ada4939-1 Analog Devices, Inc., ada4939-1 Datasheet - Page 5

• Manufacturer Part Number: ada4939-1
• Description: Ultralow Distortion Differential Adc Driver
• Manufacturer: Analog Devices, Inc.

3.3 V OPERATION
T
All specifications refer to single-ended input and differential outputs, unless otherwise noted. Refer to Figure 42 for signal definitions.
±D
Table 4.
Parameter
DYNAMIC PERFORMANCE
NOISE/HARMONIC PERFORMANCE
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
A
−3 dB Small Signal Bandwidth
Bandwidth for 0.1 dB Flatness
Large Signal Bandwidth
Slew Rate
Overdrive Recovery Time
Second Harmonic
Third Harmonic
IMD
Voltage Noise (RTI)
Input Current Noise
Crosstalk
Offset Voltage
Input Bias Current
Input Offset Current
Input Resistance
Input Capacitance
Input Common-Mode Voltage
CMRR
Output Voltage Swing
Linear Output Current
Output Balance Error
= 25°C, +V
IN
to V
OUT, dm
S
= 3.3 V, −V
Performance
S
= 0 V, V
OCM
= +V
Conditions
V
V
V
V
V
V
See Figure 41 for distortion test circuit
V
V
V
V
V
V
f
f
f = 100 kHz
f = 100 kHz
f = 100 MHz, ADA4939-2
V
T
T
Differential
Common mode
∆V
Maximum ∆V
∆V
see Figure 40 for test circuit
1
1
OUT, dm
OUT, dm
OUT, dm
OUT, dm
OUT, dm
IN
OUT, dm
OUT, dm
OUT, dm
OUT, dm
OUT, dm
OUT, dm
OS, dm
MIN
MIN
= 70 MHz, f
= 140 MHz, f
OUT, dm
OUT, cm
= 0 V to 1.0 V step, G = 3.16
to T
to T
S
/2, R
= V
= 0.1 V p-p
= 0.1 V p-p, ADA4939-1
= 0.1 V p-p, ADA4939-2
= 2 V p-p
= 2 V p-p, 25% to 75%
= 2 V p-p, 10 MHz
= 2 V p-p, 70 MHz
= 2 V p-p, 100 MHz
= 2 V p-p, 10 MHz
= 2 V p-p, 70 MHz
= 2 V p-p, 100 MHz
/∆V
MAX
MAX
/∆V
OUT, dm
F
variation
variation
OUT, dm
IN, cm
= 402 Ω, R
2
OUT
= 70.1 MHz, V
2
/2, V
, ∆V
= 140.1 MHz, V
, single-ended output, R
, ∆V
DIN+
IN, cm
OUT, dm
Rev. 0 | Page 5 of 24
G
= V
= ±1 V
= 200 Ω, R
DIN−
= 1 V, f = 10 MHz,
OUT, dm
= +V
OUT, dm
= 2 V p-p
S
/2
T
= 2 V p-p
= 60.4 Ω (when used), R
F
= R
G
= 10 kΩ
ADA4939-1/ADA4939-2
L, dm
Min
−3.5
−26
−11.2
0.9
0.8
= 1 kΩ, unless otherwise noted.
Typ
1400
300
90
1400
5000
<1
−100
−90
−83
−94
−82
−75
−87
−70
2.3
6
−80
±0.5
±2.0
−10
±0.5
±0.4
180
450
1
−85
75
−61
Max
+3.5
+2.2
+11.2
2.4
−75
2.5
Unit
MHz
nV/√Hz
kΩ
pF
MHz
MHz
MHz
V/μs
ns
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
pA/√Hz
dB
mV
μV/°C
μA
μA/°C
kΩ
V
dB
V
mA
dB