AD7887AR Analog Devices Inc, AD7887AR Datasheet - Page 8

• Manufacturer Part Number: AD7887AR
• Description: A/D Converter (A-D) IC
• Manufacturer: Analog Devices Inc

Specifications of AD7887AR

• Package/case: 8-SOIC
• Features: +2.7 To 5.25V, 2?Channel, Power, 125kSPS
• Interface Type: Serial
• Number Of Bits: 12
• Number Of Channels: 1
• Mounting Type: Surface Mount
• Rohs Status: RoHS non-compliant
• Design Resources: Software Calibrated, 1 MHz to 8 GHz, 70 dB RF Power Measurement System Using AD8318 (CN0150)
• Sampling Rate (per Second): 125k
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 3.5mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7887
TYPICAL PERFORMANCE CHARACTERISTICS
–110
73.0
72.5
72.0
71.5
71.0
–10
–30
–50
–70
–90
0
0.15
Figure 6. SNR vs. Input Frequency
Figure 5. Dynamic Performance
10.89
INPUT FREQUENCY (kHz)
21.14
V
5V EXT REFERENCE
DD
4096 POINT FFT
SAMPLING
125kSPS
f
SNR = 71dB
IN
= 5V
= 10kHz
31.59
42.14
Rev. D | Page 8 of 24
–75
–77
–79
–81
–83
–85
–87
–89
–91
–93
2.65
V
100mV p-p SINE WAVE ON V
REF
DD
IN
12.85
= 5.5V/2.7V
= 2.488V EXT REFERENCE
Figure 7. PSRR vs. Frequency
23.15
INPUT FREQUENCY (kHz)
33.65
DD
43.85
54.35
64.15