ADS1255IDB Burr-Brown Corporation, ADS1255IDB Datasheet - Page 7

• Manufacturer Part Number: ADS1255IDB
• Description: Very Low Noise/ 24-Bit Analog-to-Digital Converter
• Manufacturer: Burr-Brown Corporation

TIMING CHARACTERISTICS FOR FIGURE 2
TIMING CHARACTERISTICS FOR FIGURE 3
TIMING CHARACTERISTICS FOR FIGURE 4
(1) CLKIN = master clock period = 1/f CLKIN .
(1) CLKIN = master clock period = 1/f CLKIN .
(1) CLKIN = master clock period = 1/f CLKIN .
SYMBOL
SYMBOL
SYMBOL
t 12
t 13
t 14
t 15
t 16
t 17
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DESCRIPTION
SCLK reset pattern, first high pulse
SCLK reset pattern, low pulse
SCLK reset pattern, second high pulse
SCLK reset pattern, third high pulse
DESCRIPTION
RESET, SYNC/PDWN, pulse width
DESCRIPTION
Conversion data invalid while being updated (DRDY shown with no data retrieval)
SCLK
Figure 3. RESET and SYNC/PDWN Timing
t
13
DRDY
t
12
Figure 4. DRDY Update Timing
Figure 2. SCLK Reset Timing
RESET, SYNC/PDWN
t
14
t
13
t
16
t
15
t
17
SBAS288D − JUNE 2003 − REVISED AUGUST 2004
1050
MIN
MIN
MIN
300
550
16
5
4
MAX
1250
MAX
MAX
500
750
ADS1255
ADS1256
CLKIN (1)
CLKIN (1)
CLKIN (1)
CLKIN
CLKIN
CLKIN
UNIT
UNIT
UNIT
7