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AD8129ARM-AD8130ARM
Low-Cost 270 MHz Differential Receiver Amplifiers
REV.0
Low-Cost 270 MHz
Differential Receiver Amplifiers
CONNECTION DIAGRAM
(Top View)
SO-8 (R) and Micro_SO-8 (RM)
FEATURES
High Speed
AD8130: 270 MHz, 1090 V/�s @ G = 1
AD8129: 200 MHz, 1060 V/�s @ G = 10
High CMRR
94 dB Min, DC to 100 kHz
80 dB Min @ 2 MHz
70 dB @ 10 MHz
High-Input Impedance: 1 M� Differential
Input Common-Mode Range �10.5 V
Low Noise
AD8130: 12.5 nV/√Hz
AD8129: 4.5 nV/√Hz
Low Distortion, 1 V p-p @ 5 MHz:
AD8130, –79 dBc Worst Harmonic @ 5 MHz
AD8129, –74 dBc Worst Harmonic @ 5 MHz
User-Adjustable Gain
No External Components for G = 1
Power Supply Range +4.5 V to �12.6 V
Power-Down
APPLICATIONS
High-Speed Differential Line Receiver
Differential-to-Single-Ended Converter
High-Speed Instrumentation Amp
Level-Shifting
GENERAL DESCRIPTIONThe AD8129 and AD8130 are designed as receivers for the
transmission of high-speed signals over twisted-pair cables to
work with the AD8131 or AD8132 drivers. Either can be
used for analog or digital video signals and for high-speed
data transmission. The AD8129 and AD8130 are differential-
to-single-ended amplifiers with extremely high CMRR at high
frequency. Therefore, they can also be effectively used as
high-speed instrumentation amps or for converting differential
signals to single-ended signals.
The AD8129 is a low-noise high-gain (10 or greater) version
intended for applications over very long cables where signal
attenuation is significant. The AD8130 is stable at a gain of one
and can be used for those applications where lower gains are
required. Both have user adjustable gain to help compensate for
losses in the transmission line. The gain is set by the ratio of
two resistor values. The AD8129 and AD8130 have very high
input impedance on both inputs regardless of the gain setting.
The AD8129 and AD8130 have excellent common-mode rejec-
tion (70 dB @ 10 MHz) allowing the use of low cost unshielded
twisted-pair cables without fear of corruption by external noise
sources or crosstalk.
The AD8129 and AD8130 have a wide power supply range
from single 5 V supply to ±12 V, allowing wide common-mode
and differential-mode voltage ranges while maintaining signal
integrity. The wide common-mode voltage range will enable
the driver receiver pair to operate without isolation transform-
ers in many systems where the ground potential difference
between drive and receive locations is many volts. The AD8129
and AD8130 have considerable cost and performance improve-
ments over op amps and other multi-amplifier receiving solutions.
Figure 1.AD8129 CMRR vs. Frequency
VIN
VOUT = VIN [1+(RF/RG)]
+VS
–VSFigure 2.Typical Connection Configuration
AD8129/AD8130–SPECIFICATIONS
(AD8129 G = 10, AD8130 G = 1, TA = 25�C, VS = �5 V, REF = 0 V, PD ≥ VIH, RL = 1 k�, CL = 2 pF, unless
otherwise noted. TMIN to TMAX = –40�C to +85�C, unless otherwise noted.)�5 V SPECIFICATIONS
AD8129/AD8130
(AD8129 G = 10, AD8130 G = 1, TA = 25�C, VS = �12 V, REF = 0 V, PD ≥ VIH, RL = 1 k�, CL = 2 pF,
unless otherwise noted. TMIN to TMAX = –40�C to +85�C, unless otherwise noted.)�12 V SPECIFICATIONS
OUTPUT PERFORMANCE
POWER SUPPLY
AD8129/AD8130–SPECIFICATIONSOUTPUT PERFORMANCE
POWER SUPPLY
PD PIN
(AD8129 G = 10, AD8130 G = 1, TA = 25�C, +VS = 5 V, –VS = 0 V, REF = 2.5 V, PD ≥ VIH, RL = 1 k�, CL = 2 pF
unless otherwise noted. TMIN to TMAX = –40�C to +85�C, unless otherwise noted.)5 V SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS1, 2Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26.4 V
Power Dissipation . . . . . . . . . . . . . . . . . . . . . Refer to Figure 3
Input Voltage (Any Input) . . . . . . . –VS – 0.3 V to +VS + 0.3 V
Differential Input Voltage (AD8129)3 VS ≥ ±11.5 V . . . ±0.5 V
Differential Input Voltage (AD8129)3 VS < ±11.5 V . . .±6.2 V
Differential Input Voltage (AD8130) . . . . . . . . . . . . . . ±8.4 V
Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering 10 sec) . . . . . . . . . . . . . . 300°C
NOTES
1Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other condition s above those indicated in the operational
section of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
2Thermal Resistance measured on SEMI standard 4-layer board.
