AD7656BSTZ-1 Analog Devices Inc, AD7656BSTZ-1 Datasheet - Page 16

• 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

AD7656-1/AD7657-1/AD7658-1
2.510
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
3500
3000
2500
2000
1500
1000
3.20
3.15
3.10
3.05
3.00
2.95
2.90
2.85
2.80
2.75
2.70
500
0
–55
–55
–5
0
AV
V
Figure 16. Reference Voltage vs. Temperature
DD
Figure 17. Conversion Time vs. Temperature
CC
Figure 18. AD7656-1 Histogram of Codes
/V
–35
–35
57
–4
/DV
SS
CC
= ±12V
–15
–15
/V
392
–3
DRIVE
5
5
= 5V
2806
TEMPERATURE (°C)
TEMPERATURE (°C)
–2
25
25
CODE
3212
–1
45
45
V
AV
INTERNAL REFERENCE
8192 SAMPLES
1532
AV
V
DD
0
DD
CC
65
65
/V
CC
/V
/DV
SS
/DV
SS
168
= ±15V
CC
1
= ±12V
CC
85
85
/V
/V
DRIVE
DRIVE
25
105
105
2
= 5V
= 5V
125
125
0
3
Rev. 0 | Page 16 of 32
–100
–105
–110
–115
–120
–90
–95
90
89
88
87
86
85
100
90
80
70
60
50
40
–40
–60
30
f
f
INTERNAL REFERENCE
SAMPLE
IN
= 10kHz
–40
Figure 19. PSRR vs. Supply Ripple Frequency
±5V RANGE
AV
V
–20
Figure 21. AD7656-1 THD vs. Temperature
Figure 20. AD7656-1 SNR vs. Temperature
80
DD
CC
/V
= 250kSPS
–20
/DV
±5V RANGE
AV
V
SS
130
DD
0
CC
CC
= ±12V
/V
SUPPLY RIPPLE FREQUENCY (kHz)
/DV
/V
SS
0
180
DRIVE
CC
= ±12V
20
TEMPERATURE (°C)
TEMPERATURE (°C)
/V
20
DRIVE
= 5V
230
40
= 5V
40
280
±10V RANGE
AV
V
DD
±10V RANGE
AV
V
60
CC
DD
/V
CC
60
/DV
/V
330
SS
f
f
INTERNAL REFERENCE
SAMPLE
IN
/DV
SS
f
±2 × V
INTERNAL REFERENCE
T
f
100nF ON V
SAMPLE
IN
V
CC
= ±16.5V
A
= 10kHz
80
DD
CC
= ±16.5V
= 25°C
= 10kHz
80
/V
380
/V
DRIVE
REF
= 250kSPS
V
DRIVE
100
= 250kSPS
SS
100
RANGE
430
= 5.25V
DD
= 5.25V
AND V
120
120
480
SS
140
140
530