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参数资料
| 型号： | LC7851E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QFP-64 |
| 文件页数： | 6/9页 |
| 文件大小： | 165K |
| 代理商： | LC7851E |
No. 5691-6/9
LC7851E
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
VDD
–0.3 to +7.0
V
Input voltage
VI1
Pins other than SCL and SDA
–0.3 to VDD+0.3
V
VI2
SCL and SDA
–0.3 to +5.3
V
Output voltage
VO
–0.3 to VDD +0.3
V
Allowable power dissipation
Pd max
Ta = –20 to +75°C
360
mW
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–40 to +125
°C
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
VDD
4.5
5.0
5.5
V
Input high-level voltage
VIH
0.75 VDD
VDD
V
Input low-level voltage
VIL
0
0.25 VDD
V
QPSKI input voltage
VQPSKI
0.7
0.9
1.1
V
Allowable Operating Ranges at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
IDD
68
98
mA
VOH = VDD – 0.4 V ; VOH = VDD – 0.4 V,
IOH1
CMOS output pins:PHCNT, LOIN, MOD,
1.0
mA
DSTRO, FRM, ERR, CK2M, BSTRO, MUTO,
Output high-level current
DADO, REQ, SYCKO
IOH2
VOH = VCK5MH – 25 mV, CK5M
–350
–100
A
VOL = 0.4 V ; CMOS output pins: PHCNT,
IOL1
LOIN, MOD, DSTRO, FRM, ERR, CK2M,
1.0
mA
BSTRO, MUTO, DADO, REQ, SYCKO
IOL2
VOL = 0.4 V, open drain output
1.0
mA
Output low-level current 1
Pin 1: P0 to P7
IOL3
VOL = 0.4 V, open drain output
4.0
mA
Pin 2: SDA
IOL4
VOL = VCK5ML + 25 mV, CK5M
100
350
A
Output amplitude level
VCK5M
IOH = 30 A, CK5M
236
295
354
mV
VI = VDD, Schmitt inputs: TSL, RST, TEST1,
Input high-level current
IIH
TEST2, BSTRI, DSTRI1, DSTRI2, DASL,
10
A
MUTI, SCL, SDA, P0 to P7
VI = VSS, Schmitt inputs: TSL, RST, TEST1,
Input low-level current
IIL
TEST2, BSTRI, DSTRI1, DSTRI2, DASL,
–10
A
MUTI, SCL, SDA, P0 to P7
Output load resistance
RL
AOUTL and AOUTR
5.0
k
DC Characteristics at Ta = –20 to +75°C, VDD = 4.5 to 5.5 V, GND = 0 V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Resolution
RES
1 kHz 0 dB
16
Bits
Total harmonic distortion
THD1
1 kHz A mode, FS - 18 dB *
0.08
%
THD2
1 kHz B mode, FS - 18 dB *
0.05
%
Signal-to-noise ratio
S/N
1 kHz 0 dB *
105
dB
Crosstalk
C. T
1 kHz 0 dB *
95
dB
Full scale output voltage
VFS
2.8
3.0
3.2
Vp-p
D/A Converter Characteristics at Ta = –20 to +75°C, VDD = 4.5 to 5.5 V, GND = 0 V
Note: *Values when measured in the Sanyo evaluation board and with a QPSK modulated signal (1 kHz sine wave) input.
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