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ADA4939-1YCPZ-R7 数据表(PDF) 3 Page - Analog Devices

部件名 ADA4939-1YCPZ-R7
功能描述  Ultralow Distortion Differential ADC Driver
Download  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADA4939-1YCPZ-R7 数据表(HTML) 3 Page - Analog Devices

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ADA4939-1/ADA4939-2
Rev. 0 | Page 3 of 24
SPECIFICATIONS
5 V OPERATION
TA = 25°C, +VS = 5 V, −VS = 0 V, VOCM = +VS/2, RF = 402 Ω, RG = 200 Ω, RT = 60.4 Ω (when used), RL, dm = 1 kΩ, unless otherwise noted.
All specifications refer to single-ended input and differential outputs, unless otherwise noted. Refer to Figure 42 for signal definitions.
±DIN to VOUT, dm Performance
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
−3 dB Small Signal Bandwidth
VOUT, dm = 0.1 V p-p
1400
MHz
Bandwidth for 0.1 dB Flatness
VOUT, dm = 0.1 V p-p, ADA4939-1
300
MHz
VOUT, dm = 0.1 V p-p, ADA4939-2
90
MHz
Large Signal Bandwidth
VOUT, dm = 2 V p-p
1400
MHz
Slew Rate
VOUT, dm = 2 V p-p, 25% to 75%
6800
V/μs
Overdrive Recovery Time
VIN = 0 V to 1.5 V step, G = 3.16
<1
ns
NOISE/HARMONIC PERFORMANCE
See Figure 41 for distortion test circuit
Second Harmonic
VOUT, dm = 2 V p-p, 10 MHz
−102
dBc
VOUT, dm = 2 V p-p, 70 MHz
−83
dBc
VOUT, dm = 2 V p-p, 100 MHz
−77
dBc
Third Harmonic
VOUT, dm = 2 V p-p, 10 MHz
−101
dBc
VOUT, dm = 2 V p-p, 70 MHz
−97
dBc
VOUT, dm = 2 V p-p, 100 MHz
−91
dBc
IMD
f1 = 70 MHz, f2 = 70.1 MHz, VOUT, dm = 2 V p-p
−95
dBc
f1 = 140 MHz, f2 = 140.1 MHz, VOUT, dm = 2 V p-p
−89
dBc
Voltage Noise (RTI)
f = 100 kHz
2.3
nV/√Hz
Input Current Noise
f = 100 kHz
6
pA/√Hz
Crosstalk
f = 100 MHz, ADA4939-2
−80
dB
INPUT CHARACTERISTICS
Offset Voltage
VOS, dm = VOUT, dm/2, VDIN+ = VDIN− = 2.5 V
−3.4
±0.5
+2.8
mV
TMIN to TMAX variation
±2.0
μV/°C
Input Bias Current
−26
−10
+2.2
μA
TMIN to TMAX variation
±0.5
μA/°C
Input Offset Current
−11.2
+0.5
+11.2
μA
Input Resistance
Differential
180
Common mode
450
Input Capacitance
1
pF
Input Common-Mode Voltage
1.1
3.9
V
CMRR
∆VOUT, dm/∆VIN, cm, ∆VIN, cm = ±1 V
−83
−77
dB
OUTPUT CHARACTERISTICS
Output Voltage Swing
Maximum ∆VOUT; single-ended output, RF = RG = 10 kΩ
0.9
4.1
V
Linear Output Current
100
mA
Output Balance Error
∆VOUT, cm/∆VOUT, dm, ∆VOUT, dm = 1 V, 10 MHz,
see Figure 40 for test circuit
−64
dB


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