19-2299; Rev 0; 1/02
ADSL Drivers/Receivers for Customer Premise
Equipment
General Description
The MAX4361/MAX4362/MAX4363 are a family of high-
performance ADSL drivers and drivers/receivers ideal
for the upstream transmit path and the downstream
receive path of customer premise equipment. These
devices operate from a single 5V supply and deliver up
to 12.5dBm average line power for DMT modulated sig-
nals, meeting the requirements of full-rate ADSL.
Spurious-free dynamic range (SFDR) at full output
power is typically -75dBC at 100kHz.
The MAX4361 is a differential IN/differential OUT driver
with a fixed gain of 3.1V/V. The MAX4362 is a dual
amplifier with shutdown intended for use as a differen-
tial IN/differential OUT driver with gain set with external
resistors. The MAX4363 is a quad amplifier with shut-
down intended for use as a differential IN/differential
OUT driver/receiver combination with gain set with
external resistors.
The MAX4361 is offered in a space-saving 8-pin µMAX
package.
o
Low-Noise Driver
4.8nV/√Hz Voltage-Noise Density
1.5pA/√Hz Current-Noise Density
o
Full-Rate ADSL ATU-R Line Drivers and Receivers
o
Single 5V Supply
o
-75dBc SFDR at Full Output Power at 100kHz
o
-95dB Driver-to-Receiver Crosstalk (MAX4363)
o
+12.5dBm Average Line Power (DMT)
o
280mA (min) Peak Output Current
o
Rail-to-Rail
®
Output Swing
o
Thermal and Short-Circuit Protection
Features
MAX4361/MAX4362/MAX4363
Ordering Information
PART
MAX4361EUA
MAX4361ESA
MAX4362EUB
MAX4362ESD
MAX4363EUP
MAX4363ESP
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 µMAX
8 SO
10 µMAX
14 SO
20 TSSOP
20 SO
Applications
ADSL Line Interface
HDSL Line Driver
Pin Configurations
TOP VIEW
GND 1
IN+ 2
MAX4361
8 OUT+ T1IN+ 1
7 V+
6 V+
T1IN-
SHDN
T2IN-
2
3
4
5
MAX4362
10 GND
9
8
7
6
T1OUT
V+
T2OUT
N.C. 1
T1IN+
T1IN-
2
3
MAX4362
14 N.C.
13 GND
12 T1OUT
11 V+
10 T2OUT
9
8
GND
N.C.
T1IN+ 1
T1IN- 2
SHDN 3
MAX4363
20 GND (TX)
19 T1OUT
18 V+ (TX)
17 T2OUT
16 GND (TX)
15 N.C.
14 V+ (RX)
13 GND (RX)
12 R1OUT
11 R2OUT
IN- 3
GND 4
SHDN 4
T2IN- 5
T2IN- 4
T2IN+ 5
GND 6
R1IN+ 7
R1IN- 8
5 OUT- T2IN+
GND
T2IN+ 6
N.C. 7
µMAX/SO
µMAX
SO
R2IN- 9
R2IN+ 10
SO/TSSOP
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
ADSL Drivers/Receivers for Customer Premise
Equipment
MAX4361/MAX4362/MAX4363
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V+ to GND) ....................................-0.3V to +6V
Analog Input Voltage .......................(GND - 0.3V) to (V+ + 0.3V)
SHDN Input Voltage.........................(GND - 0.3V) to (V+ + 0.3V)
Output Short-Circuit Duration .................................................10s
Driver Output Current...............................................................1A
Receiver Output Current ...................................................150mA
Continuous Power Dissipation (T
A
= +70°C)
8-Pin µMAX (derate 4.5mW/°C above +70°C) ..............362mW
10-Pin µMAX (derate 5.6mW/°C above +70°C) ............444mW
8-Pin SO (derate 5.88mW/°C above +70°C).................471mW
14-Pin SO (derate 8.33mW/°C above +70°C)...............667mW
20-Pin SO (derate 10.0mW/°C above +70°C)...............800mW
20-Pin TSSOP (derate 10.9mW/°C above +70°C) ........879mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS—Driver
(V+ = 5V, GND = 0, V
CM
= 2.5V, R
L
= 12.5Ω, SHDN = 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values specified at
T
A
= +25°C.)
