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参数资料
| 型号： | AD73411 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Low-Power CMOS Analog Front End with DSP Microcomputer(带DSP微计算机的单模拟前端) |
| 中文描述： | 低功耗CMOS模拟和DSP的微机前结束（带DSP的微计算机的单模拟前端） |
| 文件页数： | 4/12页 |
| 文件大小： | 78K |
| 代理商： | AD73411 |
–4–
REV. PrA 08/99
AD73411–SPECIFICATIONS
PRELMNARY
DATA
TECHNCAL
–76
(AVDD = DVDD = +3.0V to 3.6V; DGND = AGND = 0V, f
MCLK
= 16.384 MHz,
f
SAMP
= 64 kHz; T
A
= T
MN
to T
MAX
, unless otherwse noted)
PARAMETER
Min
Typ
Max
Units
T est Conditions
AFE SE CT ION
REFERENC E
REFC AP
Absolute Voltage, V
REFCAP
REFCAP T C
REFOUT
T ypical Output Impedance
Absolute Voltage, V
REFOUT
Minimum Load Resistance
Maximum Load Capacitance
1.08
1.2
50
1.32
V
ppm/°C 0.1 μF Capacitor Required from
REFCAP to AGND2
V
Unloaded
k
pF
145
1.2
1.08
1
1.32
100
ADC SPECIFICAT IONS
Maximum Input Range at VIN
2, 3
1.578
–2.85
1.0954
–6.02
V p-p
dBm
V p-p
dBm
Measured Differentially.
REFCAP
Measured Differentially
Nominal Reference Level at VIN
(0 dBm0)
Absolute Gain
PGA = 0 dB
PGA = 38 dB
Gain T racking Error
Signal to (Noise + Distortion)
PGA = 0 dB
–2.2
-0.6
–1.0
+1.0 dB
1.0 kHz, 0 dBm0
1.0 kHz, 0 dBm0
1.0 kHz, +3 dBm0 to –50 dBm0
Refer to Figure 5
300 Hz to 3400 Hz;
0 Hz to f
SAMP
/2;
300 Hz to 3400 Hz; f
SAMP
= 64 kHz
SAMP
/2; f
SAMP
= 64 kHz
300 Hz to 3400 Hz;
dB
0 Hz to f
SAMP
/2
dB
dB
70
70
76
74
72
60
dB
dB
dB
dB
59
PGA = 38 dB
T otal Harmonic Distortion
PGA = 0 dB
PGA = 38 dB
Intermodulation Distortion
Idle Channel Noise
Crosstalk
–85
–85
–82
–70
dB
dB
dB
dBm0
300 Hz to 3400 Hz;
300 Hz to 3400 Hz;
PGA = 0 dB
PGA = 0 dB
ADC Input Level: 1.0kHz, 0 dBm0
DAC Input at Idle
PGA = 0 dB
Input Signal Level at AVDD and DVDD
Pins: 1.0 kHz, 100 mV p-p Sine Wave
f
SAMP
= 64 kHz
DMCLK = 16.384 MHz
DC Offset
Power Supply Rejection
–20
+2
–84
+25
mV
dB
Group Delay
4, 5
Input Resistance at PGA
2, 4, 6
25
45
μs
k
DAC SPE CIFICAT IONS
Maximum Voltage Output Swing
2
Single Ended
1.578
–2.85
3.156
3.17
V p-p
dBm
V p-p
dBm
PGA = 6 dB
Max. Output = (1.578/1.2)*V
REFCAP
PGA = 6 dB
Max. Output = 2*((1.578/1.2)*V
REFCAP
)
Differential
Nominal Voltage Output Swing (0 dBm0)
Single-Ended
1.0954
–6.02
2.1909
0
1.2
-0.7
± 0.1
V p-p
dBm
V p-p
dBm
V
PGA = 6 dB
Differential
PGA = 6 dB
Output Bias Voltage
Absolute Gain
Gain T racking Error
Signal to (Noise + Distortion) at 0 dBm0
PGA = 0 dB
1.08
–1.8
1.32
+0.4 dB
REFOUT Unloaded
1.0 kHz, 0 dBm0; Unloaded
1.0 kHz, +3 dBm0 to –50 dBm0
dB
70
77
dB
300 Hz to 3400 Hz
dB
300 Hz to 3400 Hz; f
SAMP
= 64 kHz
300 Hz to 3400 Hz;
300 Hz to 3400 Hz; f
SAMP
= 64 kHz
76
PGA = 6 dB
77
77
dB
dB
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