stability

IMON

(OFFSET)

∆IMON

(OFFSET)

IIN = 0µAP-P

IIN = 0µAP-P

∆IMON(OFFSET) = ABS (IMON(OFFSET)

(-40°C) - IMON(OFFSET) (+100°C))

VMON

AMON 2µA ≤ IAVG ≤ 1.0mA

2µA ≤ IAVG ≤ 1.0mA (Notes 3, 8)

10

µA

0.21

µA

0

2

V

1

A/A

-10

+10

%

Photocurrent Monitor Gain

Bandwidth

2µA ≤ IAVG ≤ 1.0mA

7

MHz

Note 1: Die parameters are production tested at room temperature only, but are guaranteed by design and characterization from

-40°C to +85°C.

Note 2: Source capacitance represents the total external capacitance at the IN pad during characterization of the noise and band-

width parameters.

Note 3: Guaranteed by design and characterization.

Note 4: Input-referred noise is:

 RMS Output Noise 





Gain

at

f

=

100MHz





Note 5: Values are derived by calculation from the CIN = 0.6pF measurements.

Note 6: DJ is the sum of pulse-width distortion (PWD) and pattern-dependent jitter (PDJ). DJ is measured using a 3.2GHz 4th-order

Bessel filter on the input.

Note 7: Power-supply noise rejection PSNR = -20log(∆VOUT / ∆VCC), where ∆VOUT is the change in differential output voltage and

∆VCC is the noise on VCC.

Note 8: Gain stability is defined as

(AMON - AMON-NOM) / (AMON-NOM)

over the listed current range, temperature, and supply variation. Nominal gain is measured at VCC = +3.3V and +25°C.

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