AD8392 Datasheet, PDF (1/16 Pages) Analog Devices – Low Power, High Output Current, Quad Op Amp, Dual-Channel ADSL/ADSL2+ Line Driver

Low Power, High Output Current, Quad Op Amp,
Dual-Channel ADSL/ADSL2+ Line Driver
AD8392
FEATURES
Four current feedback, high current amplifiers
Ideal for use as ADSL/ADSL2+ dual-channel Central Office
(CO) line drivers
Low power operation
Power supply operation from ±5 V (+10 V) up to ±12 V (+24 V)
Less than 3 mA/Amp quiescent supply current for full
power ADSL/ADSL2+ CO applications (20.4 dBm line
power, 5.5 CF)
Three active power modes plus shutdown
High output voltage and current drive
400 mA peak output drive current
44 V p-p differential output voltage
Low distortion
−72 dBc @1 MHz second harmonic
−82 dBc @ 1 MHz third harmonic
High speed: 900 V/µs differential slew rate
Additional functionality of AD8392ACP
On-chip common-mode voltage generation
APPLICATIONS
ADSL/ADSL2+ CO line drivers
XDSL line drives
High output current, low distortion amplifiers
DAC output buffer
GENERAL DESCRIPTION
The AD8392 is comprised of four high output current, low
power consumption, operational amplifiers. It is particularly
well suited for the CO driver interface in digital subscriber line
systems, such as ADSL and ADSL2+. The driver is capable of
providing enough power to deliver 20.4 dBm to a line, while
compensating for losses due to hybrid insertion and back
termination resistors. In addition, the low distortion, fast slew
rate, and high output current capability make the AD8392 ideal
for many other applications, including medical, instrumenta-
tion, DAC output drivers, and other high peak current circuits.
The AD8392 is available in two thermally enhanced packages, a
28-lead TSSOP EP (AD8392ARE) and a 5 mm × 5 mm 32-lead
LFCSP (AD8392ACP). Four bias modes are available via the use
of two digital bits (PD1, PD0).
PIN CONFIGURATIONS
V_EE1, 2 1
PD0 1, 2 2
PD1 1, 2 3
+V_IN1 4
–V_IN1 5
V_OUT1 6
V_CC1, 2 7
NC 8
V_OUT3 9
–V_IN3 10
+V_IN3 11
NC 12
NC 13
GND 14
1
2
AD8392
3
4
28 GND
27 NC
26 NC
25 +V_IN2
24 –V_IN2
23 V_OUT2
22 NC
21 V_CC3, 4
20 V_OUT4
19 –V_IN4
18 +V_IN4
17 _{PD1 3, 4}
16 _{PD0 3, 4}
15 V_EE3, 4
NC = NO CONNECT
Figure 1. AD8392ARE, 28-Lead TSSOP/EP
32 31 30 29 28 27 26 25
NC 1
–V_IN1 2
V_OUT1 3
V_CC1, 2 4
NC ⁵
V_OUT3 6
–V_IN3 7
NC ⁸
1
2
AD8392
3
4
24 NC
23 –V_IN2
22 V_OUT2
21 NC
20 V_CC3, 4
19 V_OUT4
18 –V_IN4
17 NC
9 10 11 12 13 14 15 16
Figure 2. AD8392ACP, 32-Lead LFCSP 5 mm × 5 mm
Additionally, the AD8392ACP 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 AD8392
to be used as the CO line drivers in ADSL and other xDSL sys-
tems, as well as other high current, single-ended or differential
amplifier applications.
Rev. 0
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