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AD2S99 用户编程技术手册 - ADI（亚德诺）
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ADI（亚德诺）
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可编程振荡器 Programmable Oscillator
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AD2S99数据手册
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AD2S99–SPECIFICATIONS
Parameter Min Typ Max Units Test Conditions
FREQUENCY OUTPUT RANGE SEL1 SEL2
2 kHz 2000 Hz V
SS
V
SS
5 kHz 5000 Hz V
SS
GND
10 kHz 10000 Hz GND V
SS
20 kHz 20000 Hz GND GND
ACCURACY
Frequency ±10 % AP Grade @ +25°C
±20 % AP Grade –40°C to +85°C
±5 % BP Grade @ +25°C
±10 % BP Grade –40°C to +85°C
Amplitude ±3 ±10 % AP Grade @ +25°C
±20 % AP Grade –40°C to +85°C
±3 ±5 % BP Grade @ +25°C
±10 % BP Grade –40°C to +85°C
Power Supply Rejection Ratio 0.002 V p-p/V Output Variation as Function of
Change in Power Supply Voltage
ANALOG OUTPUTS
Amplitude
EXC,
EXC 2 V rms EXC to GND, EXC to GND
SYNREF ±3 V p-p Square Wave
SYNREF OFFSET ±200 mV
Current Drive Capability
EXC,
EXC V
S
= ±5 V 8 mA rms R
LOAD
= 500 Ω EXC to EXC
C
LOAD
= 1000 pF
Capacitive Drive 1000 pF
Total Harmonic Distortion
EXC, EXC –25 dB
ANALOG INPUTS SIN, COS
Amplitude 1.8 2.0 2.2 V rms
Phase Lock Range –45 +45 Degrees
Additional Phase Delay
±10 Degrees AP Grade
±10 Degrees BP Grade
FREQUENCY SELECT INPUTS
SEL1, SEL2
1
V
SS
AGND V dc
LOS OUTPUT
Output Low Voltage 0.7 V dc I
OL
= 400 µA
Output High Voltage V
DD
V dc 50 kΩ Pull Up to V
DD
(Open
Drain Output)
SIN, COS LOS Threshold 0.5 0.6 0.8 V rms
POWER SUPPLIES
V
DD
+4.75 +5.25 V dc
V
SS
–4.75 –5.25 V dc
Quiescent Current I
DD
, I
SS
±8 ±15 mA No Load
TEMPERATURE RANGE
Operating –40 +85 °C
Storage –65 +150 °C
NOTES
1
Frequency select pins SEL1 and SEL2 must be connected to appropriate voltage levels before power is applied.
Specifications subject to change without notice.
REV. B
–2–
(V
S
= 64.75 V to 65.25 V @ –408C to +858C unless otherwise noted)
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