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AD9617JN-AD9617JR
Low Distortion, Precision, Wide Bandwidth Op Amp
REV.B
Low Distortion, Precision,
Wide Bandwidth Op Amp
FEATURES
Usable Closed-Loop Gain Range: 61 to 640
Low Distortion: –67 dBc (2nd) at 20 MHz
Small Signal Bandwidth:190 MHz (AV = +3)
Large Signal Bandwidth:150 MHz at 4 V p-p
Settling Time: 10 ns to 0.1%; 14 ns to 0.02%
Overdrive and Output Short Circuit Protected
Fast Overdrive Recovery
DC Nonlinearity 10 ppm
APPLICATIONS
Driving Flash Converters
D/A Current-to-Voltage Converters
IF, Radar Processors
Baseband and Video Communications
Photodiode, CCD Preamps
PIN CONFIGURATION*
–INPUT
+INPUT
–VS
+VS
OUTPUT
NC = NO CONNECT
*OPTIONAL +VS **OPTIONAL –VS
NOTE:
FOR BEST SETTLING TIME AND DISTORTION
PERFORMANCE, USE OPTIONAL SUPPLY
CONNECTIONS. PERFORMANCE INDICATED
IN SPECIFICATIONS IS BASED ON SUPPLY
CONNECTIONS TO THESE PINS.
GENERAL DESCRIPTIONThe AD9617 is a current feedback amplifier which utilizes a
proprietary architecture to produce superior distortion and dc
precision. It achieves this along with fast settling, very fast slew
rate, wide bandwidth (both small signal and large signal) and
exceptional signal fidelity. The device achieves –67 dBc 2nd
harmonic distortion at 20 MHz while maintaining 190 MHz
small signal and 150 MHz large signal bandwidths.
These attributes position the AD9617 as an ideal choice for
driving flash ADCs and buffering the latest generation of
DACs. Optimized for applications requiring gain between ±1
to ±15, the AD9617 is unity gain stable without external
compensation.
The AD9617 offers outstanding performance in high fidelity,
wide bandwidth applications in instrumentation ranging from
network and spectrum analyzers to oscilloscopes, and in military
systems such as radar, SIGINT and ESM systems. The superior
slew rate, low overshoot and fast settling of the AD9617 allow the
device to be used in pulse applications such as communications
receivers and high speed ATE. Most monolithic op amps suffer
in these precision pulse applications due to slew rate limiting.
The AD9617J operates over the range of 0°C to +70°C and is
available in either an 8-lead plastic DIP or an 8-1ead plastic
small outline package (SOIC).
AD9617–SPECIFICATIONS
DC ELECTRICAL CHARACTERISTICSNOTES
*Pending obsoletion: last-time buy October 25, 1999.Measured with respect to the inverting input.Typical is defined as the mean of the distribution.Measured in voltage follower configuration.Measured with VIN = +0.25 V.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS1Supply Voltages (±VS) . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
Common-Mode Input Voltage . . . . . . . . . . . . . . . . . . . . . ±Vs
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . 3 V
Continuous Output Current2 . . . . . . . . . . . . . . . . . . . . . 70 mA
Operating Temperature Ranges
AD9617JN/JR . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Storage Temperature
AD9617JN/JR . . . . . . . . . . . . . . . . . . . . . –65°C to +125°C
Junction Temperature3
AD9617JN/JR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Lead Soldering Temperature (10 Seconds) . . . . . . . . . +300°C
NOTESAbsolute maximum ratings are limiting values to be applied individually and
beyond which the serviceability of the circuit may be impaired. Functional
operability is not necessarily implied. Exposure to absolute maximum rating
conditions for an extended period of time may affect device reliability.Output is short circuit protected to ground, but not to supplies. Continuous
short circuit to ground may affect device reliability.Typical thermal impedances (part soldered onto board):
Plastic DIP: qJA = 140°C/W; qJC = 30°C/W. SOIC Package: qJA = 155°C/W;
qJC = 40°C/W.
(Unless otherwise noted, AV = +3; 6VS = 65 V; RF = 400V; RLOAD = 100V)
AD9617
AC ELECTRICAL CHARACTERISTICSNOTES
*Pending obsoletion: last-time buy October 25, 1999.Frequency = 4.3 MHz; RL = 150 Ω; AV = +3.
Specifications subject to change without notice.
(Unless otherwise noted, AV = +3; 6VS = 65 V; RF = 400V; RLOAD = 100V)
AD9617
EXPLANATION OF TEST LEVELS
Test Level-100% production tested.-100% production tested at +25°C and sample tested at
specified temperatures. AC testing of J grade devices done
on sample basis.
III-Sample tested only.-Parameter is guaranteed by design and characterization
testing.-Parameter is a typical value only.-All devices are 100% production tested at +25°C. 100%
production tested at temperature extremes for extended
temperature devices; sample tested at temperature ex-
tremes for commercial/industrial devices.
ORDERING GUIDE
DIE CONNECTIONS
+VS
–VS–VS
–INPUT
+INPUT
+VS
OUTPUT
DIE SIZE = 53 3 67 3 15 mils
Typical Performance Characteristics(AV = +3; 6VS = 65 V; RF = 400 V, unless otherwise noted)
FREQUENCY – MHz
MAGNITUDE – dB80120160200
PHASE – DegreesFigure 1.Noninverting Frequency Response
Figure 2.Inverting Frequency Response
Figure 3.Open Loop Transimpedance Gain
Figure 4.CMRR and PSRR
Figure 5.Settling Time
Figure 6.Long Term Settling Time
AD9617
FREQUENCY – MHz
–dBc610
1004060100Figure 7.Harmonic Distortion
Figure 8.Frequency Response vs. RLOAD
FREQUENCY – MHz
pA/ Hz10k100k
nV/ HzFigure 9.Equivalent Input Noise
FREQUENCY – MHz
INTERCEPT – +dBm6090120150Figure 10.Intermodulation Distortion (IMD)
10ns/DIV
ANALOG INPUT – Volts
–2.5Figure 11.Large Signal Pulse Response
10ns/DIV
ANALOG INPUT – Volts
–1.0Figure 12.Small Signal Pulse Response
