EFM32-TG822F32-SK Energy Micro, EFM32-TG822F32-SK Datasheet - Page 34

• Manufacturer Part Number: EFM32-TG822F32-SK
• Description: MCU, MPU & DSP Development Tools TG822 Sample Kit
• Manufacturer: Energy Micro

Specifications of EFM32-TG822F32-SK

• Processor To Be Evaluated: EFM32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.12 Operational Amplifier (OPAMP)
2012-02-27 - EFM32TG822FXX - d0052_Rev0.95
The electrical characteristics for the Operational Amplifiers are based on simulations.
Table 3.17. OPAMP
Symbol
SR
f
CYC
t
t
SNR
SNDR
SFDR
V
DNL
INL
MC
Symbol
I
G
DAC
DACCONV
DACSETTLE
OPAMP
DACOFFSET
OL
DAC
DAC
DAC
DAC
DACCONV
DAC
DAC
DAC
Parameter
Sample rate
DAC clock frequency
Clock cyckles per conver-
sion
Conversion time
Settling time
Signal to Noise Ratio
(SNR)
Signal to Noise-pulse Dis-
tortion Ratio (SNDR)
Spurious-Free Dynamic
Range(SFDR)
Offset voltage
Differential non-linearity
Integral non-linearity
No missing codes
Parameter
Active Current
Open Loop Gain
Condition
Continuous Mode
Sample/Hold Mode
Sample/Off Mode
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
500 kSamples/s, 12 bit, sin-
gle ended, internal 1.25V ref-
erence
500 kSamples/s, 12 bit, sin-
gle ended, internal 2.5V refer-
ence
After calibration, single ended
Condition
OPA2 BIASPROG=0xF,
HALFBIAS=0x0, Unity Gain
OPA2 BIASPROG=0x7,
HALFBIAS=0x1, Unity Gain
OPA2 BIASPROG=0x0,
HALFBIAS=0x1, Unity Gain
OPA2 BIASPROG=0xF,
HALFBIAS=0x0
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34
Min
Min
2
Typ
Typ
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400
100
101
58
59
57
54
62
56
±1
±5
12
13
2
5
2
Max
Max
1000 kHz
500 ksam-
250 kHz
250 kHz
Unit
ples/s
µs
µs
dB
dB
dB
dB
dBc
dBc
mV
LSB
LSB
bits
Unit
µA
µA
µA
dB