Datasheet AD8392A (Analog Devices)
|Description||Low Power, High Output Current, Quad Op Amp, Dual-Channel ADSL/ADSL2+ Line Driver|
|Pages / Page||13 / 1 — Low Power, High Output Current, Quad Op. Amp, Dual-Channel ADSL/ADSL2+ …|
|File Format / Size||PDF / 559 Kb|
Low Power, High Output Current, Quad Op. Amp, Dual-Channel ADSL/ADSL2+ Line Driver. Data Sheet. AD8392A. FEATURES
Text Version of Document
Low Power, High Output Current, Quad Op Amp, Dual-Channel ADSL/ADSL2+ Line Driver Data Sheet AD8392A FEATURES PIN CONFIGURATIONS Four current feedback, high current amplifiers VEE 1 28 GND Ideal for use as ADSL/ADSL2+ dual-channel central office PD0 1, 2 2 27 NIC (CO) line drivers PD1 1, 2 3 26 NIC Low power operation +VIN1 4 25 +VIN2 1 2 Power supply operation from ±5 V (+10 V) up to ±12 V (+24 V) –V 5 IN1 24 –VIN2 Less than 3 mA/amp quiescent supply current for full V 6 23 OUT1 VOUT2 V 7 CC AD8392A 22 NIC power ADSL/ADSL2+ CO applications (20.4 dBm line TOP VIEW NIC 8 21 VCC power, 5.5 CF) (Not To Scale) V 9 20 OUT3 VOUT4 Three active power modes plus shutdown –V 10 19 IN3 –VIN4 3 4 High output voltage and current drive +V 11 18 IN3 +VIN4 500 mA peak output drive current NIC 12 17 PD1 3, 4 42.6 V p-p differential output voltage NIC 13 16 PD0 3, 4 GND 14 15 V Low distortion EE −93 dBc @1 MHz second harmonic NOTES
−103 dBc @ 1 MHz third harmonic 1. NIC = NO INTERNAL CONNECTION.
2. EXPOSED PAD. CONNECT THE EXPOSED
High speed: 515 V/μs differential slew rate PAD TO GROUND PLANE.
Additional functionality of AD8392AACP
Figure 1. AD8392AARE, 28-Lead TSSOP_EP
On-chip, common-mode voltage generation APPLICATIONS 2 , 2 , 2 1 1, M 2 IN 1 1 0 1 D C IN ADSL/ADSL2+ CO line drivers EE CO +V PD PD V GN V NI +V XDSL line drivers 32 31 30 29 28 27 26 25 NIC NIC 1 24 1 2 –V –V GENERAL DESCRIPTION IN1 2 23 IN2 V 3 OUT1 22 VOUT2 NIC
The AD8392A is comprised of four high output current, low
V 4 CC AD8392A 21 TOP VIEW 5 20 NIC VCC
power consumption, operational amplifiers. It is particularly
(Not to Scale) V 6 19 V OUT3 OUT4
well suited for the CO driver interface in digital subscriber line
7 –V 18 –V IN3 IN4 3 4
systems, such as ADSL and ADSL2+. The driver is capable of
8 17 NIC NIC
providing enough power to deliver 20.4 dBm to a line, while
9 10 11 12 13 14 15 16 3 C 4 D 4 4 4
compensating for losses due to hybrid insertion and back
IN NI EE IN 3, V +V M GN 0 3, 1 3, +V
D CO D P V P NOTES
The AD8392A is available in two thermally enhanced packages,
1. NIC = NO INTERNAL CONNECTION.
2. EXPOSED PAD. CONNECT THE EXPOSED
477 a 28-lead TSSOP_EP (AD8392AARE) and a 5 mm × 5 mm,
PAD TO GROUND PLANE.
06 32-lead LFCSP (AD8392AACP). Four bias modes are available Figure 2. AD8392AACP, 5 mm × 5 mm, 32-Lead LFCSP via the use of two digital bits (PD1, PD0). Additionally, the AD8392AACP provides VCOM pins for on-chip, common-mode voltage generation. The low power consumption, high output current, high output voltage swing, and robust thermal packaging enable the AD8392A to be used as the CO line drivers in ADSL and other xDSL systems.
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS SUPPLIES, GROUNDING, AND LAYOUT POWER MANAGEMENT THERMAL CONSIDERATIONS TYPICAL ADSL/ADSL2+ APPLICATION MULTITONE POWER RATIO OUTLINE DIMENSIONS ORDERING GUIDE NOTES