ad45048 Analog Devices, Inc., ad45048 Datasheet - Page 5

• Manufacturer Part Number: ad45048
• Description: Rail-to-rail Upstream Adsl Line Driver
• Manufacturer: Analog Devices, Inc.

TYPICAL PERFORMANCE CHARACTERISTICS
–10
–15
–20
–25
–10
–15
–20
–25
–40
–50
–60
–70
–80
25
20
15
10
–5
25
20
15
10
–5
Figure 5. MTPR vs. Line Power (See Schematic in Figure 8)
5
0
5
0
10k
10k
0
Figure 3. Noninverting Small Signal Bandwidth
Figure 4. Inverting Small Signal Bandwidth
G = +10
G = –10
G = –5
G = –2
G = –1
G = +5
G = +2
G = +1
(V
(V
100k
100k
S
S
= ±6 V, V
= ±6 V, V
5
FREQUENCY (Hz)
FREQUENCY (Hz)
O
O
1M
1M
= 0.1 V p-p, R
= 0.1 V p-p, R
dBm (100Ω)
10
10M
10M
L
L
= 25 Ω)
= 25 Ω)
15
R
R
100M
G
100M
G
–
+
–
+
499Ω
5kΩ
25Ω
25Ω
1G
1G
20
Rev. A | Page 5 of 8
+V
–V
IN
IN
–10
–15
–20
–25
–10
–15
–20
–25
25
20
15
10
–5
25
20
15
10
–5
+6V
5
0
5
0
10k
10k
499Ω
499Ω
Figure 6. Noninverting Large Signal Bandwidth
R1
R4
G = –10
G = –5
G = –2
G = –1
Figure 7. Inverting Large Signal Bandwidth
Figure 8. Differential Test Circuit for MTPR
G = +10
G = +5
G = +2
G = +1
100k
100k
(V
(V
2
3
5
6
S
S
= ±6 V, V
= ±6 V, V
+12V
8
V+
V–
4
0.1μF
AD45048
AD45048
OUT
OUT
FREQUENCY (Hz)
FREQUENCY (Hz)
U1A
U1B
1M
1M
O
O
3kΩ
3kΩ
R2
R5
= 1 V p-p, R
= 1 V p-p, R
1
7
4.7μF
TANT
10M
10M
L
L
= 25 Ω)
= 25 Ω)
12.5Ω
12.5Ω
R6
R3
R
R
100M
G
100M
G
AD45048
TX1
–
+
1:2
+
–
499Ω
5kΩ
25Ω
25Ω
R3
100Ω
1G
1G