ADA4857-1(Rev0) 查看數據表（PDF） - Analog Devices
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ADA4857-1 Datasheet PDF : 20 Pages
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ADA4857-1/ADA4857-2
Parameter
POWER SUPPLY
Operating Range
Quiescent Current
Quiescent Current (Power Down)
Positive Power Supply Rejection
Negative Power Supply Rejection
Conditions
PD ≥ VCC − 2 V
+VS = 4.5 V to 5.5 V, −VS = −5 V
+VS = 5 V, −VS = −4.5 V to −5.5 V
Min Typ
4.5
5
350
−59 −62
−65 −68
Max Unit
10.5 V
5.5 mA
450 μA
dB
dB
+5 V SUPPLY
TA = 25°C, G = +2, RF = RG = 499 Ω, RL = 1 kΩ to midsupply, PD = no connect, unless otherwise noted.
Table 2.
Parameter
DYNAMIC PERFORMANCE
–3 dB Bandwidth (LFCSP/SOIC)
Full Power Bandwidth
Bandwidth for 0.1 dB Flatness (LFCSP/SOIC)
Slew Rate (10% to 90%)
Settling Time to 0.1%
NOISE/HARMONIC PERFORMANCE
Harmonic Distortion
Input Voltage Noise
Input Current Noise
DC PERFORMANCE
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
Input Bias Current Drift
Input Bias Offset Current
Open-Loop Gain
PD (Power-Down) Pin
PD Input Voltage
Turn-Off Time
Turn-On Time
PD Pin Leakage Current
INPUT CHARACTERISTICS
Input Resistance
Input Capacitance
Input Common-Mode Voltage Range
Common-Mode Rejection Ratio
Conditions
G = +1, VOUT = 0.2 V p-p
G = +1, VOUT = 2 V p-p
G = +2, VOUT = 0.2 V p-p
G = +1, VOUT = 2 V p-p, THD < −40 dBc
G = +2, VOUT = 2 V p-p, RL = 150 Ω
G = +1, VOUT = 2 V step
G = +2, VOUT = 2 V step
f = 1 MHz, G= +1, VOUT = 2 V p-p (HD2)
f = 1 MHz, G= +1, VOUT = 2 V p-p (HD3)
f = 10 MHz, G= +1, VOUT = 2 V p-p (HD2)
f = 10 MHz, G= +1, VOUT = 2 V p-p (HD3)
f = 50 MHz, G= +1, VOUT = 2 V p-p (HD2)
f = 50 MHz, G= +1, VOUT = 2 V p-p (HD3)
f = 100 kHz
f = 100 kHz
VOUT = 1.25 V to 3.75 V
Chip powered down
Chip enabled
50% off PD to <10% of final VOUT, VIN = 1 V, G = +2
50% off PD to <10% of final VOUT, VIN = 1 V, G = +2
Chip enable
Chip powered down
Common mode
Differential mode
Common mode
VCM = 2 V to 3 V
Min Typ
Max Unit
595 800/750
MHz
500/400
MHz
360/300
MHz
95
MHz
50/40
MHz
1500
V/μs
15
ns
−92
dBc
−90
dBc
−81
dBc
−71
dBc
−69
dBc
−55
dBc
4.4
nV/√Hz
1.5
pA/√Hz
±1
±4.2 mV
4.6
μV/°C
−1.7
−3.3 μA
24.5
nA/°C
50
nA
57
dB
≥(VCC − 2)
V
≤(VCC − 4.2)
V
38
μs
30
ns
8
μA
30
μA
8
MΩ
4
MΩ
2
pF
1 to 4
V
−76 −84
dB
Rev. 0 | Page 4 of 20
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