ADA4940-1_16 Datasheet, PDF (4/30 Pages) Analog Devices – Ultralow Power, Low Distortion, Fully Differential ADC Drivers

ADA4940-1/ADA4940-2
Data Sheet
SPECIFICATIONS
VS = 5 V
VOCM = midsupply, RF = RG = 1 kΩ, RL, dm = 1 kΩ, TA = 25°C, LFCSP package, unless otherwise noted. TMIN to TMAX = −40°C to +125°C.
(See Figure 61 for the definition of terms.)
+DIN or –DIN to VOUT, dm Performance
Table 3.
Parameter
DYNAMIC PERFORMANCE
−3 dB Small Signal Bandwidth
−3 dB Large Signal Bandwidth
Bandwidth for 0.1 dB Flatness
Slew Rate
Settling Time to 0.1%
Overdrive Recovery Time
NOISE/HARMONIC PERFORMANCE
HD2/HD3
IMD3
Input Voltage Noise
Input Current Noise
Crosstalk
INPUT CHARACTERISTICS
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
Input Bias Current Drift
Input Offset Current
Input Common-Mode Voltage Range
Test Conditions/Comments
VOUT, dm = 0.1 V p-p, G = 1
VOUT, dm = 0.1 V p-p, G = 2
VOUT, dm = 0.1 V p-p, G = 5
VOUT, dm = 2 V p-p, G = 1
VOUT, dm = 2 V p-p, G = 2
VOUT, dm = 2 V p-p, G = 5
VOUT, dm = 2 V p-p, G = 1 and G = 2
VOUT, dm = 2 V step
VOUT, dm = 2 V step
G = 2, VIN, dm = 6 V p-p, triangle wave
VOUT, dm = 2 V p-p, fC = 10 kHz
VOUT, dm = 2 V p-p, fC = 50 kHz
VOUT, dm = 2 V p-p, fC = 50 kHz, G = 2
VOUT, dm = 2 V p-p, fC = 1 MHz
VOUT, dm = 2 V p-p, fC = 1 MHz, G = 2
VOUT, dm = 2 V p-p, f1 = 1.9 MHz, f2 = 2.1 MHz
f = 100 kHz
f = 100 kHz
VOUT, dm = 2 V p-p, fC = 1 MHz
VIP = VIN = VOCM = 0 V
TMIN to TMAX
TMIN to TMAX
Input Resistance
Input Capacitance
Common-Mode Rejection Ratio (CMRR)
Open-Loop Gain
OUTPUT CHARACTERISTICS
Output Voltage Swing
Differential
Common mode
ΔVOS, dm/ΔVIN, cm, ∆VIN, cm = ±1 V dc
Each single-ended output
Linear Output Current
Output Balance Error
f = 1 MHz, RL, dm = 22 Ω, SFDR = −60 dBc
f = 1 MHz, ΔVOUT, cm/ΔVOUT, dm
Min
Typ
Max Unit
260
MHz
220
MHz
75
MHz
25
MHz
22
MHz
19
MHz
14.5
MHz
95
V/µs
34
ns
86
ns
−125/−118
−123/−126
−124/−117
−102/−96
−100/–92
−99
3.9
0.81
−110
dBc
dBc
dBc
dBc
dBc
dBc
nV/√Hz
pA/√Hz
dB
−0.35
−1.6
−500
86
91
±0.06
1.2
−1.1
−4.5
±50
−VS − 0.2 to
+VS − 1.2
33
50
1
119
99
+0.35
+500
mV
µV/°C
µA
nA/°C
nA
V
kΩ
MΩ
pF
dB
dB
−VS + 0.1 to −VS + 0.07 to
+VS − 0.1
+VS − 0.07
46
−65
−60
V
mA peak
dB
Rev. D | Page 4 of 30