AD7656BSTZ-1 Analog Devices Inc, AD7656BSTZ-1 Datasheet - Page 15

• Manufacturer Part Number: AD7656BSTZ-1
• Description: 6-CHANNEL 16-BIT SE BIPOLAR I.C.
• Manufacturer: Analog Devices Inc

Specifications of AD7656BSTZ-1

• Number Of Bits: 16
• Sampling Rate (per Second): 250k
• Data Interface: Serial, Parallel
• Number Of Converters: 6
• Power Dissipation (max): 143mW
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7656-1EDZ - BOARD EVAL CONTROL AD7656-1EVAL-AD7656-1CBZ - BOARD EVAL FOR AD7656-1EVAL-AD7656CBZ - BOARD EVAL FOR AD7656
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
90
89
88
87
86
85
84
83
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
Figure 12. AD7656-1 SINAD vs. Analog Input Frequency
0
0
10
0
0
f
T
INTERNAL REFERENCE
±5V RANGE
V
AV
V
AV
f
±5V RANGE
SAMPLE
V
AV
f
±5V RANGE
A
SAMPLE
DD
SAMPLE
DD
DD
CC
= 25°C
CC
CC
/V
/V
/V
/DV
500
500
/DV
SS
/DV
SS
SS
= 250kSPS
= ±12V
CC
Figure 11. AD7658-1 Typical DNL
= 250kSPS
= ±12V
CC
Figure 10. AD7658-1 Typical INL
= ±12V
= 250kSPS
CC
/V
/V
/V
ANALOG INPUT FREQUENCY (kHz)
1000
1000
DRIVE
DRIVE
DRIVE
= 5V
= 5V
= 5V
1500
1500
CODE
2000
2000
CODE
±10V RANGE
V
AV
DD
CC
2500
2500
/V
/DV
SS
= ±12V
CC
3000
3000
/V
DRIVE
3500
3500
= 5V
4000
4000
100
Rev. 0 | Page 15 of 32
Figure 14. AD7656-1 THD vs. Analog Input Frequency for Various Source
Figure 15. AD7656-1 THD vs. Analog Input Frequency for Various Source
–100
–110
–120
–100
–105
–110
–100
–105
–110
–115
–115
–80
–85
–90
–95
–80
–90
–80
–85
–90
–95
10
10
10
Figure 13. AD7656-1 THD vs. Analog Input Frequency
V
AV
T
INTERNAL REFERENCE
±4 × V
V
AV
T
INTERNAL REFERENCE
±2 × V
f
T
INTERNAL REFERENCE
SAMPLE
DD
A
A
A
DD
CC
CC
= 25°C
= 25°C
= 25°C
/V
AD7656-1/AD7657-1/AD7658-1
/V
/DV
/DV
SS
SS
REF
REF
= ±16.5V
= 250kSPS
CC
= ±12V
CC
RANGE
RANGE
R
Impedances, ±4 × V
Impedances, ±2 × V
/V
R
/V
SOURCE
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
ANALOG INPUT FREQUENCY (kHz)
SOURCE
DRIVE
±10V RANGE
V
AV
DRIVE
R
DD
SOURCE
CC
/V
/DV
= 5.25V
SS
= 5V
= 220Ω
= 10Ω
= ±12V
CC
= 1000Ω
/V
R
R
SOURCE
DRIVE
SOURCE
R
SOURCE
R
= 5V
REF
REF
SOURCE
= 220Ω
±5V RANGE
V
AV
= 10Ω
Range
Range
DD
R
CC
= 100Ω
/V
SOURCE
/DV
SS
= 1000Ω
R
= ±12V
CC
R
SOURCE
SOURCE
/V
= 50Ω
DRIVE
= 100Ω
= 50Ω
= 5V
100
100
100