AD7994 Analog Devices, AD7994 Datasheet - Page 25

• Manufacturer Part Number: AD7994
• Description: 4 Channel, 12-Bit ADC with I2C Compatible Interface in 16-Lead TSSOP
• Manufacturer: Analog Devices

Specifications of AD7994

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 188kSPS
• Interface: I²C/Ser 2-Wire,Ser
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: SOP

SDA (CONTINUED)
SCL (CONTINUED)
SDA
SCL
START BY
MASTER
MOST SIGNIFICANT DATA BYTE
9
0
1
0
1
0
1
SERIAL BUS ADDRESS BYTE
0
0
A3
0
FRAME 1
D11
A2
Figure 28. Two-Byte Write Sequence
D10
A1
Rev. 0 | Page 25 of 32
D9
A0
R/W
AD7993/AD7994
D8
AD7993/AD7994
ACK. BY
ACK. BY
9
9
C4
D7
1
1
LEAST SIGNIFICANT DATA BYTE
C3
D6
ADDRESS POINTER REGISTER
C2
D5
D4
C1
FRAME 2
D3
P3
P2
D2
AD7993/AD7994
D1/0
P1
ACK. BY
D0/0
AD7993/AD7994
P0
AD7993/AD7994
ACK. BY
9
9
STOP BY
MASTER