AD7609BSTZ Analog Devices Inc, AD7609BSTZ Datasheet - Page 17

• Manufacturer Part Number: AD7609BSTZ
• Description: 58T8900
• Manufacturer: Analog Devices Inc

Specifications of AD7609BSTZ

• Resolution (bits): 18bit
• Sampling Rate: 250kSPS
• Input Channel Type: Differential
• Data Interface: Serial, SPI
• Supply Voltage Range - Analog: 4.75V To 5.25V
• Rohs Compliant: Yes

Figure 21. THD vs. Input Frequency for Various Source Impedances,
Figure 22. THD vs. Input Frequency for Various Source Impedances,
–100
–120
–100
–120
–110
–110
105
100
95
90
85
80
–60
–70
–80
–90
–40
–50
–60
–70
–80
–90
10
1
1
Figure 20. SNR vs. Input Frequency, ±5 V Range
NO OS
OS × 2
OS × 4
OS × 8
OS × 16
OS × 32
OS × 64
100
INPUT FREQUENCY (Hz)
FREQUENCY (kHz)
FREQUENCY (kHz)
±10 V Range
±5 V Range
f
SAMPLE
10k
10
10
CHANGES WITH OS RATE
INTERNAL REFERENCE
±10V RANGE
AV
T
f
R
ON V
±5V RANGE
AV
T
f
R
ON V
SAMPLE
A
SOURCE
SAMPLE
AV
A
SOURCE
CC
= 25°C
CC
= 25°C
CC
10k
x
, V
x
+, V
, V
+, V
, V
±5V RANGE
DRIVE
0Ω
10Ω
500Ω
1.2kΩ
5kΩ
10kΩ
0Ω
10Ω
500Ω
1.2kΩ
5kΩ
10kΩ
= 200 kSPS
DRIVE
= 200 kSPS
MATCHED
DRIVE
x
MATCHED
T
– INPUTS
x
A
– INPUTS
= 25°C
= 5V
= 5V
= 5V
100k
100
100
Rev. 0 | Page 17 of 36
–100
–110
–120
–130
–140
Figure 24. Bipolar Zero Code Error Matching Between Channels
–50
–60
–70
–80
–90
–2
–4
–6
–12
–16
8
6
4
2
0
16
12
–4
–8
–40
8
4
0
–40
0
Figure 23. Bipolar Zero Code Error vs. Temperature
AV
INTERNAL REFERENCE
AD7609 RECOMMENDED DECOUPLING USED
f
T
SAMPLE
±5V RANGE
A
–25
20
CC
Figure 25. Channel-to-Channel Isolation
= 25°C
–20
±10V RANGE
, V
±5V RANGE
DRIVE
= 200kSPS
–10
40
±5V RANGE
= 5V
NOISE FREQUENCY (kHz)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
60
±10V RANGE
20
20
80
200 kSPS
AV
EXTERNAL REFERENCE
±10V RANGE
CC
35
200kSPS
AV
EXTERNAL REFERENCE
100
,V
40
DRIVE
CC
, V
50
120
= 5V
DRIVE
60
= 5V
65
140
AD7609
80
80
160