AMC1210 Datasheet, PDF (3/47 Pages) Burr-Brown (TI) – Quad Digital Filter for 2nd-Order Delta-Sigma Modulator

AMC1210
www.ti.com
SBAS372A – APRIL 2006 – REVISED OCTOBER 2006
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.
PARAMETER
DIGITAL INPUT/OUTPUT
Logic levels:
V_OH
V_OL
System clock frequency
Modulator clock frequency
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
SIGNAL GENERATOR OUTPUT
V_OH
V_OL
V_OH
V_OL
TEST CONDITIONS
BVDD = 2.7
BVDD = 5.0
BVDD = 2.7
BVDD = 5.0
Pin 'CLK'
Pins CLK1, CLK2, CLK3, CLK4
Mode = 0
Pin WR, option 1
Pin WR, option 2
Pin CS
CVDD ≥ DVDD ≥ BVDD
CVDD ≥ DVDD ≥ BVDD
All supplies = 5V
One filter module⁽²⁾
Four filter modules⁽²⁾
SPI interface
Parallel interface⁽³⁾
Signal generator
R_LOAD = 50Ω, bit HPE = 1
R_LOAD = 50Ω, bit HPE = 1
R_LOAD = 500Ω, bit HPE = 0
R_LOAD = 500Ω, bit HPE = 0
AMC1210
MIN
TYP
MAX UNIT
2.4
4.44
4.5
3.3
2.7
24.5
260
850
78
83
140
4.60
4.73
0.26
4.60
4.73
0.26
V
V
0.4
V
0.5
V
90 MHz
22 MHz
25 MHz
40 MHz
22 MHz
5.5
5.5
V
5.5
V
mW
µA/MHz
µA/MHz
µA/MHz
µA/MHz
µA/MHz
V
0.4
V
V
0.4
V
(1) Power consumption with two filter modules functioning, both set to Sinc³, SOSR = 256.
(2) The filter module is configured with the comparator unit filter set to Sinc³, COSR = 32 and the sinc unit filter set to Sinc³ structure and
SOSR = 256.
(3) All three modes.
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