LT1739CFE Linear Technology, LT1739CFE Datasheet - Page 6

• Manufacturer Part Number: LT1739CFE
• Description: IC AMP XDSL LINE DRV DUAL20TSSOP
• Manufacturer: Linear Technology
• Type: Line Driver, Transmitterr

Specifications of LT1739CFE

• Number Of Drivers/receivers: 2/0
• Protocol: DSL
• Voltage - Supply: 5 V ~ 12 V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1739
TYPICAL PERFOR A CE CHARACTERISTICS
6
TEST CIRCUIT
E
IN
49.9
MINICIRCUITS
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
SPLITTER
ZSC5-2-2
2
Differential Harmonic Distortion
vs Supply Current
3
I
SUPPLY
4
W
OUT (+)
OUT (–)
f = 100kHz, HD2
5
PER AMPLIFIER (mA)
f = 100kHz, HD3
f = 1MHz, HD3
f = 1MHz, HD2
U
6
10k
10k
7
8
V
V
A
R
+IN A
–IN A
–IN B
+IN B
O
S
V
L
9
= 12V
= 10
= 50
= 10V
110
110
1739 G18
–12V
10
V
–12V
12V
+
+
–
–
+
P-P
11
A
B
V
–
0.01 F
SHDN
R
SHDNREF
1k
1k
BIAS
OUT A
OUT B
R
L
V
OUT(P-P)
50
15
20
10
*COILCRAFT X8390-A OR EQUIVALENT
V
DISTORTION MEASURED ACROSS LINE LOAD
5
0
100k
OUTP-P
1739 TC
Undistorted Output Swing
vs Frequency
12.7
12.7
SFDR > 40dB
T
V
A
R
I
S
A
S
V
L
PER AMPLIFIER = 10mA
1:2*
= 25 C
= 12V
= 10
= 50
AMPLITUDE SET AT EACH AMPLIFIER OUTPUT
300k
FREQUENCY (Hz)
0.1 F
0.1 F
1M
100 LINE LOAD
SUPPLY BYPASSING
+
+
4.7 F
4.7 F
3M
+
1739 G19
10M
4.7 F
0.1 F
1739fas, sn1739
12V
–12V