AD7685CRMRL7 Analog Devices Inc, AD7685CRMRL7 Datasheet - Page 10
![IC ADC 16BIT PSEUDO-DIFF 10-MSOP](/photos/6/60/66034/505-10-msop_sml.jpg)
AD7685CRMRL7
Manufacturer Part Number
AD7685CRMRL7
Description
IC ADC 16BIT PSEUDO-DIFF 10-MSOP
Manufacturer
Analog Devices Inc
Series
PulSAR®r
Datasheet
1.AD7685BCPZRL7.pdf
(28 pages)
Specifications of AD7685CRMRL7
Design Resources
Parametric Measurement Unit and Supporting Components for PAD Appls Using AD5522 and AD7685 (CN0104) Integrated Device Power Supply for PAD with Output Voltage Range 0 V to 25 V (CN0130)
Number Of Bits
16
Sampling Rate (per Second)
250k
Data Interface
DSP, MICROWIRE™, QSPI™, Serial, SPI™
Number Of Converters
1
Power Dissipation (max)
15mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-TFSOP (0.118", 3.00mm Width)
For Use With
EVAL-AD7685CBZ - BOARD EVAL FOR AD7685
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AD7685
TYPICAL PERFORMANCE CHARACTERISTICS
250000
200000
150000
100000
–100
–120
–140
–160
–180
50000
–0.5
–1.0
–1.5
–2.0
–20
–40
–60
–80
2.0
1.5
1.0
0.5
0
0
0
0
0
80E5 80E6 80E7 80E8 80E9
Figure 8. Histogram of a DC Input at the Code Center
0
20
Figure 7. Integral Nonlinearity vs. Code
0
16384
12
40
FREQUENCY (kHz)
Figure 9. FFT Plot
29041
CODE IN HEX
CODE
32768
60
204292
8192 POINT FFT
VDD = REF = 5V
f
f
SNR = 93.3dB
THD = –111.6dB
SFDR = –113.7dB
SECOND HARMONIC = –113.7dB
THIRD HARMONIC = –117.6dB
S
IN
= 250kSPS
= 20.45kHz
POSITIVE INL = +0.33LSB
NEGATIVE INL = –0.50LSB
27755
80EA 80EB 80EC 80ED
80
49152
20
VDD = REF = 5V
100
0
120
65536
0
Rev. B | Page 10 of 28
140000
120000
100000
–100
–120
–140
–160
–180
80000
60000
40000
20000
–0.5
–1.0
–1.5
–2.0
–20
–40
–60
–80
2.0
1.5
1.0
0.5
0
0
0
0
0
804E 804F 8050 8051 8052 8053 8054 8055 8056 8057
Figure 11. Histogram of a DC Input at the Code Center
0
Figure 10. Differential Nonlinearity vs. Code
20
2
16384
213
40
8667
Figure 12. FFT Plot
FREQUENCY (kHz)
60966
CODE IN HEX
CODE
32768
60
16384 POINT FFT
VDD = REF = 2.5V
f
f
SNR = 88.8dB
THD = –103.5dB
SFDR = –104.5dB
SECOND HARMONIC = –112.4dB
THIRD HARMONIC = –105.4dB
125055
S
IN
= 250kSPS
= 20.45kHz
POSITIVE DNL = +0.21LSB
NEGATIVE DNL = –0.30LSB
59082
80
6956
49152
VDD = REF = 2.5V
179
100
0
120
8058
65536
0