AD7934BRUZ-6 Analog Devices Inc, AD7934BRUZ-6 Datasheet - Page 11

• Manufacturer Part Number: AD7934BRUZ-6
• Description: IC ADC 12BIT 4CH 625KSPS 28TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7934BRUZ-6

• Data Interface: Parallel
• Number Of Bits: 12
• Sampling Rate (per Second): 625k
• Number Of Converters: 1
• Power Dissipation (max): 13.5mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 12bit
• Input Channel Type: Differential, Single Ended
• Supply Voltage Range - Analogue: 2.7V To 5.25V
• Supply Voltage Range - Digital: 2.7V To 5.25V
• Supply: RoHS Compliant
• Sampling Rate: 1.5MSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
T
Figure 5. AD7934 SINAD vs. Analog Input Frequency for Various Supply Voltages
A
= 25°C, unless otherwise noted.
Figure 3. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–100
–110
–120
–60
–70
–80
–90
–70
–75
–80
–85
–90
–95
80
70
60
50
40
30
20
10
0
0
100mV p-p SINE WAVE ON V
NO DECOUPLING
DIFFERENTIAL/SINGLE-ENDED MODE
INTERNAL/EXTERNAL REFERENCE
V
F
RANGE = 0 TO V
DIFFERENTIAL MODE
DD
SAMPLE
100
= 5V
100
Figure 4. Channel-to-Channel Isolation
EXT REF
INT REF
210
= 1.5MSPS
200
SUPPLY RIPPLE FREQUENCY (kHz)
200
300
REF
NOISE FREQUENCY (kHz)
300
FREQUENCY (kHz)
410
400
500
400
DD
V
AND/OR V
DD
600
610
= 3V
500
V
DD
700
DRIVE
= 5V
600
800
810
700
900
1010
1000
800
Rev. B | Page 11 of 32
–100
–110
–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
–10
–20
–30
–40
–50
–60
–70
–80
–90
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
Figure 7. AD7934 Typical DNL @ V
500
500
Figure 8. AD7934 Typical INL @ V
Figure 6. AD7934 FFT @ V
1000
1000
1500
1500
FREQUENCY (kHz)
2000
2000
CODE
CODE
AD7933/AD7934
2500
2500
DD
V
DIFFERENTIAL MODE
V
DIFFERENTIAL MODE
4096 POINT FFT
V
F
F
SINAD = 70.94dB
THD = –90.09dB
DIFFERENTIAL MODE
SAMPLE
IN
= 5 V
DD
DD
DD
DD
DD
= 49.62kHz
= 5V
= 5V
= 5V
3000
3000
= 5 V
= 5 V
= 1.5MSPS
3500
3500
4000
4000