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AD1555/56-REF 数据表(PDF) 3 Page - Analog Devices

部件名 AD1555/56-REF
功能描述  24-Bit - ADC with Low Noise PGA
PDF  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD1555/56-REF 数据表(HTML) 3 Page - Analog Devices

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REV. B
–3–
AD1555/AD1556
AD1556–SPECIFICATIONS
AD1556AS
Parameter
Notes
Min
Typ
Max
Unit
FILTER PERFORMANCES
Pass-Band Ripple
–0.05
+0.05
dB
Stop-Band Attenuation
All Filters Except FO =16 kHz
–135
dB
FO =16 kHz
–86
dB
Filters Characteristics
See Table II
DIGITAL INPUTS OUTPUTS
VIL
–0.3
+0.8
V
VIH
+2.0
VL + 0.3
V
IIL
–10
+10
µA
IIH
–10
+10
µA
VOL
ISINK = +2 mA
+0.5
V
VOH
ISOURCE = –2 mA
VL – 0.6
V
POWER SUPPLIES
Specified Performance
VL
2.85
5.25
V
Quiescent Currents
I(VL)
45
mA
Power Dissipation
VL = 3.3 V, FO = 1 kHz
6.2
8.5
mW
In Power-Down Mode
70
µW
TEMPERATURE RANGE
*
Specified Performance, TMIN to TMAX
–55
+85
°C
*Contact factory for extended temperature range.
Specifications subject to change without notice.
AD1555BP
AD1555AP
Parameter
Notes
Min
Typ
Max
Min
Typ
Max
Unit
POWER SUPPLIES
Recommended Operating Conditions
+VA
4.75
5
5.25
4.75
5
5.25
V
–VA
–5.25
–5
–4.75
–5.25
–5
–4.75
V
VL
4.75
5
5.25
4.75
5
5.25
V
Quiescent Currents
I(+VA)
10
810
8
10
mA
I(–VA)
10
8
9.5
8
9.5
mA
I(VL)
30
42
30
42
µA
Power Dissipation
10
77
96
77
96
mW
PGA in Standby Mode
11
56
70
56
70
mW
In Power-Down Mode
11, 12
Reference Input = 3 V
650
650
µW
Reference Input = 0 V
250
250
µW
NOTES
1Tested at the output word rate F
O = 1 kHz. FO is the AD1556 output word rate, the inverse of the sampling rate. See Tables I, Ia, Ib for other output
word rates.
2Tested with a full-scale input signal at approximately 24 Hz.
3This parameter is guaranteed by design.
4Tested at the output word rate F
O = 1 kHz with input signals of 30 Hz and 50 Hz, each 6 dB down full scale.
5This specification is for the AD1555 only and does not include the errors from external components as, for instance, the external reference.
6This offset specification is referred to the modulator output.
7Characterized with a 100 mV p-p sine wave applied separately to each supply.
8Contact factory for extended temperature range.
9Recommended Reference: AD780BR.
10Specified with analog inputs grounded.
11See Table III for configuration conditions.
12Specified with MCLK input grounded.
Specifications subject to change without notice.
(VL = 2.85 V to 5.25 V; CLKIN = 1.024 MHz; TA = TMIN to TMAX unless otherwise noted.)



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