LTC1957-2EMS#TR Linear Technology, LTC1957-2EMS#TR Datasheet - Page 5

• Manufacturer Part Number: LTC1957-2EMS#TR
• Description: IC RF PWR CONTROLLR DUAL 10-MSOP
• Manufacturer: Linear Technology

Specifications of LTC1957-2EMS#TR

• Rf Type: Cellular, GSM, GPRS, PCS, Wireless Modem, TDMA
• Frequency: 850MHz ~ 2GHz
• Features: Dual Output
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 6V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 10
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1957-2EMSTR

BLOCK DIAGRA
68
33pF
2
5
10
GND
RF
V
0.02
CC
SHUTDOWN
THERMAL
–
+
BG1
60 A
CS
200
R
METAL
0.05
SENSE
150k
28pF
OPERATE SHDN
OFFSET
TRIM
W
V
IN
3
200
60 A
TSDB
35k
35k
SHDN
(LTC1957-2)
PROGRAMMABLE
1
OVERCURRENT
V
0.02
100
METAL
IN
GAIN
TRIM
+
–
COMPRESSION
RFDET
XMT AUTOZERO
Li-Ion
g
m
7
22k
TXEN
150k
900MHz
22k
AUTOZERO
6
RF PA
33k
22k
PCTL
33k
50mV
–
AZ
+
+
–
ICL
FILTER
DIPLEXER
+
–
50
150k
1.2V BANDGAP
CAMP
TXENB
TXENI
TSDB
BG1
4
LTC1957-1/LTC1957-2
ADJUSTABLE
BSEL
CONTROL
RF PA
MUX
C
VPC
C
1.2V
ADJUSTABLE
400 A
g
m
PB
PA
1.8GHz/1.9GHz
PA
PB
1.2V
100
100
140k
110k
12
12
V
V
PCA
PCB
1957 BD
9
8
5