AD8123ACPZ-R7 datasheet(3/16 Pages) AD

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Data Sheet

AD8123

Rev. B | Page 3 of 16

SPECIFICATIONS

TA = 25°C, VS = ±5 V, RL = 150 Ω, Belden Cable (BL-7987R), VOFFSET = 0 V, VPEAK, VGAIN, and VPOLE are set to recommended settings shown in

Figure 17, unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

PEAKING PERFORMANCE (NO CABLE)

Peak Frequency

VPEAK = 2 V, VGAIN = 0.6 V, VPOLE = 1 V

100

MHz

VPEAK = 2 V, VGAIN = 0.6 V, VPOLE = 2 V

105

MHz

Peak Gain

VPEAK = 2 V, VGAIN = 0.6 V, VPOLE = 1 V

VPEAK = 2 V, VGAIN = 0.6 V, VPOLE = 2 V

DYNAMIC PERFORMANCE

10% to 90% Rise/Fall Time

VOUT = 2 V step, 150 meters Cat-5

4.9

VOUT = 2 V step, 300 meters Cat-5

8.0

Settling Time to 2%

VOUT = 2 V step, 150 meters Cat-5

VOUT = 2 V step, 300 meters Cat-5

106

–3 dB Large Signal Bandwidth

VOUT = 1 V p-p, <10 meters Cat-5

120

MHz

VOUT = 2 V p-p, <10 meters Cat-5

110

MHz

VOUT = 2 V p-p, 150 meters Cat-5

MHz

VOUT = 2 V p-p, 300 meters Cat-5

MHz

Integrated Output Voltage Noise

150 meter setting, integrated to 160 MHz

2.5

mV rms

300 meter setting, integrated to 160 MHz

mV rms

INPUT DC PERFORMANCE

Input Voltage Range

−IN and +IN

±3.0

Maximum Differential Voltage Swing

V p-p

Voltage Gain

ΔVO/ΔVI, VGAIN set for 0 meters of cable

V/V

Common-Mode Rejection Ratio (CMRR)

At dc, VPEAK = VGAIN = VPOLE = 0 V

−86

At dc, VPEAK = VGAIN = VPOLE = 2 V

−67

At 1 MHz, VPEAK = VGAIN = VPOLE = 2 V

−52

Input Resistance

Common mode

4.4

MΩ

Differential

3.7

MΩ

Input Capacitance

Common mode

1.0

Differential

0.5

Input Bias Current

2.4

µA

VOFFSET Pin Current

28.9

µA

VGAIN Pin Current

0.5

µA

VPEAK Pin Current

0.4

µA

VPOLE Pin Current

0.4

µA

ADJUSTMENT PINS

VPEAK Input Voltage Range

Relative to GND

0 to 2

VPOLE Input Voltage Range

Relative to GND

0 to 2

VGAIN Input Voltage Range

Relative to GND

0 to 2

VOFFSET to OUT Gain

OUT/VOFFSET, range limited by output swing

V/V

Maximum Flat Gain

VGAIN = 2 V

OUTPUT CHARACTERISTICS

Output Voltage Swing

150 Ω load

−3.75 to +3.69

1 kΩ load

−3.66 to +3.69

Output Offset Voltage

Referred to output, VPEAK = VGAIN = VPOLE = 0 V

Referred to output, VPEAK = VGAIN = VPOLE = 2 V

Output Offset Voltage Drift

Referred to output

µV/°C

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