AD7686BRMZ Analog Devices Inc, AD7686BRMZ Datasheet - Page 9

• Manufacturer Part Number: AD7686BRMZ
• Description: IC ADC 16BIT 500KSPS 10-MSOP
• Manufacturer: Analog Devices Inc
• Series: PulSAR®r

Specifications of AD7686BRMZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 16
• Sampling Rate (per Second): 500k
• Number Of Converters: 1
• Power Dissipation (max): 21.5mW
• 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): 16bit
• Input Channel Type: Pseudo Differential
• Supply Voltage Range - Analogue: 4.5V To 5.5V
• Supply Voltage Range - Digital: 1.8V To 5.8V, 2.3V To 5.8V
• Sampling Rate: 500kSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7686CBZ - BOARD EVALUATION FOR AD7686
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
250000
200000
150000
100000
50000
–100
–120
–140
–160
–180
–0.5
–1.0
–1.5
–2.0
–20
–40
–60
–80
2.0
1.5
1.0
0.5
0
0
0
Figure 8. Histogram of a DC Input at the Code Center
0
0
8026
0
20
Figure 7. Integral Nonlinearity vs. Code
40
8027
0
16384
60
8028
26
80
Figure 9. FFT Plot
FREQUENCY (kHz)
27583
8029
100
CODE IN HEX
32768
CODE
120
202719
8192 POINT FFT
VDD = REF = 5V
f
f
SNR = 92.8dB
THD = –108.7dB
SECOND HARMONIC = –110.1dB
THIRD HARMONIC = –119.2dB
802A
S
IN
= 500kSPS
= 19.99kHz
140 160 180
POSITIVE INL = +0.52LSB
NEGATIVE INL = –0.38LSB
30770
802B 802C 802D
49152
22
VDD = REF = 5V
200 220 240
0
802E
0
65535
Rev. B | Page 9 of 28
95
94
93
92
91
90
160000
140000
120000
100000
–10
80000
60000
40000
20000
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
Figure 11. Histogram of a DC Input at the Code Transition
0
0
0
8024
0
Figure 10. Differential Nonlinearity vs. Code
–8
Figure 12. SNR and THD vs. Input Level
8025
0
16384
THD
SNR
INPUT LEVEL (dB)
1703
8026
–6
124164
CODE IN HEX
8027
32768
CODE
–4
133575
8028
POSITIVE DNL = +0.35LSB
NEGATIVE DNL = –0.36LSB
1678
8029
49152
–2
VDD = REF = 5V
802A
0
AD7686
802B
0
–105
–108
–111
–114
–117
–120
0
65535