AD1555 Analog Devices, AD1555 Datasheet - Page 6

• Manufacturer Part Number: AD1555
• Description: 24-Bit, 121 dB typical SNR, Sigma-Delta A/D converter with Integrated PGA
• Manufacturer: Analog Devices

Specifications of AD1555

• Resolution (bits): 24bit
• # Chan: 2
• Sample Rate: 256kSPS
• Interface: Byte,Ser
• Analog Input Type: Diff-Bip,SE-Bip
• Ain Range: Bip 2.25V/(PGA Gain)
• Adc Architecture: Sigma-Delta Modulator
• Pkg Type: LCC

AD1555/AD1556
MDATA
TDATA
CLKIN
MCLK
SYNC
(F
S
)
ERROR
RESET
CLKIN
SYNC
DRDY
t
10
t
1
t
3
Figure 4. AD1556 RESET, DRDY, and Overwrite Timings
t
11
t
Figure 3. AD1555/AD1556 Interface Timing
t
2
8
t
4
VALID
t
1
DATA VALID
t
9
t
6
t
2
t
12
–6–
t
5
t
7
VALID
t
DATA VALID
13
t
14
t
12
REV. B