PARAMETER
Supply Voltage Range (Note 1)
SYMBOL
V
CC
MAX4361, R
L
=
∞
MAX4362, R
L
=
∞
Supply Current
I
Q
MAX4363, measured at
V+ (TX), R
L
=
∞
MAX4363, measured at
V+ (RX), R
L
=
∞
Maximum Average Output
Power (Notes 2, 3)
Gain
Open-Loop Gain
Second Harmonic Distortion
(Notes 3, 4)
Third Harmonic Distortion
(Notes 3, 4)
Peak Output Current
Input Offset Voltage
Input Bias Current
Input Offset Current
Differential Input Resistance
I
OUT
V
OS
I
B
I
OS
R
IN(DIFF)
MAX4361
MAX4362/MAX4363
MAX4361
MAX4362/MAX4363
P
OUT
G
A
VOL
DMT modulation
CAP modulation
MAX4361 (0.7V
≤
V
OUT
≤
(V+) - 0.7V)
MAX4362/MAX4363 (0.7V
≤
V
OUT
≤
(V+) - 0.7V)
G = 3.1, f = 100kHz, V
OUT(DIFF)
= 7.1V
P-P
G = 3.1, f = 100kHz, V
OUT(DIFF)
= 7.1V
P-P
Inferred from Output Voltage Swing test
SHDN = 0
SHDN = 5V
SHDN = 0
SHDN = 5V
SHDN = 0
SHDN = 5V
15.5
18
3.0
68
-66
-68
280
3.1
81
-76
-79
330
±0.5
1.6
±30
±10
25
40
±10
4.5
±600
±500
3.2
CONDITIONS
MIN
4.5
22
22
60
22
60
4
70
TYP
MAX
5.5
33
33
200
33
200
6.5
200
UNITS
V
mA
mA
µA
mA
µA
mA
µA
dBm
V/V
dB
dBc
dBc
mA
mV
µA
nA
MΩ
kΩ
2
_______________________________________________________________________________________
ADSL Drivers/Receivers for Customer Premise
Equipment
ELECTRICAL CHARACTERISTICS—Driver (continued)
(V+ = 5V, GND = 0, V
CM
= 2.5V, R
L
= 12.5Ω, SHDN = 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values specified at
T
A
= +25°C.)
PARAMETER
Input Common-Mode Voltage
Range
Common-Mode Rejection
Ratio
Power-Supply Rejection Ratio
AC Power-Supply Rejection
Ratio
Differential Output-Voltage
Swing (Note 4)
SYMBOL
V
CM
CMRR
PSRR
PSRR
AC
V
OUT(DIFF)
CONDITIONS
Inferred from CMRR test
1.25V
≤
V
CM
≤
4.5V
V+ = 4.5V to 5.5V
f = 100kHz
MAX4361
MAX4362/MAX4363
MAX4361
MAX4362/MAX4363
MAX4361
MAX4362/MAX4363
7.4
MIN
1.25
60
70
60
60
73
85
89
74
63
49
8.2
215
230
400
430
400
430
±650
MAX4361
MAX4362/MAX4363, G = 1
2.0
SHDN = 0 or SHDN = V+
f = 1MHz
MAX4361
MAX4362/MAX4363, G = 1
V
OUT(DIFF)
= 7.1V
P-P
step
MAX4361
Settling Time (1%)
Voltage-Noise Density
Current-Noise Density
Capacitive-Load Stability
Shutdown Delay Time
Enable Delay Time
t
SHDN
t
ENABLE
t
S
e
n
i
n
V
OUT(DIFF)
= 7.1V
P-P
step
f = 100kHz to 1.1MHz
f = 100kHz to 1.1MHz
MAX4362/MAX4363,
