AD7450BRZ Analog Devices Inc, AD7450BRZ Datasheet - Page 2

• Manufacturer Part Number: AD7450BRZ
• Description: 3V/5V DIFFERENTIAL INPUT 12 BIT SAR IC
• Manufacturer: Analog Devices Inc

Specifications of AD7450BRZ

• Number Of Bits: 12
• Sampling Rate (per Second): 1M
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 9.25mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7450CBZ - BOARD EVALUATION FOR AD7450
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD7450–SPECIFICATIONS
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT
LOGIC INPUTS
LOGIC OUTPUTS
V
Signal-to-(Noise + Distortion) Ratio
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Full Power Bandwidth
Power Supply Rejection Ratio
Resolution
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Zero Code Error
Positive Gain Error
Negative Gain Error
Full-Scale Input Span
Absolute Input Voltage
DC Leakage Current
Input Capacitance
V
DC Leakage Current
V
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
DD
(SINAD)
REF
REF
Second Order Terms
Third Order Terms
(PSRR)
V
V
= 4.75 V to 5.25 V, f
IN+
IN–
Input Voltage
Input Capacitance
3
3, 4
3
3
IN
3
3
3
SCLK
IN
INL
INH
3
8
OL
OH
= 18 MHz, f
3
3
3
3
3
8
S
= 1 MSPS, V
Conditions/Comments
V
V
V
V
V
V
@ –3 dB
@ –0.1 dB
Guaranteed No Missed
Codes to 12 Bits
V
V
V
V
V
V
2
V
V
When in Track
When in Hold
5 V supply (± 1% tolerance for
specified performance)
3 V supply (± 1% tolerance for
specified performance)
Typically 10 nA, V
V
V
I
SINK
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
CM
CM
DD
DD
2
2
V
= 5 V
= 3 V
= 5 V, –80 dB typ
= 3 V, –78 dB typ
= 5 V, –82 dB typ
= 3 V, –80 dB typ
= 5 V
= 3 V
= 5 V
= 3 V
= 5 V
= 3 V
= 5 V, I
= 3 V, I
= 200 µA
= V
= V
REF
REF
1
(V
5
= 2.5 V, F
REF
REF
DD
= 2.7 V to 3.3 V, f
SOURCE
SOURCE
IN
IN
= 200 µA
= 200 µA
–2–
= 300 kHz; V
= 0 V or V
SCLK
DD
CM
= 15 MHz, f
2
= V
A Version
70
68
–75
–73
–75
–73
–85
–85
10
50
20
2.5
–87
12
± 2
–1/+2
± 3
± 6
± 3
± 6
± 3
± 6
V
V
V
± 1
20
6
2.5
1.25
± 1
15
2.4
0.8
± 1
10
2.8
2.4
0.4
± 1
10
Two’s
Complement
REF
IN+
CM
CM
; T
6
7
– V
± V
± V
S
A
= 833 kSPS, V
= T
IN–
REF
REF
MIN
/2
/2
to T
MAX
B Version
70
68
–75
–73
–75
–73
–85
–85
10
50
20
2.5
–87
12
± 1
± 1
± 3
± 6
± 3
± 6
± 3
± 6
V
V
V
± 1
20
6
2.5
1.25
± 1
15
2.4
0.8
± 1
10
2.8
2.4
0.4
± 1
10
Two’s
Complement
, unless otherwise noted.)
REF
IN+
CM
CM
6
= 1.25 V, F
7
– V
± V
± V
IN–
REF
REF
/2
/2
IN
= 200 kHz;
Unit
dB min
dB min
dB max
dB max
dB max
dB max
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
dB typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
V
V
V
µA max
pF typ
pF typ
V
V
µA max
pF typ
V min
V max
µA max
pF max
V min
V min
V max
µA max
pF max
REV. 0