AD7997BRUZ-1 Analog Devices Inc, AD7997BRUZ-1 Datasheet - Page 12

• Manufacturer Part Number: AD7997BRUZ-1
• Description: IC ADC 10BIT 8CHAN I2C 20TSSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7997BRUZ-1

• Data Interface: I²C, Serial
• Operating Temperature: -40°C ~ 85°C
• Number Of Bits: 10
• Sampling Rate (per Second): 188k
• Number Of Converters: 1
• Power Dissipation (max): 2.2mW
• Voltage Supply Source: Single Supply
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Resolution (bits): 10bit
• Input Channel Type: Single Ended
• Supply Voltage Range - Analogue: 2.7V To 5.5V
• Supply Current: 1.4mA
• No. Of Pins: 20
• Sampling Rate: 188kSPS
• Rohs Compliant: Yes
• Number Of Elements: 1
• Resolution: 10Bit
• Architecture: SAR
• Sample Rate: 188KSPS
• Input Polarity: Unipolar
• Input Type: Voltage
• Rated Input Volt: 2.5V
• Differential Input: No
• Power Supply Requirement: Single
• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Power Dissipation: 6.05mW
• Differential Linearity Error: ±0.5LSB
• Integral Nonlinearity Error: ±0.5LSB
• 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-AD7997CBZ - BOARD EVALUATION AD7997
• Lead Free Status / Rohs Status: Compliant

AD7997/AD7998
TYPICAL PERFORMANCE CHARACTERISTICS
–100
–120
–110
–20
–40
–60
–80
–10
–30
–50
–70
–90
100
30
90
80
70
60
50
40
20
0
Figure 4. AD7998 Dynamic Performance with 5 V Supply and
Figure 5. AD7997 Dynamic Performance with 5 V Supply and
10
0
0
V
DD
= 3V
Figure 6. PSRR vs. Supply Ripple Frequency
10
SUPPLY RIPPLE FREQUENCY (kHz)
2.5 V Reference, 121 kSPS, Mode 1
2.5 V Reference, 121 kSPS, Mode 1
V
INPUT FREQUENCY (kHz)
DD
20
20
= 5V
FREQUENCY (kHz)
100
30
V
200mV p-p SINE WAVE
ON V
2nF CAPACITOR ON V
DD
= 3V/5V
40
40
DD
FS = 121kSPS
FSCL = 3.4MHz
FIN = 10kHz
SNR = 71.84dB
SINAD = 71.68dB
THD = 86.18dB
SFDR = –88.70dB
FS = 121kSPS
FSCL = 3.4MHz
FIN = 10kHz
SINAD = 61.63dB
THD = 91.82dB
SFDR = –94.95dB
50
DD

1000
60
60
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–0.2
–0.4
–0.6
–0.8
–1.0
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
65
55
75
70
60
50
45
40
Figure 9. Typical DNL, V
Figure 8. Typical INL, V
0
0
1
0
0
Figure 7. AD7998 SINAD vs. Analog Input Frequency for
500
500
Various Supply Voltages, 3.4 MHz f
1000
1000
10
1500
1500
FREQUENCY (kHz)
DD
DD
= 5.5 V, Mode 1, 3.4 MHz f
= 5.5 V, Mode 1, 3.4 MHz f
CODE
2000
CODE
2000
V
DD
= 4.5V
2500
2500
V
DD
V
DD
100
= 3V
= 3.3V
3000
3000
SCL
, 136 kSPS
V
DD
V
V
= 2.7V
3500
3500
DD
DD
SCL
SCL
= 5.5V
, 121 kSPS
= 5V
, 121 kSPS
4000
4000
1000