參數(shù)資料
型號: AMC1210
英文描述: Quad Digital Filter for 2nd-Order Delta-Sigma Modulator
中文描述: 四數(shù)字濾波器2階Δ-Σ調(diào)制器
文件頁數(shù): 3/47頁
文件大?。?/td> 805K
代理商: AMC1210
www.ti.com
ELECTRICAL CHARACTERISTICS
At –40°C to +125°C, AVDD, CVDD, DVDD = 5V, BVDD = 2.7V, unless otherwise noted. The following condition must be true
on the supplies: CVDD
DVDD
BVDD.
AMC1210
SBAS372A–APRIL 2006–REVISED OCTOBER 2006
AMC1210
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DIGITAL INPUT/OUTPUT
Logic levels:
V
OH
BVDD = 2.7
BVDD = 5.0
BVDD = 2.7
BVDD = 5.0
Pin 'CLK'
2.4
4.44
V
V
V
V
V
OL
0.4
0.5
90
System clock frequency
MHz
Pins CLK1, CLK2, CLK3, CLK4
Mode = 0
Pin WR, option 1
Pin WR, option 2
Pin CS
Modulator clock frequency
22
MHz
SPI interface clock frequency
SPI interface clock frequency
Parallel interface read/write frequency
POWER SUPPLY REQUIREMENTS
Power-supply voltage, pin AVDD
Power-supply voltage, pins CVDD and DVDD
Power-supply voltage, pin DVDD
Total power
(1)
Power-supply current
Power-supply current
25
40
22
MHz
MHz
MHz
4.5
3.3
2.7
5.5
5.5
5.5
CVDD
DVDD
BVDD
CVDD
DVDD
BVDD
All supplies = 5V
One filter module
(2)
Four filter modules
(2)
SPI interface
Parallel interface
(3)
Signal generator
V
V
24.5
260
850
78
83
140
mW
μ
A/MHz
μ
A/MHz
μ
A/MHz
μ
A/MHz
μ
A/MHz
SIGNAL GENERATOR OUTPUT
V
OH
V
OL
V
OH
V
OL
R
LOAD
= 50
, bit HPE = 1
R
LOAD
= 50
, bit HPE = 1
R
LOAD
= 500
, bit HPE = 0
R
LOAD
= 500
, bit HPE = 0
4.60
4.73
0.26
4.73
0.26
V
V
V
V
0.4
4.60
0.4
(1)
(2)
Power consumption with two filter modules functioning, both set to Sinc
3
, SOSR = 256.
The filter module is configured with the comparator unit filter set to Sinc
3
, COSR = 32 and the sinc unit filter set to Sinc
3
structure and
SOSR = 256.
All three modes.
(3)
3
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