8-Lead SOIC: θJA= 121°C/W; 8-Lead Micro_SO: θJA = 142°C/W
3Refer to Applications section, Extreme Operating Condition, and Power Dissipation.
ORDERING GUIDENOTES13" Reel of 2500 each.7" Reel of 1000 each.13" Reel of 3000 each.
CAUTIONESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection. Although
Figure 3.Maximum Power Dissipation vs. Temperature
CONNECTION DIAGRAM
(Top View)
SO-8 (R) and Micro_SO-8 (RM)
AD8129/AD8130TPC 1.AD8130 Frequency Response
vs. Supply, VOUT = 0.3 V p-p
TPC 4.AD8130 Frequency Response
vs. Load Capacitance
TPC 7.AD8130 Frequency Response
vs. Supply, RL = 150 Ω
TPC 2.AD8130 Frequency Response
vs. Supply, VOUT = 1 V p-p
TPC 5.AD8130 Fine Scale Response
vs. Supply, RL = 1 kΩ
TPC 8.AD8130 Frequency Response
vs. Supply, G = 2, VOUT = 0.3 V p-p
TPC 3.AD8130 Frequency Response
vs. Supply, VOUT = 2 V p-p
TPC 6.AD8130 Fine Scale Response
vs. Supply, RL = 150 Ω
TPC 9.AD8130 Frequency Response
vs. Supply, G = 2, VOUT = 2 V p-p
AD8130 Frequency Response Characteristics
(G = 1, RL = 1 k�, CL = 2 pF, VOUT = 0.3 V p-p, TA = 25�C, unless otherwise noted.)
TPC 10.AD8130 Frequency
Response for Various RF/RG
TPC 13.AD8130 Frequency Response
vs. Supply, G = 2, RL = 150 Ω
TPC 16.AD8130 Frequency Response
vs. Supply, G = 5, G = 10, RL = 150 Ω
TPC 11.AD8130 Fine Scale Response
vs. Supply, G = 2, RL = 1 kΩ
TPC 14.AD8130 Fine Scale Response
vs. Supply, G = 5, G = 10, VOUT = 2 V p-p
TPC 17.AD8130 Frequency Response
for Various Output Levels
TPC 12.AD8130 Fine Scale Response
vs. Supply, G = 2, RL = 150 Ω
TPC 15.AD8130 Frequency Response
vs. Supply, G = 5, G = 10, VOUT = 2 V p-p
TPC 18.AD8130 Basic Frequency
Response Test Circuit
AD8129/AD8130TPC 19.AD8129 Frequency Response
vs. Supply, VOUT = 0.3 V p-p
TPC 22.AD8129 Frequency Response
vs. Load Capacitance
TPC 25.AD8129 Frequency Response
vs. Supply, RL = 150 Ω
TPC 20.AD8129 Frequency Response
vs. Supply, VOUT = 1 V p-p
TPC 23.AD8129 Fine Scale Response
vs. Supply, RL = 1 kΩ
TPC 26.AD8129 Frequency Response
vs. Supply, G = 20, VOUT = 0.3 V p-p
TPC 21.AD8129 Frequency Response
vs. Supply, VOUT = 2 V p-p
TPC 24.AD8129 Fine Scale Response
vs. Supply, RL = 150 Ω
TPC 27.AD8129 Frequency Response
vs. Supply, G = 20, VOUT = 2 V p-p
AD8129 Frequency Response Characteristics
(G = 10, RL = 1 k�, CL = 2 pF, VOUT = 0.3 V p-p, TA = 25�C, unless otherwise noted.)