G=3
1.8
40
60
30
115
165
4.8
1.5
10
400
2.8
ns
nV/√
Hz
pA/√
Hz
nF
ns
µs
±10
0.3
0.001
0.8
550
550
600
650
600
650
mA
Ω
V
V
µA
kΩ
MHz
V/µs
mV
TYP
MAX
4.50
UNITS
V
dB
dB
dB
V
P-P
MAX4361/MAX4362/MAX4363
Inferred from Output Voltage Swing test
R
L
= 100Ω
(V+) - V
OH
V
OL
(V+) - V
OH
V
OL
(V+) - V
OH
V
OL
Output-Voltage Swing
(Note 4)
V
OH
,
V
OL
MAX4362/MAX4363
R
L
= 12.5Ω
MAX4361, RL = 12.5Ω,
T
A
= -20°C to 85°C
Output Short-Circuit Current
Output Resistance
SHDN Logic Low
SHDN Logic High
SHDN Input Current
Shutdown Output Impedance
-3dB Bandwidth
Slew Rate
I
SC
R
OUT
V
IL
V
IH
I
IH
, I
IL
Z
OUT(SD)
BW
SR
_______________________________________________________________________________________
3
ADSL Drivers/Receivers for Customer Premise
Equipment
MAX4361/MAX4362/MAX4363
ELECTRICAL CHARACTERISTICS—Receiver (MAX4363 only)
(V+ = 5V, GND = 0, V
CM
= 2.5V, R
L
=
∞,
SHDN = 0, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values specified at
T
A
= +25°C.)
PARAMETER
Spurious-Free Dynamic Range
Gain-Bandwidth Product
Open-Loop Gain
Peak Output Current
Input Offset Voltage
Input Bias Current
Input Offset Current
Input Capacitance
Differential Input Resistance
Input Common-Mode Voltage
Range
Common-Mode Rejection Ratio
Power-Supply Rejection Ratio
AC Power-Supply Rejection
Ratio
SYMBOL
SFDR
GBW
A
VOL
I
OUT
V
OS
I
B
I
OS
C
IN
R
IN(DIFF)
V
CM
C
MRR
PSRR
PSRR
AC
Inferred from CMRR test
0.25V
≤
V
CM
≤
3.8V
V+ = 4.5V to 5.5V
f = 1MHz
R
L
=
∞
Output-Voltage Swing
V
OH,
V
OL
R
L
= 50Ω
Output Short-Circuit Current
Output Resistance
Slew Rate
Settling Time (1%)
Voltage-Noise Density
Current-Noise Density
Driver-Receiver Crosstalk
I
SC
R
OUT
SR
t
S
e
n
i
n
X
TALK
G=1
V
OUT
= 1V
P-P
step
V
OUT
= 100mV
P-P
step, G = 1
f = 1MHz
f = 1MHz
f = 100kHz
(V+) - V
OH
V
OL
(V+) - V
OH
V
OL
0.25
70
60
87
75
47
0.64
0.73
1.27
1.37
±130
0.001
160
40
8.5
0.5
95
1
1
1.5
1.6
mA
Ω
V/µs
ns
nV/√Hz
pA/√Hz
dB
V
1.5V
≤
V
OUT
≤
3.5V
R
L
= 50Ω, inferred from Output-Voltage
Swing test
65
18
CONDITIONS
G = 1, f = 1MHz, V
OUT
= 1V
P-P
MIN
TYP
-75
190
77
25
±0.5
-0.75
±20
1.6
76
3.80
±10
-2
±250
MAX
UNITS
dBc
MHz
dB
mA
mV
µA
nA
pF
kΩ
V
dB
dB
dB
Note 1:
Guaranteed by the Power-Supply Rejection Ratio (PSRR) test.
