參數(shù)資料
型號(hào)： PCM4222PFB
英文描述： High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter
中文描述： 高性能，雙通道，24位，216kHz的采樣多位Δ-Σ模擬到數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 5/38頁(yè)
文件大小： 604K
代理商： PCM4222PFB
www.ti.com
ELECTRICAL CHARACTERISTICS: ANALOG INPUTS, OUTPUTS, AND DC ERROR
All specifications are at T
A
= +25
°
C, VCC1 = VCC2 = +4.0V, and VDD = +3.3V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS: POWER SUPPLIES
All specifications are at T
A
= +25
°
C, VCC1 = VCC2 = +4.0V, VDD = +3.3V, and MCKI = 12.288MHz, unless otherwise noted.
PCM4222
SBAS399A–OCTOBER 2006–REVISED MARCH 2007
PCM4222
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUTS
Applies to VINL+, VINL–, VINR+, and VINR–
Full-scale input range
Differential input
5.6
V
PP
V
PP
k
dB
Per input pin
2.8
Input impedance
Per input pin
2.8
Common-mode rejection
100
ANALOG OUTPUTS
Common-mode output, left channel
Measured from VCOML (pin 13) to AGND
0.4875
×
VCC2
V
Common-mode output, right channel
Measured from VCOMR (pin 48) to AGND
0.4875
×
VCC1
V
Common-mode output current
Applies to VCOML or VCOMR
200
μ
A
DC ERROR
Output offset error
Digital high-pass filter disabled
3
mV
Offset drift
Digital high-pass filter disabled
3.5
μ
V/
°
C
PCM4222
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLIES
Recommended supply voltage range
VCC1, VCC2
0
°
C < T
A
≤
+85
°
C
–40
°
C
≤
T
A
≤
0
°
C
–40
°
C
≤
T
A
≤
+85
°
C
+3.8
+4.0
+4.2
V
VCC1, VCC2
+3.9
+4.0
+4.2
V
VDD
+2.4
+3.3
+3.6
V
Supply current: power-down
RST (pin 36) held low with no clocks applied
ICC1 + ICC2
VCC1 = VCC2 = +4.0V
600
μ
A
μ
A
IDD
VDD = +3.3V
325
Supply current: f
S
= 48kHz
ICC1 + ICC2
VCC1 = VCC2 = +4.0V
65
75
mA
IDD
VDD = +3.3V
14
18
mA
Supply current: f
S
= 96kHz
ICC1 + ICC2
VCC1 = VCC2 = +4.0V
65
mA
IDD
VDD = +3.3V
21
mA
Supply current: f
S
= 192kHz
ICC1 + ICC2
VCC1 = VCC2 = +4.0V
65
mA
IDD
VDD = +3.3V
24
mA
Total power dissipation: power-down
3.5
mW
Total power dissipation: f
S
= 48kHz
Total power dissipation: f
S
= 96kHz
Total power dissipation: f
S
= 192kHz
305
360
mW
330
mW
340
mW
5
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