参数资料
| 型号： | AD2S99BP |
| 厂商： | Analog Devices Inc |
| 文件页数： | 3/8页 |
| 文件大小： | 0K |
| 描述： | IC OSC SINUSOIDAL 20KHZ 20-PLCC |
| 标准包装： | 1 |
| 类型： | 振荡器 - 正弦 |
| 频率： | 2kHz ~ 20kHz |
| 电源电压： | ±4.75 V ~ 5.25 V |
| 电流 - 电源： | 8mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 20-LCC（J 形引线） |
| 包装： | 管件 |
| 供应商设备封装： | 20-PLCC（9x9） |
| 安装类型： | 表面贴装 |
REV. B
–3–
AD2S99
ABSOLUTE MAXIMUM RATINGS*
VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7 V
VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –7 V
Operating Temperature . . . . . . . . . . . . . . . . . . –40
°C to +85°C
Storage Temperature . . . . . . . . . . . . . . . . . . . –65
°C to +150°C
Analog Input Voltages (SIN and COS) . . . . . . . . . VSS – 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . to VDD + 0.3 V
Frequency Select (SEL1, SEL2) . . . . . . . . . . . . . . VSS – 0.4 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . to AGND + 0.4 V
*Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those indicated in the
operational section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Power Supply Voltage (VDD to VSS) . . . . . . ± 4.75 V to ± 5.25 V
Analog Input Voltage (SIN and COS) . . . . . . . . 2 V rms
±10%
Frequency Select (SEL1 and SEL2) . . . . . . . . . VSS to AGND
Operating Temperature Range . . . . . . . . . . . . . –40
°C to +85°C
PIN DESIGNATIONS
Pin
No.
Mnemonic
Description
1
SEL2
Frequency Select 2
2
SEL1
Frequency Select 1
3
FBIAS
External Frequency Adjust Pin
5
SIN
Resolver Output SIN
6
1
DGND
Digital Ground
7
COS
Resolver Output COS
10
SYNREF
Synthesized Reference Output
11
LOS
Indicates When Both the SIN and
COS Are Below the Threshold.
12
VDD
Positive Power Supply
16
1
AGND
Analog Ground
17
EXC
Resolver Reference One
18
EXC
Resolver Reference Two
3
19
2
VSS
Negative Power Supply
20
2
VSS
Negative Power Supply
NOTES
1Pins 6 and 16 must be connected together.
2Pins 19 and 20 must be connected together.
3Resolver Reference two (EXC) is 180
° phase advanced with respect to Resolver
Reference one (EXC).
PIN CONFIGURATION
NC = NO CONNECT
NC
SIN
NC
DGND
COS
FBIAS
SEL1
V
SS
SEL2
V
SS
NC
SYNREF
NC
LOS
V
DD
EXC
NC
AGND
NC
19
3
1
2
20
4
5
8
6
7
12 13
911
10
18
17
14
16
15
TOP VIEW
(Not to Scale)
AD2S99
EXC
ORDERING GUIDE
Model
Temperature Range
Package Option*
AD2S99AP
–40
°C to +85°C
P-20A
AD2S99BP
–40
°C to +85°C
P-20A
*P = PLCC.
WARNING!
ESD SENSITIVE DEVICE
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD2S99 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
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