AD7942BRMZ Analog Devices Inc, AD7942BRMZ Datasheet - Page 10

• Manufacturer Part Number: AD7942BRMZ
• Description: IC ADC 14BIT 250KSPS 10-MSOP
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7942BRMZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 14
• Sampling Rate (per Second): 250k
• Number Of Converters: 1
• Power Dissipation (max): 1.25mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-TFSOP (0.118", 3.00mm Width)
• Resolution (bits): 14bit
• Sampling Rate: 250kSPS
• Input Channel Type: Pseudo Differential
• Supply Voltage Range - Analog: 2.3V To 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7942CB - BOARD EVALUATION FOR AD7942
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD7942
86
85
84
83
82
2.0
90
85
80
75
70
95
90
85
80
75
Figure 11. SNR, SINAD, and ENOB vs. Reference Voltage
0
–55
2.5
–35
Figure 12. SINAD vs. Frequency
Figure 13. SNR vs. Temperature
–15
3.0
50
REFERENCE VOLTAGE (V)
SINAD
5
FREQUENCY (kHz)
TEMPERATURE (°C)
3.5
SNR
ENOB
V
REF
25
100
= 2.5V
4.0
V
V
REF
45
REF
V
REF
= 5V, –10dB
= 5V
= 2.5V, –1dB
4.5
65
V
150
REF
85
5.0
= 5V, –1dB
105
5.5
15.0
14.5
14.0
13.5
13.0
200
125
Rev. B | Page 10 of 24
–100
–105
–110
–115
–100
–110
–120
1000
750
500
250
–80
–85
–90
–95
–90
0
–55
2.3
0
f
S
–35
= 100kSPS
2.7
Figure 16. Operating Currents vs. Supply
V
Figure 15. THD vs. Temperature
40
–15
REF
Figure 14. THD vs. Frequency
3.1
V
= 2.5V
REF
5
TEMPERATURE (°C)
= 2.5V, –1dB
3.5
FREQUENCY (kHz)
80
SUPPLY (V)
VDD
VIO
25
V
3.9
REF
45
= 5V, –1dB
120
V
4.3
REF
65
= 5V
4.7
85
160
5.1
105
125
5.5
200