Note 2:
Implied by worst-case output-voltage swing (V
OUT(DIFF)
), crest factor (C
r
) and load resistance (R
L
):
P
Driver
= 10log((250
✕
(V
OUT(DIFF)
)^2 / ((C
r
)^2
✕
R
L
)) dBmW
Note 3:
Guaranteed by design.
Note 4:
May exceed absolute maximum ratings for power dissipation if unit is subject to full-scale sinusoids for long periods
(see
Applications Information
section).
4
_______________________________________________________________________________________
ADSL Drivers/Receivers for Customer Premise
Equipment
Typical Operating Characteristics
(V+ = 5V, GND = 0, V
CM
= 2.5V, R
L
= 12.5Ω, SHDN = 0, T
A
= +25°C.)
DRIVER DIFFERENTIAL DISTORTION
vs. FREQUENCY
MAX4361 toc01
MAX4361/MAX4362/MAX4363
DRIVER DIFFERENTIAL DISTORTION
vs. PEAK-TO-PEAK OUTPUT VOLTAGE
MAX4361 toc02
DRIVER DIFFERENTIAL DISTORTION
vs. LOAD RESISTANCE
V
OUT
= 5V
P-P
f = 100kHz
G=3
R
L
= 12.5Ω
MAX4361 toc03
-40
DIFFERENTIAL DISTORTION (dB)
-50
-60
2ND HARMONIC
-70
-80
-90
-100
10k
100k
FREQUENCY (Hz)
3RD HARMONIC
V
OUT
= 7.2V
P-P
G=3
R
L
= 12.5Ω
-40
DIFFERENTIAL DISTORTION (dBc)
-50
-60
3RD HARMONIC
-70
-80
-90
-100
2ND HARMONIC
f = 100kHz
G=3
R
L
= 12.5
9
-60
DIFFERENTIAL DISTORTION (dBc)
-70
-80
3RD HARMONIC
2ND HARMONIC
-90
-100
2
3
4
5
6
7
8
5
25
45
R
LOAD
(Ω)
65
85
PEAK-TO-PEAK OUTPUT VOLTAGE (V)
1M
DRIVER LINE POWER
vs. TURNS RATIO
16.0
15.5
15.0
14.5
14.0
P
LINE
(dBm)
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
MAX4361 toc04
DRIVER CURRENT AND VOLTAGE NOISE
vs. FREQUENCY
100
INPUT CURRENT NOISE (pA/√Hz)
MAX4361 toc05
DRIVER OUTPUT IMPEDANCE
vs. FREQUENCY
MAX4361 toc06
100
INPUT VOLTAGE NOISE (nV/√Hz)
100k
10k
OUTPUT IMPEDANCE (Ω)
1k
100
10
1
0.1
SHDN = GND
SHDN = V
CC
V+ = 5.5V
V+ = 5V
10
V
NOISE
10
V+ = 4.5V
I
NOISE
1
3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0
TRANSFORMER TURNS RATIO
1k
10k
100k
1M
FREQUENCY (Hz)
1
0.01
100k
1M
10M
100M
FREQUENCY (Hz)
DRIVER GAIN AND PHASE
vs. FREQUENCY
20
15
10
5
GAIN (dB)
0
-5
-10
-15
-20
-25
-30
10k
100k
1M
10M
100M
1G
FREQUENCY (Hz)
PHASE
GAIN
MAX4361 toc07
DRIVER POWER-SUPPLY REJECTION
RATIO vs. FREQUENCY
90
60
PHASE (DEGREES)
30
0
-30
-60
-90
-120
-150
-180
0
-10
-20
PSRR (dB)
-30
-40
-50
-60
-70
-80
1k
10k
100k
1M
10M
1G
FREQUENCY (Hz)
G=1
MAX4361 toc08
DRIVER OUTPUT SWING
vs. LOAD RESISTANCE
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1
MAX4361 toc09
120
10
G=3
R
L
= 12.5Ω
+SWING
-SWING
OUTPUT SWING (V)
10
100
1k
10k
LOAD RESISTANCE (Ω)
_______________________________________________________________________________________
5
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