TPC 28.AD8129 Fine Scale Response
vs. SOIC and µSOIC for Various RF/RG
TPC 31.AD8129 Frequency Response
vs. Supply, G = 20, RL = 150 Ω
TPC 34.AD8129 Frequency Response
vs. Supply, G = 50, G = 100,
RL = 150 Ω
TPC 29.AD8129 Fine Scale Response
vs. Supply
TPC 32.AD8129 Fine Scale Response
vs. Supply, G = 50, G = 100,
VOUT = 2 V p-p
TPC 35.AD8129 Frequency Response
for Various Output Levels
TPC 30.AD8129 Fine Scale Response
vs. Supply
TPC 33.AD8129 Frequency Response
vs. Supply, G = 50, G = 100,
VOUT = 2 V p-p
TPC 36.AD8129 Basic Frequency
Response Test Circuit
AD8129/AD8130TPC 37.AD8130 Second Harmonic
Distortion vs. Frequency
TPC 40.AD8130 Third Harmonic
Distortion vs. Frequency
TPC 43.AD8130 Second Harmonic
Distortion vs. Frequency
TPC 38.AD8130 Second Harmonic
Distortion vs. Frequency
TPC 41.AD8130 Third Harmonic
Distortion vs. Frequency
TPC 44.AD8130 Third Harmonic
Distortion vs. Frequency
TPC 39.AD8130 Second Harmonic
Distortion vs. Output Voltage
TPC 42.AD8130 Third Harmonic
Distortion vs. Output Voltage
TPC 45.AD8130 Harmonic Distortion
vs. Output Voltage
AD8130 Harmonic Distortion Characteristics
(RL = 1 k�, CL = 2 pF, TA = 25�C, unless otherwise noted.)
TPC 46.AD8129 Second Harmonic
Distortion vs. Frequency
TPC 49.AD8129 Third Harmonic
Distortion vs. Frequency
TPC 52.AD8129 Second Harmonic
Distortion vs. Frequency
TPC 47.AD8129 Second Harmonic
Distortion vs. Frequency
TPC 50.AD8129 Third Harmonic
Distortion vs. Frequency
TPC 53.AD8129 Third Harmonic
Distortion vs. Frequency
TPC 48.AD8129 Second Harmonic
Distortion vs. Output Voltage
TPC 51.AD8129 Third Harmonic
Distortion vs. Output Voltage
TPC 54.AD8129 Harmonic Distor-
tion vs. Output Voltage
AD8129 Harmonic Distortion Characteristics
(RL = 1 k�, CL = 2 pF, TA = 25�C, unless otherwise noted.)
AD8129/AD8130TPC 55.AD8130 Harmonic Distortion
vs. Common-Mode Voltage
TPC 58.AD8129 Harmonic Distortion
vs. Common-Mode Voltage
TPC 61.AD8129/AD8130 Basic Distor-
tion Test Circuit, VCM = 0 V Unless
Otherwise Noted
TPC 56.AD8130 Harmonic Distortion
vs. Load Resistance
TPC 59.AD8129 Harmonic Distortion
vs. Load Resistance
TPC 62.AD8129/AD8130 Input
Current Noise vs. Frequency
TPC 57.AD8130 Harmonic Distortion
vs. Load Resistance
TPC 60.AD8129 Harmonic Distortion
vs. Load Resistance
TPC 63.AD8129/AD8130 Input
Voltage Noise vs. Frequency
TPC 64.AD8130 Common-Mode
Rejection vs. Frequency
TPC 67.AD8129 Common-Mode
Rejection vs. Frequency
TPC 70.AD8130 Open Loop Gain
and Phase vs. Frequency
TPC 65.AD8130 Positive Power
Supply Rejection vs. Frequency
TPC 68.AD8129 Positive Power
Supply Rejection vs. Frequency
TPC 71.AD8129 Open Loop Gain
and Phase vs. Frequency
TPC 66.AD8130 Negative Power
Supply Rejection vs. Frequency
TPC 69.AD8129 Negative Power
Supply Rejection vs. Frequency
TPC 72.Closed-Loop Output
Impedance vs. Frequency
AD8129/AD8130TPC 73.AD8130 Transient Response,
VS = ±2.5 V, VOUT = 1 V p-p
TPC 76.AD8130 Transient Response
vs. Supply, VOUT = 0.2 V p-p
TPC 79.AD8130 Transient Response
vs. Load Capacitance, VOUT = 0.2V p-p
TPC 74.AD8130 Transient Response,
VS = ±5 V, VOUT = 1 V p-p
TPC 77.AD8130 Transient Response
vs. Supply, VOUT = 1 V p-p, CL = 5 pF
TPC 80.AD8130 Transient Response
vs. Output Amplitude,
VOUT = 0.5 V p-p, 1 V p-p, 2 V p-p
TPC 75.AD8130 Transient Response,
VS = ±12 V, VOUT = 1 V p-p
TPC 78.AD8130 Transient Response
vs. Supply, VOUT = 2 V p-p, CL = 5 pF
TPC 81.AD8130 Transient Response
vs. Output Amplitude,
VOUT = 1 V p-p, 2 V p-p, 4 V p-p
AD8130 Transient Response Characteristics
(G = 1, RL = 1 k�, CL = 2 pF, VS = �5 V, TA = 25�C, unless otherwise noted.)
