AD7656BSTZ-1 Analog Devices Inc, AD7656BSTZ-1 Datasheet - Page 17

• 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

Figure 22. Channel-to-Channel Isolation vs. Frequency of Input Noise
120
110
100
22
20
18
16
14
12
10
90
80
70
60
–40
0
AV
f
FOR ±5V RANGE V
FOR ±10V RANGE V
SAMPLE
AV
V
T
INTERNAL REFERENCE
±2 × V
30kHz ON SELECTED CHANNEL
DD
A
CC
Figure 23. Dynamic Current vs. Temperature
CC
= 25°C
–20
/V
/DV
/DV
SS
20
REF
= 250kSPS
CC
= ±12V
CC
RANGE
/V
/V
FREQUENCY OF INPUT NOISE (kHz)
DRIVE
0
DRIVE
40
±10V RANGE
DD
= 5V
DD
TEMPERATURE (°C)
= 5V
20
/V
/V
SS
60
SS
±5V RANGE
= ±12V
= ±16.5V
40
80
60
100
80
120
100
140
120
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Figure 24. PSRR vs. Supply Ripple Frequency for AV
95
90
85
80
75
70
65
60
30
AD7656-1/AD7657-1/AD7658-1
70
SUPPLY RIPPLE FREQUENCY (kHz)
110
f
±2 × V
INTERNAL REFERENCE
T
f
1µF ON AV
±100mV SUPPLY RIPPLE AMPLITUDE
SAMPLE
IN
A
= 25°C
= 10kHz
REF
= 250kSPS
150
RANGE
CC
SUPPLY PIN
190
CC
Supply
230