AD7927BRUZ Analog Devices Inc, AD7927BRUZ Datasheet - Page 10

• Manufacturer Part Number: AD7927BRUZ
• Description: IC ADC 12BIT 8CH 200KSPS 20TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7927BRUZ

• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Bits: 12
• Sampling Rate (per Second): 200k
• Number Of Converters: 1
• Power Dissipation (max): 7.5mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 12bit
• Sampling Rate: 200kSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Analog: 2.7V To 5.25V
• Supply Current: 1.5mA
• Number Of Elements: 1
• Resolution: 12Bit
• Architecture: SAR
• Sample Rate: 200KSPS
• Input Polarity: Unipolar
• Input Type: Voltage
• Rated Input Volt: 2.5/5V
• Differential Input: No
• Power Supply Requirement: Analog and Digital
• Single Supply Voltage (typ): 3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.25V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 7.5mW
• Differential Linearity Error: -0.9LSB/1.5LSB
• Integral Nonlinearity Error: ±1LSB
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: TSSOP
• Input Signal Type: Single-Ended
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD7927CBZ - BOARD EVALUATION FOR AD7927
• Lead Free Status / Rohs Status: Compliant

AD7927
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 5. SINAD vs. Analog Input Frequency for Various Supply Voltages
–110
–10
–30
–50
–70
–90
75
70
65
60
0
0
f
T
RANGE = 0 TO REF
SAMPLE
A
10
= 25°C
Figure 4. Dynamic Performance at 200 kSPS
20
= 200kSPS
30
INPUT FREQUENCY (kHz)
IN
FREQUENCY (kHz)
at 200 kSPS
40
50
60
AV
AV
AV
AV
4096 POINT FFT
AV
f
f
SINAD = 70.714dB
THD = –82.853dB
SFDR = –84.815dB
SAMPLE
IN
DD
DD
DD
DD
70
DD
= 50kHz
= V
= V
= V
= V
= 4.75V
DRIVE
DRIVE
DRIVE
DRIVE
= 200kSPS
80
= 5.25V
= 4.75V
= 3.6V
= 2.7V
90
100
100
Rev. A | Page 10 of 28
Figure 7. THD vs. Analog Input Frequency for Various Supply Voltages
–10
–20
–30
–40
–50
–60
–70
–80
–90
–
–55
–60
–65
–70
–75
–80
–85
–90
50
0
1
0
0
AV
200mV p-p SINE WAVE ON AV
REF
T
f
T
RANGE = 0 TO REF
A
SAMPLE
A
DD
= 25°C
= 25°C
20
IN
Figure 6. PSRR vs. Supply Ripple Frequency
= 5V
= 2.5V, 1µF CAPACITOR
= 200kSPS
40
SUPPLY RIPPLE FREQUENCY (kHz)
60
INPUT FREQUENCY (kHz)
IN
AV
at 200 kSPS
80
DD
= V
100
DD
AV
DRIVE
AV
DD
DD
120
= V
= 3.6V
= V
DRIVE
DRIVE
AV
140
DD
= 4.75V
= 2.7V
= V
160
DRIVE
180
= 5.25V
200
1
0
0