參數(shù)資料
型號: AD5700ACPZ-RL7
廠商: Analog Devices Inc
文件頁數(shù): 2/24頁
文件大小: 0K
描述: IC HART MODEM LP 24LFCSP
標準包裝: 1,500
系列: *
AD5700/AD5700-1
Data Sheet
Rev. F | Page 10 of 24
Figure 9. Supply Currents vs. Supply Voltage—Internal Reference
Figure 10. Current in Tx Mode vs. Resistive Load
Figure 11. Current in Tx Mode vs. Capacitive Load
Figure 12. Input Filter Frequency Response
Figure 13. Carrier Detect—Voltage vs. Current, 2 V
Figure 14. Carrier Detect—Voltage vs. Current, 3.3 V
200
180
160
140
120
100
80
60
40
20
0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VCC = IOVCC (V)
I CC
AND
I
O
I CC
(
A)
10435-
026
TA = 25°C
VCC = IOVCC = 1.71V TO 5.5V
DEV 1 INT REF
REG_CAP IS CONNECTED
TO VCC FOR SUPPLIES OF ≤ 2.0V
DEMOD ICC AND IOICC
MOD ICC AND IOICC
700
600
500
400
300
200
100
0
200
400
600
800
1000
1200
RLOAD
() WITH 22nF TO GND
I CC
CURRE
NT
(
A)
10435-
009
HART_OUT
2.2F
22nF
RLOAD
TXD = 1
TXD = 0
TA = 25°C; VCC = IOVCC = 3.3V; INT VREF
CLK CONFIG = XTAL OSCILLATOR
IOICC = 41A
250
225
200
175
150
125
100
75
50
25
0
10
20
30
40
50
60
CLOAD (nF)
I CC
CURRE
NT
(
A)
10435-
010
TA = 25°C; VCC = IOVCC = 3.3V; INT VREF
CLK CONFIG = XTAL OSCILLATOR
CAPACITIVE LOAD ONLY
IOICC = 41A
TXD = 1
TXD = 0
0
–2
–4
–6
–8
–10
–12
–14
–16
–20
–18
100
1k
10k
FREQUENCY (Hz)
G
AI
N
(
d
B)
10435-
0
1
EXTERNAL FILTER
INTERNAL FILTER
TA = 25°C
VCC = IOVCC = 3.3V
INT VREF
2.5
0
0.5
1.0
1.5
2.0
0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10435-
032
C
D
VO
L
T
A
G
E
(V)
CD CURRENT (mA)
TA = 25°C
VCC = IOVCC = 2V
3.5
3.0
2.5
0
0.5
1.0
1.5
2.0
0
7
6
5
4
3
2
1
10435-
033
C
D
VO
L
T
A
G
E
(V)
CD CURRENT (mA)
TA = 25°C
VCC = IOVCC = 3.3V
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