Analog-devices AD604 Manual de usuario descargar pdf (Pagina 3)

AD604

SPECIFICATIONS

Each amplifier channel at Ta = 25°C, Vs = ±5 V, Rs = 50 O, Rl = 500 O, Cl = 5 pF, Vref = 2.50 V (scaling = 20 dB/V), 0 dB to 48 dB gain

range (preamplifier gain = 14 dB), VOCM = 2.5 V, C1 and C2 = 0.1 pF (see Figure 37), unless otherwise noted.

Table 1.

Parameter Conditions Min Typ Max Unit

INPUT CHARACTERISTICS

Preamplifier

Input Resistance 300 kQ

Input Capacitance 8.5

Input Bias Current -27 mA

Peak Input Voltage Preamplifier gain = 14 dB ±400 mV

Preamplifier gain = 20 dB ±200 mV

Input Voltage Noise VGN = 2.9 V, Rs = 0 Q

Preamplifier gain = 14 dB 0.8 nV/VHz

Preamplifier gain = 20 dB 0.73 nV/VHz

Input Current Noise Independent of gain 3.0 pA/VHz

Noise Figure Rs = 50 Q, f = 10 MHz, VGN = 2.9 V 2.3 dB

Rs = 200 Q, f = 10 MHz, VGN = 2.9 V 1.1 dB

DSX

Input Resistance 175 Q

Input Capacitance 3.0

Peak Input Voltage 2.5 ± 2 V

Input Voltage Noise VGN = 2.9 V

nV/VHz

Input Current Noise T3n =^9

/ A2.T^ t

pA/VHz

Nose

^^WW.DU

Is = 5 a Q, ft 10 MHz, vgN=2.9V'\

_ls = 2JLq,Vs,^ MHz, vGn,= 29J All/

/AtD i

Common-Mode Rejection Ratio f = 1 MHz, VGN = 2.65 V -20 dB

OUTPUT CHARACTERISTICS

-3 dB Bandwidth Constant with gain 40 MHz

Slew Rate VGN = 1.5 V, output = 1 V step 170 V/ps

Output Signal Range

Rl > 500 Q

2.5 ± 1.5 V

Output Impedance f = 10 MHz 2 Q

Output Short-Circuit Current

Harmonic Distortion VGN = 1V, VouT = 1V p-p

±40 mA

HD2 f = 1 MHz -54 dBc

HD3 f = 1 MHz -67 dBc

HD2 f = 10 MHz -43 dBc

HD3 f = 10 MHz -48 dBc

Two-Tone Intermodulation Distortion (IMD) VGN = 2.9 V, VouT = 1 V p-p

f = 1 MHz -74 dBc

f = 10 MHz -71 dBc

Third-Order Intercept f = 10 MHz, VGN = 2.65 V, VouT = 1 V p-p,

input referred

-12.5 dBm

1 dB Compression Point f = 1 MHz, VGN = 2.9 V, output referred 15 dBm

Channel-to-Channel Crosstalk

VouT = 1 V p-p, f = 1 MHz,

Channel 1: VGN = 2.65 V, inputs shorted,

Channel 2: VGN = 1.5 V (mid gain)

-30 dB

Group Delay Variation 1 MHz < f < 10 MHz, full gain range ±2 ns

VOCM Input Resistance 45 kQ

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