AD7329 Analog Devices, AD7329 Datasheet - Page 11

• Manufacturer Part Number: AD7329
• Description: 1 MSPS , 8-Channel, Software Selectable True Bipolar Input, 12-Bit Plus Sign A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7329

• Resolution (bits): 13bit
• # Chan: 8
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 2.5V,Bip 5.0V,Uni (Vref),Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

TYPICAL PERFORMANCE CHARACTERISTICS
–100
–120
–140
–100
–120
–140
–0.2
–0.4
–0.6
–0.8
–1.0
–20
–40
–60
–80
–20
–40
–60
–80
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
512
Figure 6. Typical DNL for True Differential Mode
50
50
1024
Figure 4. FFT for True Differential Mode
Figure 5. FFT for Single-Ended Mode
1536
100
100
2048
150
150
2560
3072
FREQUENCY (kHz)
FREQUENCY (kHz)
200
200
3584
CODE
4096
250
250
4608
V
T
V
INT/EXT 2.5V REFERENCE
±10V RANGE
+DNL = +0.72LSB
–DNL = –0.22LSB
4096 POINT FFT
V
V
T
INT/EXT 2.5V REFERENCE
±10V RANGE
f
SNR = 77.30dB
SINAD = 76.85dB
THD = –86.96dB
SFDR = –88.22dB
4096 POINT FFT
V
V
T
INT/EXT 2.5V REFERENCE
±10V RANGE
f
SNR = 74.67dB
SINAD = 74.03dB
THD = –82.68dB
SFDR = –85.40dB
IN
IN
CC
A
DD
CC
DD
A
A
CC
DD
300
300
5120
= 25°C
= 25°C
= 50kHz
= 25°C
= 50kHz
= V
= 15V, V
= V
= 15V, V
= V
= 15V, V
5632
DRIVE
DRIVE
DRIVE
350
350
6144
SS
SS
SS
= 5V
= 5V
= 5V
6656
400
400
= –15V
= –15V
= –15V
7168
450
450
7680
8192
500
500
Rev. A | Page 11 of 40
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
V
T
V
V
T
V
INT/EXT 2.5V REFERENCE
512
512
512
CC
A
DD
A
CC
DD
Figure 7. Typical INL for True Differential Mode
= 25°C
Figure 8. Typical DNL for Single-Ended Mode
= 25°C
Figure 9. Typical INL for Single-Ended Mode
1024
1024
1024
= V
= 15V, V
= V
= 15V, V
DRIVE
1536
DRIVE
1536
1536
2048
2048
2048
SS
SS
= 5V
= 5V
= –15V
2560
2560
2560
= –15V
3072
3072
3072
INT/EXT 2.5V REFERENCE
±10V RANGE
+INL = +0.55LSB
–INL = –0.68LSB
3584
3584
3584
CODE
CODE
CODE
4096
4096
4096
±10V RANGE
+DNL = +0.79LSB
–DNL = –0.38LSB
4608
4608
4608
V
T
V
INT/EXT 2.5V REFERENCE
±10V RANGE
+INL = +0.87LSB
–INL = –0.49LSB
A
CC
DD
5120
5120
5120
= 25°C
= V
= 15V, V
5632
5632
5632
DRIVE
6144
6144
6144
SS
= 5V
6656
6656
6656
= –15V
7168
7168
7168
AD7329
7680
7680
7680
8192
8192
8192