MB88146A Datasheet, PDF (14/20 Pages) Fujitsu Component Limited. – D/A Converter for Digital Tuning (12-channel, 8-bit, on-chip OP amp., low-voltage)

MB88146A
3. Analog Output Noise Characteristic
(VDD = VCCD = VCCA = 5.0 V, Ta = +25°C)
Parameter
Symbol
Conditions
Measurement
condition
Value
Unit
Min. Typ. Max.
Digital supply noise
reduction ratio
PSRD fNOISE = 1 kHz
1
— — 20 dB
Analog supply noise
reduction ratio
PSRA fNOISE = 1 kHz
1
— — 20 dB
D/A supply noise
reduction ratio
PSRDA fNOISE = 1 kHz
1
— — 0 dB
Operating noise
• During serial transfer
• During analog operation
VN1 _{• During Hi-Z commands.}
See “Operating Noise VN1.”
2
–30 — 30 mV
• Serial → parallel conversion
See “I/O Expander Operating
Noise 1 VN2.”
I/O expander operating
noise 1
VN2
During digital-only pin operation
• During parallel → serial conversion
2
• ESR setting
During digital input/digital output
switching
–30 — 30 mV
• During serial → parallel conversion
See “I/O Expander Operating
Noise 2 VN3.”
I/O expander operating
noise 2
VN3
During digital/analog capable pin
operation
2
• ESR setting
During digital output/digital output
switching
–0.1 — 0.1 V
• Measurement condition 1
• Measurement condition 2
VCCD,VCCA,VDD
VCCD = 5.0 V,VCCA = 5.0 V,VDD = 5.0 V
AO
DUT
Input wave form
Sine wave
Offset
5.0 V
Amplitude 0.1 V
Temperature 25°C
Frequency 1 kHz
Measurement point
Pattern
input
AO
DUT
CAL = 30 pF
CLK = 2.5 MHz
SI
CS
14
Measurement point
CAL = 30 pF