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参数资料
| 型号： | AD5700BCPZ-RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 18/24页 |
| 文件大小： | 0K |
| 描述： | IC HART MODEM LP 24LFCSP |
| 标准包装： | 1,500 |
| 系列： | * |
Data Sheet
AD5700/AD5700-1
Rev. F | Page 3 of 24
SPECIFICATIONS
VCC = 1.71 V to 5.5 V, IOVCC = 1.71 V to 5.5 V, AGND = DGND, CLKOUT disabled, HART_OUT with 5 nF load, internal and external
receive filter, internal reference; all specifications are from 40°C to +125°C and relate to both A and B models, unless otherwise noted.
Table 2.
Parameter1
Min
Typ
Max
Unit
Test Conditions/Comments
POWER REQUIREMENTS2
VCC
1.71
5.5
V
IOVCC
1.71
5.5
V
VCC and IOVCC Current Consumption
Demodulator
86
115
A
B model, external clock, 40°C to +85°C
179
A
B model, external clock, 40°C to +125°C
69
97
A
B model, external clock, 40°C to +85°C,
external reference
157
A
B model, external clock, 40°C to +125 °C,
external reference
260
A
A model, external clock, 40°C to +125°C
Modulator
124
140
A
B model, external clock, 40°C to +85°C
193
A
B model, external clock, 40°C to +125°C
73
96
A
B model, external clock, 40°C to +85°C,
external reference
153
A
B model, external clock, 40°C to +125°C,
external reference
270
A
A model, external clock, 40°C to +125°C
Crystal Oscillator3
33
60
A
External crystal, 16 pF at XTAL1 and XTAL2
44
71
A
External crystal, 36 pF at XTAL1 and XTAL2
Internal Oscillator4
218
285
A
AD5700-1 only, external crystal not required
Power-Down Mode
RESET = REF_EN = DGND
16
35
A
Internal reference disabled, 40°C to +85°C
75
A
Internal reference disabled, 40°C to +125°C
INTERNAL VOLTAGE REFERENCE
Internal Reference Voltage
1.47
1.5
1.52
V
REF_EN = IOVCC to enable use of internal
reference; VCC = 1.71 V minimum
Load Regulation
18
ppm/A
Tested with 50 A load
OPTIONAL EXTERNAL VOLTAGE
REFERENCE
External Reference Input Voltage
2.47
2.5
2.53
V
REF_EN = DGND to enable use of external
reference, VCC = 2.7 V minimum
External Reference Input Current
Demodulator
16
21
A
Current required by external reference in
receive mode
Modulator
28
33
A
Current required by external reference in
transmit mode
Internal Oscillator
5.5
7
A
Current required by external reference if
using internal oscillator
Power-Down
4.6
8.6
A
DIGITAL INPUTS
VIH, Input High Voltage
0.7 × IOVCC
V
VIL, Input Low Voltage
0.3 × IOVCC
V
Input Current
0.1
+0.1
A
Input Capacitance5
5
pF
Per pin
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