AD8138 Datasheet, PDF (2/16 Pages) Analog Devices – Low Distortion Differential ADC Driver

AD8138–SPECIFICATIONS (@ 25؇C, V_S = ؎5 V, V_OCM = 0, G = +1, R_L,dm = 500 ⍀, unless otherwise noted. Refer
to Figure 1 for test setup and label descriptions. All specifications refer to single-ended input and differential outputs unless otherwise noted.)
Parameter
Conditions
Min Typ
Max
؎D_IN to ؎OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Small Signal Bandwidth
Bandwidth for 0.1 dB Flatness
Large Signal Bandwidth
Slew Rate
Settling Time
Overdrive Recovery Time
V_OUT = 0.5 V p-p, C_F = 0 pF
V_OUT = 0.5 V p-p, C_F = 1 pF
V_OUT = 0.5 V p-p, C_F = 0 pF
V_OUT = 2 V p-p, C_F = 0 pF
V_OUT = 2 V p-p, C_F = 0 pF
0.01%, V_OUT = 2 V p-p, C_F = 1 pF
V_IN = 5 V to 0 V Step, G = +2
NOISE/HARMONIC PERFORMANCE*
Second Harmonic
Third Harmonic
IMD
IP3
Voltage Noise (RTI)
Input Current Noise
V_OUT = 2 V p-p, 5 MHz, R_L,dm = 800 W
V_OUT = 2 V p-p, 20 MHz, R_L,dm = 800 W
V_OUT = 2 V p-p, 70 MHz, R_L,dm = 800 W
V_OUT = 2 V p-p, 5 MHz, R_L,dm = 800 W
V_OUT = 2 V p-p, 20 MHz, R_L,dm = 800 W
V_OUT = 2 V p-p, 70 MHz, R_L,dm = 800 W
20 MHz
20 MHz
f = 100 kHz to 40 MHz
f = 100 kHz to 40 MHz
290 320
225
30
265
1150
16
4
–94
–87
–62
–114
–85
–57
–77
37
5
2
INPUT CHARACTERISTICS
Offset Voltage
Input Bias Current
Input Resistance
Input Capacitance
Input Common-Mode Voltage
CMRR
OUTPUT CHARACTERISTICS
Output Voltage Swing
Output Current
Output Balance Error
V_OCM to ؎OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Bandwidth
Slew Rate
V_OS,dm = V_OUT,dm/2; V_DIN+ = V_DIN– = V_OCM = 0 V
T_MIN to T_MAX Variation
T_MIN to T_MAX Variation
Differential
Common Mode
DV_OUT,dm/DV_IN,cm; DV_IN,cm = ± 1 V
–2.5
±1
+2.5
±4
3.5
7
–0.01
6
3
1
–4.7 to +3.4
–77
–70
Maximum DV_OUT; Single-Ended Output
DV_OUT,cm/DV_OUT,dm; DV_OUT,dm = 1 V
7.75
95
–66
250
330
NPUT VOLTAGE NOISE (RTI)
f = 0.1 MHz to 100 MHz
17
DC PERFORMANCE
Input Voltage Range
Input Resistance
Input Offset Voltage
Input Bias Current
V_OCM CMRR
Gain
POWER SUPPLY
Operating Range
Quiescent Current
Power Supply Rejection Ratio
OPERATING TEMPERATURE RANGE
V_OS,cm = V_OUT,cm; V_DIN+ = V_DIN– = V_OCM = 0 V
DV_OUT,dm/DV_OCM; DV_OCM = ± 1 V
DV_OUT,cm/DV_OCM; DV_OCM = ± 1 V
T_MIN to T_MAX Variation
DV_OUT,dm/DV_S; DV_S = ± 1 V
± 3.8
200
–3.5 ± 1
0.5
–75
0.9955 1
± 1.4
18
20
40
–90
–40
+3.5
1.0045
± 5.5
23
–70
+85
*Harmonic Distortion Performance is equal or slightly worse with higher values of R _L,dm. See TPCs 13 and 14 for more information.
Specifications subject to change without notice.
Unit
MHz
MHz
MHz
MHz
V/ms
ns
ns
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBm
nV/÷Hz
pA/÷Hz
mV
mV/∞C
mA
mA/∞C
MW
MW
pF
V
dB
V p-p
mA
dB
MHz
V/ms
nV/÷Hz
V
kW
mV
mA
dB
V/V
V
mA
mA/∞C
dB
∞C
–2–
REV. E