AD7709 Analog Devices, AD7709 Datasheet - Page 7

• Manufacturer Part Number: AD7709
• Description: 16-Bit Sigma Delta ADC with Current Sources, Switchable Reference Inputs and I/O Port
• Manufacturer: Analog Devices

Specifications of AD7709

• Resolution (bits): 16bit
• # Chan: 4
• Sample Rate: n/a
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: (2Vref/PGA Gain) p-p
• Adc Architecture: Sigma-Delta
• Pkg Type: SOP

REV. A
DOUT
SCLK
SCLK
RDY
DIN
CS
CS
t
t
3
11
t
t
4
5A
t
12
Figure 1. Load Circuit for Timing Characterization
MSB
MSB
t
5
t
13
TO OUTPUT
Figure 2. Write Cycle Timing Diagram
Figure 3. Read Cycle Timing Diagram
PIN
50pF
t
14
t
6
t
15
t
7
–7–
I
I
SINK
SOURCE
(1.6mA WITH V
100 A WITH V
(200 A WITH V
100 A WITH V
1.6V
DD
DD
= 3V)
= 5V
DD
DD
= 3V)
= 5V
LSB
LSB
t
t
10
16
t
8
t
9
AD7709