AD7367 Analog Devices, AD7367 Datasheet - Page 11

• Manufacturer Part Number: AD7367
• Description: True Bipolar Input, Dual 14-Bit, 2-Channel, Simultaneous Sampling SAR ADC
• Manufacturer: Analog Devices

Specifications of AD7367

• Resolution (bits): 14bit
• # Chan: 4
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Bip,SE-Uni
• Ain Range: Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 5.0V,Uni (Vref) x 4,Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, unless otherwise noted.
–100
–120
–140
–160
–20
–40
–60
–80
–0.5
–1.0
–1.5
–2.0
–0.2
–0.4
–0.6
–0.8
–1.0
2.0
1.5
1.0
0.5
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
50
2000
2000
100
Figure 3. AD7367 Typical DNL
Figure 4. AD7367 Typical INL
4000
4000
150
Figure 5. AD7367 FFT
6000
6000
FREQUENCY (kHz)
200
8000
CODE
8000
CODE
250
SNR = 76dB, SINAD = 75dB
10000
300
10000
INTERNAL REFERENCE
INTERNAL REFERENCE
INTERNAL REFERENCE
f
S
V
V
AV
V
AV
AV
= 1MSPS,
DD
DD
DD
CC
CC
CC
350
= 15V, V
= 15V, V
= 15V, V
12000
12000
= 5V, DV
= 5V, DV
= 5V, DV
V
400
V
V
f
f
f
S
DRIVE
IN
S
DRIVE
DRIVE
SS
SS
T
SS
T
14000
14000
= 1MSPS
= 1MSPS
A
A
= 50kHz
CC
CC
CC
= –15V
= –15V
= –15V
= 25°C
= 25°C
450
= 5V
= 3V
= 5V
= 3V
= 5V
= 3V
16000
16000
500
Rev. D | Page 11 of 28
Figure 7. THD vs. Analog Input Frequency for Various Source Impedances
–76
–78
–80
–82
–84
–86
–66
–71
–76
–81
–86
77
75
73
71
69
67
10
10
10
AV
V
V
f
INTERNAL REFERENCE
±5V RANGE
AV
V
V
f
INTERNAL REFERENCE
S
S
DD
DRIVE
DD
DRIVE
= 1MSPS
CC
= 1MSPS
CC
Figure 8. SINAD vs. Analog Input Frequency
= 15V, V
Figure 6. THD vs. Analog Input Frequency
= 15V, V
= 5V, DV
R
= 5V, DV
= 3V
IN
= 3V
= 5100Ω
0V TO 10V RANGE
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
R
SS
SS
IN
CC
CC
= –15V
= –15V
= 3000Ω
= 5V
= 5V
0V TO 10V RANGE
R
IN
= 3900Ω
100
100
100
R
R
IN
IN
±5V RANGE
INTERNAL REFERENCE
AD7366/AD7367
= 2000Ω
= 56Ω
V
AV
DD
±5V RANGE
CC
= 15V, V
±10V RANGE
R
= 5V, DV
IN
R
±10V RANGE
= 470Ω
IN
V
f
R
S
DRIVE
SS
IN
= 240Ω
= 1MSPS
CC
= 1300Ω
= –15V
= 5V
= 3V
1000
1000
1000