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| 型號(hào)： | AD73511 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low-Power CMOS Analog Front End with Flash based DSP Microcomputer(帶閃速DSP微計(jì)算機(jī)的單模擬前端) |
| 中文描述： | 低功耗CMOS模擬前端與閃存的DSP微機(jī)（帶閃速DSP的微計(jì)算機(jī)的單模擬前端） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 77K |
| 代理商： | AD73511 |
–5–
REV. PrA 08/99
AD73511
Prelimnary Technical Data
DATA
TECHNCAL
PARAMETER
Min
Typ
Max
Units
T est Conditions (ST YLE : table col.head)
T otal Harmonic Distortion at 0 dBm0
PGA = 0 dB
PGA = 6 dB
Intermodulation Distortion
Idle Channel Noise
Crosstalk
-80
-80
–85
–76
–100
–70
dB
dB
dB
dBm0
dB
PGA = 0 dB
PGA = 0 dB
ADC Input Level: AGND;
DAC Output Level: 1.0 kHz, 0 dBm0
Input Signal Level at AVDD and DVDD
Pins: 1.0 kHz, 100 mV p-p Sine Wave
f
SAMP
= 64 kHz; Interpolator Bypassed
f
SAMP
= 64 kHz
PGA = 6 dB
Power Supply Rejection
–81
dB
Group Delay
4, 5
25
50
+5
μs
μs
mV
Output DC Offset
2, 7
Minimum Load Resistance, R
L2, 8
Single-Ended
4
Differential
Maximum Load Capacitance, C
L2, 8
Single-Ended
4
Differential
–30
+50
150
150
500
100
pF
pF
LOGIC INPUT S
V
INH
, Input High Voltage
V
INL
, Input Low Voltage
I
IH
, Input Current
C
IN
, Input Capacitance
LOGIC OUT PUT
V
OH
, Output High Voltage
V
OL
, Output Low Voltage
T hree-State Leakage Current
POWER SUPPLIES
AVDD1, AVDD2
DVDD
I
DD10
DVDD – 0.8
0
-10
DVDD
0.8
+10
10
V
V
μA
pF
DVDD – 0.4
0
–10
DVDD
0.4
+10
V
V
μA
|IOUT | - 100 μA
|IOUT | - 100 μA
3.0
3.0
3.6
3.6
V
V
See T able I
NOT ES
Operating temperature range is as follows: –20°C to +85°C. T herefore, T
= –20°C and T
= +85°C.
2
T est conditions: Input PGA set for 0 dB gain, Output PGA set for 6 dB gain, no load on analog outputs (unless otherwise noted).
3
At input to sigma-delta modulator of ADC.
4
Guaranteed by design.
5
Overall group delay will be affected by the sample rate and the external digital filtering.
6
T he ADC’s input impedance is inversely proportional to DMCLK and is approximated by: (3.3
10
11
)/DMCLK .
7
Between VOUT P1 and VOUT N1 or between VOUT P2 and VOUT N2.
8
At VOUT output.
9
Frequency responses of ADC and DAC measured with input at audio reference level (the input level that produces an output level of –10 dBm0), with 38 dB preamplifier
bypassed and input gain of 0 dB.
10
T est Conditions: no load on digital inputs, analog inputs ac coupled to ground, no load on analog outputs.
Specifications subject to change without notice.
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